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
18 #include <linux/types.h>
19 #include <asm/byteorder.h>
24 * TA = transmitter address
25 * RA = receiver address
26 * DA = destination address
29 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
30 * -----------------------------------------------------------------
31 * 0 0 DA SA BSSID - IBSS/DLS
32 * 0 1 DA BSSID SA - AP -> STA
33 * 1 0 BSSID SA DA - AP <- STA
34 * 1 1 RA TA DA SA unspecified (WDS)
39 #define IEEE80211_FCTL_VERS 0x0003
40 #define IEEE80211_FCTL_FTYPE 0x000c
41 #define IEEE80211_FCTL_STYPE 0x00f0
42 #define IEEE80211_FCTL_TODS 0x0100
43 #define IEEE80211_FCTL_FROMDS 0x0200
44 #define IEEE80211_FCTL_MOREFRAGS 0x0400
45 #define IEEE80211_FCTL_RETRY 0x0800
46 #define IEEE80211_FCTL_PM 0x1000
47 #define IEEE80211_FCTL_MOREDATA 0x2000
48 #define IEEE80211_FCTL_PROTECTED 0x4000
49 #define IEEE80211_FCTL_ORDER 0x8000
50 #define IEEE80211_FCTL_CTL_EXT 0x0f00
52 #define IEEE80211_SCTL_FRAG 0x000F
53 #define IEEE80211_SCTL_SEQ 0xFFF0
55 #define IEEE80211_FTYPE_MGMT 0x0000
56 #define IEEE80211_FTYPE_CTL 0x0004
57 #define IEEE80211_FTYPE_DATA 0x0008
58 #define IEEE80211_FTYPE_EXT 0x000c
61 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
62 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
63 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
64 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
65 #define IEEE80211_STYPE_PROBE_REQ 0x0040
66 #define IEEE80211_STYPE_PROBE_RESP 0x0050
67 #define IEEE80211_STYPE_BEACON 0x0080
68 #define IEEE80211_STYPE_ATIM 0x0090
69 #define IEEE80211_STYPE_DISASSOC 0x00A0
70 #define IEEE80211_STYPE_AUTH 0x00B0
71 #define IEEE80211_STYPE_DEAUTH 0x00C0
72 #define IEEE80211_STYPE_ACTION 0x00D0
75 #define IEEE80211_STYPE_CTL_EXT 0x0060
76 #define IEEE80211_STYPE_BACK_REQ 0x0080
77 #define IEEE80211_STYPE_BACK 0x0090
78 #define IEEE80211_STYPE_PSPOLL 0x00A0
79 #define IEEE80211_STYPE_RTS 0x00B0
80 #define IEEE80211_STYPE_CTS 0x00C0
81 #define IEEE80211_STYPE_ACK 0x00D0
82 #define IEEE80211_STYPE_CFEND 0x00E0
83 #define IEEE80211_STYPE_CFENDACK 0x00F0
86 #define IEEE80211_STYPE_DATA 0x0000
87 #define IEEE80211_STYPE_DATA_CFACK 0x0010
88 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
89 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
90 #define IEEE80211_STYPE_NULLFUNC 0x0040
91 #define IEEE80211_STYPE_CFACK 0x0050
92 #define IEEE80211_STYPE_CFPOLL 0x0060
93 #define IEEE80211_STYPE_CFACKPOLL 0x0070
94 #define IEEE80211_STYPE_QOS_DATA 0x0080
95 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
96 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
97 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
98 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
99 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
100 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
101 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
103 /* extension, added by 802.11ad */
104 #define IEEE80211_STYPE_DMG_BEACON 0x0000
106 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
107 #define IEEE80211_CTL_EXT_POLL 0x2000
108 #define IEEE80211_CTL_EXT_SPR 0x3000
109 #define IEEE80211_CTL_EXT_GRANT 0x4000
110 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
111 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
112 #define IEEE80211_CTL_EXT_SSW 0x8000
113 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
114 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
117 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
118 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
119 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
121 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
123 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
126 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
128 return (sn1 + sn2) & IEEE80211_SN_MASK;
131 static inline u16 ieee80211_sn_inc(u16 sn)
133 return ieee80211_sn_add(sn, 1);
136 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
138 return (sn1 - sn2) & IEEE80211_SN_MASK;
141 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
142 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
144 /* miscellaneous IEEE 802.11 constants */
145 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
146 #define IEEE80211_MAX_RTS_THRESHOLD 2353
147 #define IEEE80211_MAX_AID 2007
148 #define IEEE80211_MAX_TIM_LEN 251
149 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
152 802.11e clarifies the figure in section 7.1.2. The frame body is
153 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
154 #define IEEE80211_MAX_DATA_LEN 2304
155 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
156 #define IEEE80211_MAX_FRAME_LEN 2352
158 #define IEEE80211_MAX_SSID_LEN 32
160 #define IEEE80211_MAX_MESH_ID_LEN 32
162 #define IEEE80211_NUM_TIDS 16
164 #define IEEE80211_QOS_CTL_LEN 2
166 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
168 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
170 #define IEEE80211_QOS_CTL_EOSP 0x0010
172 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
173 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
174 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
175 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
176 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
178 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
179 /* Mesh Control 802.11s */
180 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
182 /* Mesh Power Save Level */
183 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
184 /* Mesh Receiver Service Period Initiated */
185 #define IEEE80211_QOS_CTL_RSPI 0x0400
187 /* U-APSD queue for WMM IEs sent by AP */
188 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
189 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
191 /* U-APSD queues for WMM IEs sent by STA */
192 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
195 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
196 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
198 /* U-APSD max SP length for WMM IEs sent by STA */
199 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
203 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
204 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
206 #define IEEE80211_HT_CTL_LEN 4
208 struct ieee80211_hdr {
209 __le16 frame_control;
216 } __packed __aligned(2);
218 struct ieee80211_hdr_3addr {
219 __le16 frame_control;
225 } __packed __aligned(2);
227 struct ieee80211_qos_hdr {
228 __le16 frame_control;
235 } __packed __aligned(2);
238 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
239 * @fc: frame control bytes in little-endian byteorder
241 static inline int ieee80211_has_tods(__le16 fc)
243 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
247 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
248 * @fc: frame control bytes in little-endian byteorder
250 static inline int ieee80211_has_fromds(__le16 fc)
252 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
256 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
257 * @fc: frame control bytes in little-endian byteorder
259 static inline int ieee80211_has_a4(__le16 fc)
261 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
262 return (fc & tmp) == tmp;
266 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
267 * @fc: frame control bytes in little-endian byteorder
269 static inline int ieee80211_has_morefrags(__le16 fc)
271 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
275 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
276 * @fc: frame control bytes in little-endian byteorder
278 static inline int ieee80211_has_retry(__le16 fc)
280 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
284 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
285 * @fc: frame control bytes in little-endian byteorder
287 static inline int ieee80211_has_pm(__le16 fc)
289 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
293 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
294 * @fc: frame control bytes in little-endian byteorder
296 static inline int ieee80211_has_moredata(__le16 fc)
298 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
302 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
303 * @fc: frame control bytes in little-endian byteorder
305 static inline int ieee80211_has_protected(__le16 fc)
307 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
311 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
312 * @fc: frame control bytes in little-endian byteorder
314 static inline int ieee80211_has_order(__le16 fc)
316 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
320 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
321 * @fc: frame control bytes in little-endian byteorder
323 static inline int ieee80211_is_mgmt(__le16 fc)
325 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
326 cpu_to_le16(IEEE80211_FTYPE_MGMT);
330 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
331 * @fc: frame control bytes in little-endian byteorder
333 static inline int ieee80211_is_ctl(__le16 fc)
335 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
336 cpu_to_le16(IEEE80211_FTYPE_CTL);
340 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
341 * @fc: frame control bytes in little-endian byteorder
343 static inline int ieee80211_is_data(__le16 fc)
345 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
346 cpu_to_le16(IEEE80211_FTYPE_DATA);
350 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
351 * @fc: frame control bytes in little-endian byteorder
353 static inline int ieee80211_is_data_qos(__le16 fc)
356 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
357 * to check the one bit
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
360 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
364 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
365 * @fc: frame control bytes in little-endian byteorder
367 static inline int ieee80211_is_data_present(__le16 fc)
370 * mask with 0x40 and test that that bit is clear to only return true
371 * for the data-containing substypes.
373 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
374 cpu_to_le16(IEEE80211_FTYPE_DATA);
378 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
379 * @fc: frame control bytes in little-endian byteorder
381 static inline int ieee80211_is_assoc_req(__le16 fc)
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
384 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
388 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
389 * @fc: frame control bytes in little-endian byteorder
391 static inline int ieee80211_is_assoc_resp(__le16 fc)
393 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
394 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
398 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
399 * @fc: frame control bytes in little-endian byteorder
401 static inline int ieee80211_is_reassoc_req(__le16 fc)
403 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
404 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
408 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
409 * @fc: frame control bytes in little-endian byteorder
411 static inline int ieee80211_is_reassoc_resp(__le16 fc)
413 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
414 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
418 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
419 * @fc: frame control bytes in little-endian byteorder
421 static inline int ieee80211_is_probe_req(__le16 fc)
423 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
424 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
428 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
429 * @fc: frame control bytes in little-endian byteorder
431 static inline int ieee80211_is_probe_resp(__le16 fc)
433 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
434 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
438 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
439 * @fc: frame control bytes in little-endian byteorder
441 static inline int ieee80211_is_beacon(__le16 fc)
443 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
444 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
448 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
449 * @fc: frame control bytes in little-endian byteorder
451 static inline int ieee80211_is_atim(__le16 fc)
453 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
454 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
458 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
459 * @fc: frame control bytes in little-endian byteorder
461 static inline int ieee80211_is_disassoc(__le16 fc)
463 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
464 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
468 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
469 * @fc: frame control bytes in little-endian byteorder
471 static inline int ieee80211_is_auth(__le16 fc)
473 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
474 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
478 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
479 * @fc: frame control bytes in little-endian byteorder
481 static inline int ieee80211_is_deauth(__le16 fc)
483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
484 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
488 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
489 * @fc: frame control bytes in little-endian byteorder
491 static inline int ieee80211_is_action(__le16 fc)
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
498 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
499 * @fc: frame control bytes in little-endian byteorder
501 static inline int ieee80211_is_back_req(__le16 fc)
503 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
504 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
508 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
509 * @fc: frame control bytes in little-endian byteorder
511 static inline int ieee80211_is_back(__le16 fc)
513 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
514 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
518 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
519 * @fc: frame control bytes in little-endian byteorder
521 static inline int ieee80211_is_pspoll(__le16 fc)
523 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
524 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
528 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
529 * @fc: frame control bytes in little-endian byteorder
531 static inline int ieee80211_is_rts(__le16 fc)
533 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
534 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
538 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
539 * @fc: frame control bytes in little-endian byteorder
541 static inline int ieee80211_is_cts(__le16 fc)
543 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
544 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
548 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
549 * @fc: frame control bytes in little-endian byteorder
551 static inline int ieee80211_is_ack(__le16 fc)
553 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
554 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
558 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
559 * @fc: frame control bytes in little-endian byteorder
561 static inline int ieee80211_is_cfend(__le16 fc)
563 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
564 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
568 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
569 * @fc: frame control bytes in little-endian byteorder
571 static inline int ieee80211_is_cfendack(__le16 fc)
573 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
574 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
578 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
579 * @fc: frame control bytes in little-endian byteorder
581 static inline int ieee80211_is_nullfunc(__le16 fc)
583 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
584 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
588 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
589 * @fc: frame control bytes in little-endian byteorder
591 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
593 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
594 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
598 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
599 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
601 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
603 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
606 struct ieee80211s_hdr {
612 } __packed __aligned(2);
615 #define MESH_FLAGS_AE_A4 0x1
616 #define MESH_FLAGS_AE_A5_A6 0x2
617 #define MESH_FLAGS_AE 0x3
618 #define MESH_FLAGS_PS_DEEP 0x4
621 * enum ieee80211_preq_flags - mesh PREQ element flags
623 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
625 enum ieee80211_preq_flags {
626 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
630 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
632 * @IEEE80211_PREQ_TO_FLAG: target only subfield
633 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
635 enum ieee80211_preq_target_flags {
636 IEEE80211_PREQ_TO_FLAG = 1<<0,
637 IEEE80211_PREQ_USN_FLAG = 1<<2,
641 * struct ieee80211_quiet_ie
643 * This structure refers to "Quiet information element"
645 struct ieee80211_quiet_ie {
653 * struct ieee80211_msrment_ie
655 * This structure refers to "Measurement Request/Report information element"
657 struct ieee80211_msrment_ie {
665 * struct ieee80211_channel_sw_ie
667 * This structure refers to "Channel Switch Announcement information element"
669 struct ieee80211_channel_sw_ie {
676 * struct ieee80211_tim
678 * This structure refers to "Traffic Indication Map information element"
680 struct ieee80211_tim_ie {
684 /* variable size: 1 - 251 bytes */
689 * struct ieee80211_meshconf_ie
691 * This structure refers to "Mesh Configuration information element"
693 struct ieee80211_meshconf_ie {
704 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
706 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
707 * additional mesh peerings with other mesh STAs
708 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
709 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
711 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
712 * neighbors in deep sleep mode
714 enum mesh_config_capab_flags {
715 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
716 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
717 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
718 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
722 * struct ieee80211_rann_ie
724 * This structure refers to "Root Announcement information element"
726 struct ieee80211_rann_ie {
732 __le32 rann_interval;
736 enum ieee80211_rann_flags {
737 RANN_FLAG_IS_GATE = 1 << 0,
740 enum ieee80211_ht_chanwidth_values {
741 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
742 IEEE80211_HT_CHANWIDTH_ANY = 1,
746 * enum ieee80211_opmode_bits - VHT operating mode field bits
747 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
748 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
749 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
750 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
751 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
752 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
753 * (the NSS value is the value of this field + 1)
754 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
755 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
756 * using a beamforming steering matrix
758 enum ieee80211_vht_opmode_bits {
759 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
760 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
761 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
762 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
763 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
764 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
765 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
766 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
769 #define WLAN_SA_QUERY_TR_ID_LEN 2
771 struct ieee80211_mgmt {
772 __le16 frame_control;
781 __le16 auth_transaction;
783 /* possibly followed by Challenge text */
791 __le16 listen_interval;
792 /* followed by SSID and Supported rates */
794 } __packed assoc_req;
799 /* followed by Supported rates */
801 } __packed assoc_resp, reassoc_resp;
804 __le16 listen_interval;
806 /* followed by SSID and Supported rates */
808 } __packed reassoc_req;
816 /* followed by some of SSID, Supported rates,
817 * FH Params, DS Params, CF Params, IBSS Params, TIM */
821 /* only variable items: SSID, Supported rates */
823 } __packed probe_req;
828 /* followed by some of SSID, Supported rates,
829 * FH Params, DS Params, CF Params, IBSS Params */
831 } __packed probe_resp;
840 } __packed wme_action;
845 struct ieee80211_channel_sw_ie sw_elem;
846 } __packed chan_switch;
852 struct ieee80211_msrment_ie msr_elem;
853 } __packed measurement;
859 __le16 start_seq_num;
860 } __packed addba_req;
867 } __packed addba_resp;
876 } __packed self_prot;
880 } __packed mesh_action;
883 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
892 } __packed ht_notify_cw;
898 } __packed tdls_discover_resp;
902 } __packed vht_opmode_notif;
906 } __packed __aligned(2);
908 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
909 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
911 /* mgmt header + 1 byte category code */
912 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
915 /* Management MIC information element (IEEE 802.11w) */
916 struct ieee80211_mmie {
920 u8 sequence_number[6];
924 struct ieee80211_vendor_ie {
932 struct ieee80211_rts {
933 __le16 frame_control;
937 } __packed __aligned(2);
939 struct ieee80211_cts {
940 __le16 frame_control;
943 } __packed __aligned(2);
945 struct ieee80211_pspoll {
946 __le16 frame_control;
950 } __packed __aligned(2);
954 /* Link-id information element */
955 struct ieee80211_tdls_lnkie {
956 u8 ie_type; /* Link Identifier IE */
963 struct ieee80211_tdls_data {
975 } __packed setup_req;
981 } __packed setup_resp;
986 } __packed setup_cfm;
994 } __packed discover_req;
999 * Peer-to-Peer IE attribute related definitions.
1002 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1004 enum ieee80211_p2p_attr_id {
1005 IEEE80211_P2P_ATTR_STATUS = 0,
1006 IEEE80211_P2P_ATTR_MINOR_REASON,
1007 IEEE80211_P2P_ATTR_CAPABILITY,
1008 IEEE80211_P2P_ATTR_DEVICE_ID,
1009 IEEE80211_P2P_ATTR_GO_INTENT,
1010 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1011 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1012 IEEE80211_P2P_ATTR_GROUP_BSSID,
1013 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1014 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1015 IEEE80211_P2P_ATTR_MANAGABILITY,
1016 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1017 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1018 IEEE80211_P2P_ATTR_DEVICE_INFO,
1019 IEEE80211_P2P_ATTR_GROUP_INFO,
1020 IEEE80211_P2P_ATTR_GROUP_ID,
1021 IEEE80211_P2P_ATTR_INTERFACE,
1022 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1023 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1024 /* 19 - 220: Reserved */
1025 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1027 IEEE80211_P2P_ATTR_MAX
1031 * struct ieee80211_bar - HT Block Ack Request
1033 * This structure refers to "HT BlockAckReq" as
1034 * described in 802.11n draft section 7.2.1.7.1
1036 struct ieee80211_bar {
1037 __le16 frame_control;
1042 __le16 start_seq_num;
1045 /* 802.11 BAR control masks */
1046 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1047 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1048 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1049 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1050 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1052 #define IEEE80211_HT_MCS_MASK_LEN 10
1055 * struct ieee80211_mcs_info - MCS information
1057 * @rx_highest: highest supported RX rate. If set represents
1058 * the highest supported RX data rate in units of 1 Mbps.
1059 * If this field is 0 this value should not be used to
1060 * consider the highest RX data rate supported.
1061 * @tx_params: TX parameters
1063 struct ieee80211_mcs_info {
1064 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1070 /* 802.11n HT capability MSC set */
1071 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1072 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1073 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1074 /* value 0 == 1 stream etc */
1075 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1076 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1077 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1078 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1081 * 802.11n D5.0 20.3.5 / 20.6 says:
1082 * - indices 0 to 7 and 32 are single spatial stream
1083 * - 8 to 31 are multiple spatial streams using equal modulation
1084 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1085 * - remainder are multiple spatial streams using unequal modulation
1087 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1088 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1089 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1092 * struct ieee80211_ht_cap - HT capabilities
1094 * This structure is the "HT capabilities element" as
1095 * described in 802.11n D5.0 7.3.2.57
1097 struct ieee80211_ht_cap {
1099 u8 ampdu_params_info;
1101 /* 16 bytes MCS information */
1102 struct ieee80211_mcs_info mcs;
1104 __le16 extended_ht_cap_info;
1105 __le32 tx_BF_cap_info;
1106 u8 antenna_selection_info;
1109 /* 802.11n HT capabilities masks (for cap_info) */
1110 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1111 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1112 #define IEEE80211_HT_CAP_SM_PS 0x000C
1113 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1114 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1115 #define IEEE80211_HT_CAP_SGI_20 0x0020
1116 #define IEEE80211_HT_CAP_SGI_40 0x0040
1117 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1118 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1119 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1120 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1121 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1122 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1123 #define IEEE80211_HT_CAP_RESERVED 0x2000
1124 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1125 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1127 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1128 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1129 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1130 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1131 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1132 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1133 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1134 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1136 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1137 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1138 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1139 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1142 * Maximum length of AMPDU that the STA can receive.
1143 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1145 enum ieee80211_max_ampdu_length_exp {
1146 IEEE80211_HT_MAX_AMPDU_8K = 0,
1147 IEEE80211_HT_MAX_AMPDU_16K = 1,
1148 IEEE80211_HT_MAX_AMPDU_32K = 2,
1149 IEEE80211_HT_MAX_AMPDU_64K = 3
1152 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1154 /* Minimum MPDU start spacing */
1155 enum ieee80211_min_mpdu_spacing {
1156 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1157 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1158 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1159 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1160 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1161 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1162 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1163 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1167 * struct ieee80211_ht_operation - HT operation IE
1169 * This structure is the "HT operation element" as
1170 * described in 802.11n-2009 7.3.2.57
1172 struct ieee80211_ht_operation {
1175 __le16 operation_mode;
1181 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1182 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1183 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1184 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1185 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1186 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1188 /* for operation_mode */
1189 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1190 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1191 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1192 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1193 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1194 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1195 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1197 /* for stbc_param */
1198 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1199 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1200 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1201 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1202 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1203 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1206 /* block-ack parameters */
1207 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1208 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1209 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1210 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1211 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1214 * A-PMDU buffer sizes
1215 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1217 #define IEEE80211_MIN_AMPDU_BUF 0x8
1218 #define IEEE80211_MAX_AMPDU_BUF 0x40
1221 /* Spatial Multiplexing Power Save Modes (for capability) */
1222 #define WLAN_HT_CAP_SM_PS_STATIC 0
1223 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1224 #define WLAN_HT_CAP_SM_PS_INVALID 2
1225 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1227 /* for SM power control field lower two bits */
1228 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1229 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1230 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1233 * struct ieee80211_vht_mcs_info - VHT MCS information
1234 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1235 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1236 * STA can receive. Rate expressed in units of 1 Mbps.
1237 * If this field is 0 this value should not be used to
1238 * consider the highest RX data rate supported.
1239 * The top 3 bits of this field are reserved.
1240 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1241 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1242 * STA can transmit. Rate expressed in units of 1 Mbps.
1243 * If this field is 0 this value should not be used to
1244 * consider the highest TX data rate supported.
1245 * The top 3 bits of this field are reserved.
1247 struct ieee80211_vht_mcs_info {
1255 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1256 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1258 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1259 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1260 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1262 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1263 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1264 * both split into 8 subfields by number of streams. These values indicate
1265 * which MCSes are supported for the number of streams the value appears
1268 enum ieee80211_vht_mcs_support {
1269 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1270 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1271 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1272 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1276 * struct ieee80211_vht_cap - VHT capabilities
1278 * This structure is the "VHT capabilities element" as
1279 * described in 802.11ac D3.0 8.4.2.160
1280 * @vht_cap_info: VHT capability info
1281 * @supp_mcs: VHT MCS supported rates
1283 struct ieee80211_vht_cap {
1284 __le32 vht_cap_info;
1285 struct ieee80211_vht_mcs_info supp_mcs;
1289 * enum ieee80211_vht_chanwidth - VHT channel width
1290 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1291 * determine the channel width (20 or 40 MHz)
1292 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1293 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1294 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1296 enum ieee80211_vht_chanwidth {
1297 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1298 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1299 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1300 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1304 * struct ieee80211_vht_operation - VHT operation IE
1306 * This structure is the "VHT operation element" as
1307 * described in 802.11ac D3.0 8.4.2.161
1308 * @chan_width: Operating channel width
1309 * @center_freq_seg1_idx: center freq segment 1 index
1310 * @center_freq_seg2_idx: center freq segment 2 index
1311 * @basic_mcs_set: VHT Basic MCS rate set
1313 struct ieee80211_vht_operation {
1315 u8 center_freq_seg1_idx;
1316 u8 center_freq_seg2_idx;
1317 __le16 basic_mcs_set;
1321 /* 802.11ac VHT Capabilities */
1322 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1323 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1324 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1325 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1326 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1327 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1328 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1329 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1330 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1331 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1332 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1333 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1334 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1335 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1336 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1337 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1338 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1339 #define IEEE80211_VHT_CAP_SOUNDING_DIMENTION_MAX 0x00030000
1340 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1341 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1342 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1343 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1344 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1345 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1346 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1347 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1348 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1349 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1350 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1352 /* Authentication algorithms */
1353 #define WLAN_AUTH_OPEN 0
1354 #define WLAN_AUTH_SHARED_KEY 1
1355 #define WLAN_AUTH_FT 2
1356 #define WLAN_AUTH_SAE 3
1357 #define WLAN_AUTH_LEAP 128
1359 #define WLAN_AUTH_CHALLENGE_LEN 128
1361 #define WLAN_CAPABILITY_ESS (1<<0)
1362 #define WLAN_CAPABILITY_IBSS (1<<1)
1365 * A mesh STA sets the ESS and IBSS capability bits to zero.
1366 * however, this holds true for p2p probe responses (in the p2p_find
1369 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1370 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1372 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1373 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1374 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1375 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1376 #define WLAN_CAPABILITY_PBCC (1<<6)
1377 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1380 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1381 #define WLAN_CAPABILITY_QOS (1<<9)
1382 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1383 #define WLAN_CAPABILITY_APSD (1<<11)
1384 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1385 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1386 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1387 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1389 /* DMG (60gHz) 802.11ad */
1390 /* type - bits 0..1 */
1391 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1392 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1393 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1394 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1396 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1397 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1398 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1399 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1401 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1402 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1405 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1406 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1407 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1409 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1410 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1411 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1413 /* 802.11g ERP information element */
1414 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1415 #define WLAN_ERP_USE_PROTECTION (1<<1)
1416 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1418 /* WLAN_ERP_BARKER_PREAMBLE values */
1420 WLAN_ERP_PREAMBLE_SHORT = 0,
1421 WLAN_ERP_PREAMBLE_LONG = 1,
1424 /* Band ID, 802.11ad #8.4.1.45 */
1426 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1427 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1428 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1429 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1430 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1431 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1435 enum ieee80211_statuscode {
1436 WLAN_STATUS_SUCCESS = 0,
1437 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1438 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1439 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1440 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1441 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1442 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1443 WLAN_STATUS_CHALLENGE_FAIL = 15,
1444 WLAN_STATUS_AUTH_TIMEOUT = 16,
1445 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1446 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1448 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1449 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1450 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1452 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1453 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1454 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1456 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1457 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1459 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1460 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1462 WLAN_STATUS_INVALID_IE = 40,
1463 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1464 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1465 WLAN_STATUS_INVALID_AKMP = 43,
1466 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1467 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1468 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1470 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1471 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1472 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1473 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1474 WLAN_STATUS_REQUEST_DECLINED = 37,
1475 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1476 WLAN_STATUS_CHANGE_TSPEC = 39,
1477 WLAN_STATUS_WAIT_TS_DELAY = 47,
1478 WLAN_STATUS_NO_DIRECT_LINK = 48,
1479 WLAN_STATUS_STA_NOT_PRESENT = 49,
1480 WLAN_STATUS_STA_NOT_QSTA = 50,
1482 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1483 WLAN_STATUS_FCG_NOT_SUPP = 78,
1484 WLAN_STATUS_STA_NO_TBTT = 78,
1486 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1487 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1488 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1489 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1490 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1491 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1492 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1493 WLAN_STATUS_REJECT_DSE_BAND = 96,
1494 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1495 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1500 enum ieee80211_reasoncode {
1501 WLAN_REASON_UNSPECIFIED = 1,
1502 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1503 WLAN_REASON_DEAUTH_LEAVING = 3,
1504 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1505 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1506 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1507 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1508 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1509 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1511 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1512 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1514 WLAN_REASON_INVALID_IE = 13,
1515 WLAN_REASON_MIC_FAILURE = 14,
1516 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1517 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1518 WLAN_REASON_IE_DIFFERENT = 17,
1519 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1520 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1521 WLAN_REASON_INVALID_AKMP = 20,
1522 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1523 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1524 WLAN_REASON_IEEE8021X_FAILED = 23,
1525 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1527 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1528 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1529 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1530 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1531 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1532 WLAN_REASON_QSTA_NOT_USE = 37,
1533 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1534 WLAN_REASON_QSTA_TIMEOUT = 39,
1535 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1537 WLAN_REASON_MESH_PEER_CANCELED = 52,
1538 WLAN_REASON_MESH_MAX_PEERS = 53,
1539 WLAN_REASON_MESH_CONFIG = 54,
1540 WLAN_REASON_MESH_CLOSE = 55,
1541 WLAN_REASON_MESH_MAX_RETRIES = 56,
1542 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1543 WLAN_REASON_MESH_INVALID_GTK = 58,
1544 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1545 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1546 WLAN_REASON_MESH_PATH_ERROR = 61,
1547 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1548 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1549 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1550 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1551 WLAN_REASON_MESH_CHAN = 66,
1555 /* Information Element IDs */
1556 enum ieee80211_eid {
1558 WLAN_EID_SUPP_RATES = 1,
1559 WLAN_EID_FH_PARAMS = 2,
1560 WLAN_EID_DS_PARAMS = 3,
1561 WLAN_EID_CF_PARAMS = 4,
1563 WLAN_EID_IBSS_PARAMS = 6,
1564 WLAN_EID_CHALLENGE = 16,
1566 WLAN_EID_COUNTRY = 7,
1567 WLAN_EID_HP_PARAMS = 8,
1568 WLAN_EID_HP_TABLE = 9,
1569 WLAN_EID_REQUEST = 10,
1571 WLAN_EID_QBSS_LOAD = 11,
1572 WLAN_EID_EDCA_PARAM_SET = 12,
1573 WLAN_EID_TSPEC = 13,
1574 WLAN_EID_TCLAS = 14,
1575 WLAN_EID_SCHEDULE = 15,
1576 WLAN_EID_TS_DELAY = 43,
1577 WLAN_EID_TCLAS_PROCESSING = 44,
1578 WLAN_EID_QOS_CAPA = 46,
1580 WLAN_EID_LINK_ID = 101,
1582 WLAN_EID_MESH_CONFIG = 113,
1583 WLAN_EID_MESH_ID = 114,
1584 WLAN_EID_LINK_METRIC_REPORT = 115,
1585 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1586 WLAN_EID_PEER_MGMT = 117,
1587 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1588 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1589 WLAN_EID_BEACON_TIMING = 120,
1590 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1591 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1592 WLAN_EID_MCCAOP_ADVERT = 123,
1593 WLAN_EID_MCCAOP_TEARDOWN = 124,
1594 WLAN_EID_GANN = 125,
1595 WLAN_EID_RANN = 126,
1596 WLAN_EID_PREQ = 130,
1597 WLAN_EID_PREP = 131,
1598 WLAN_EID_PERR = 132,
1600 WLAN_EID_PXUC = 138,
1601 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1604 WLAN_EID_PWR_CONSTRAINT = 32,
1605 WLAN_EID_PWR_CAPABILITY = 33,
1606 WLAN_EID_TPC_REQUEST = 34,
1607 WLAN_EID_TPC_REPORT = 35,
1608 WLAN_EID_SUPPORTED_CHANNELS = 36,
1609 WLAN_EID_CHANNEL_SWITCH = 37,
1610 WLAN_EID_MEASURE_REQUEST = 38,
1611 WLAN_EID_MEASURE_REPORT = 39,
1612 WLAN_EID_QUIET = 40,
1613 WLAN_EID_IBSS_DFS = 41,
1615 WLAN_EID_ERP_INFO = 42,
1616 WLAN_EID_EXT_SUPP_RATES = 50,
1618 WLAN_EID_HT_CAPABILITY = 45,
1619 WLAN_EID_HT_OPERATION = 61,
1623 WLAN_EID_VENDOR_SPECIFIC = 221,
1624 WLAN_EID_QOS_PARAMETER = 222,
1626 WLAN_EID_AP_CHAN_REPORT = 51,
1627 WLAN_EID_NEIGHBOR_REPORT = 52,
1629 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1630 WLAN_EID_ANTENNA_INFO = 64,
1632 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1633 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1634 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1635 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1636 WLAN_EID_MULTIPLE_BSSID = 71,
1637 WLAN_EID_BSS_COEX_2040 = 72,
1638 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1639 WLAN_EID_EXT_CAPABILITY = 127,
1641 WLAN_EID_MOBILITY_DOMAIN = 54,
1642 WLAN_EID_FAST_BSS_TRANSITION = 55,
1643 WLAN_EID_TIMEOUT_INTERVAL = 56,
1644 WLAN_EID_RIC_DATA = 57,
1645 WLAN_EID_RIC_DESCRIPTOR = 75,
1647 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1648 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1649 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1651 WLAN_EID_VHT_CAPABILITY = 191,
1652 WLAN_EID_VHT_OPERATION = 192,
1653 WLAN_EID_OPMODE_NOTIF = 199,
1656 WLAN_EID_NON_TX_BSSID_CAP = 83,
1657 WLAN_EID_WAKEUP_SCHEDULE = 143,
1658 WLAN_EID_EXT_SCHEDULE = 144,
1659 WLAN_EID_STA_AVAILABILITY = 145,
1660 WLAN_EID_DMG_TSPEC = 146,
1661 WLAN_EID_DMG_AT = 147,
1662 WLAN_EID_DMG_CAP = 148,
1663 WLAN_EID_DMG_OPERATION = 151,
1664 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1665 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1666 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1667 WLAN_EID_AWAKE_WINDOW = 157,
1668 WLAN_EID_MULTI_BAND = 158,
1669 WLAN_EID_ADDBA_EXT = 159,
1670 WLAN_EID_NEXT_PCP_LIST = 160,
1671 WLAN_EID_PCP_HANDOVER = 161,
1672 WLAN_EID_DMG_LINK_MARGIN = 162,
1673 WLAN_EID_SWITCHING_STREAM = 163,
1674 WLAN_EID_SESSION_TRANSITION = 164,
1675 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1676 WLAN_EID_CLUSTER_REPORT = 166,
1677 WLAN_EID_RELAY_CAP = 167,
1678 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1679 WLAN_EID_BEAM_LINK_MAINT = 169,
1680 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1681 WLAN_EID_U_PID = 171,
1682 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1683 WLAN_EID_QUIET_PERIOD_REQ = 175,
1684 WLAN_EID_QUIET_PERIOD_RESP = 177,
1685 WLAN_EID_EPAC_POLICY = 182,
1686 WLAN_EID_CLISTER_TIME_OFF = 183,
1687 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1690 /* Action category code */
1691 enum ieee80211_category {
1692 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1693 WLAN_CATEGORY_QOS = 1,
1694 WLAN_CATEGORY_DLS = 2,
1695 WLAN_CATEGORY_BACK = 3,
1696 WLAN_CATEGORY_PUBLIC = 4,
1697 WLAN_CATEGORY_HT = 7,
1698 WLAN_CATEGORY_SA_QUERY = 8,
1699 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1700 WLAN_CATEGORY_TDLS = 12,
1701 WLAN_CATEGORY_MESH_ACTION = 13,
1702 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1703 WLAN_CATEGORY_SELF_PROTECTED = 15,
1704 WLAN_CATEGORY_DMG = 16,
1705 WLAN_CATEGORY_WMM = 17,
1706 WLAN_CATEGORY_FST = 18,
1707 WLAN_CATEGORY_UNPROT_DMG = 20,
1708 WLAN_CATEGORY_VHT = 21,
1709 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1710 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1713 /* SPECTRUM_MGMT action code */
1714 enum ieee80211_spectrum_mgmt_actioncode {
1715 WLAN_ACTION_SPCT_MSR_REQ = 0,
1716 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1717 WLAN_ACTION_SPCT_TPC_REQ = 2,
1718 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1719 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1722 /* HT action codes */
1723 enum ieee80211_ht_actioncode {
1724 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1725 WLAN_HT_ACTION_SMPS = 1,
1726 WLAN_HT_ACTION_PSMP = 2,
1727 WLAN_HT_ACTION_PCO_PHASE = 3,
1728 WLAN_HT_ACTION_CSI = 4,
1729 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1730 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1731 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1734 /* VHT action codes */
1735 enum ieee80211_vht_actioncode {
1736 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1737 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1738 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1741 /* Self Protected Action codes */
1742 enum ieee80211_self_protected_actioncode {
1743 WLAN_SP_RESERVED = 0,
1744 WLAN_SP_MESH_PEERING_OPEN = 1,
1745 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1746 WLAN_SP_MESH_PEERING_CLOSE = 3,
1747 WLAN_SP_MGK_INFORM = 4,
1748 WLAN_SP_MGK_ACK = 5,
1751 /* Mesh action codes */
1752 enum ieee80211_mesh_actioncode {
1753 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1754 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1755 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1756 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1757 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1758 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1759 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1760 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1761 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1762 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1763 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1766 /* Security key length */
1767 enum ieee80211_key_len {
1768 WLAN_KEY_LEN_WEP40 = 5,
1769 WLAN_KEY_LEN_WEP104 = 13,
1770 WLAN_KEY_LEN_CCMP = 16,
1771 WLAN_KEY_LEN_TKIP = 32,
1772 WLAN_KEY_LEN_AES_CMAC = 16,
1775 /* Public action codes */
1776 enum ieee80211_pub_actioncode {
1777 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1780 /* TDLS action codes */
1781 enum ieee80211_tdls_actioncode {
1782 WLAN_TDLS_SETUP_REQUEST = 0,
1783 WLAN_TDLS_SETUP_RESPONSE = 1,
1784 WLAN_TDLS_SETUP_CONFIRM = 2,
1785 WLAN_TDLS_TEARDOWN = 3,
1786 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1787 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1788 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1789 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1790 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1791 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1792 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1796 * TDLS capabililites to be enabled in the 5th byte of the
1797 * @WLAN_EID_EXT_CAPABILITY information element
1799 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1800 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1802 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1804 /* TDLS specific payload type in the LLC/SNAP header */
1805 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1808 * enum - mesh synchronization method identifier
1810 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1811 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1812 * that will be specified in a vendor specific information element
1815 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1816 IEEE80211_SYNC_METHOD_VENDOR = 255,
1820 * enum - mesh path selection protocol identifier
1822 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1823 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1824 * be specified in a vendor specific information element
1827 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1828 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1832 * enum - mesh path selection metric identifier
1834 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1835 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1836 * specified in a vendor specific information element
1839 IEEE80211_PATH_METRIC_AIRTIME = 1,
1840 IEEE80211_PATH_METRIC_VENDOR = 255,
1844 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1846 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1848 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1849 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1851 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1852 * the proactive PREQ with proactive PREP subfield set to 0
1853 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1854 * supports the proactive PREQ with proactive PREP subfield set to 1
1855 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1856 * the proactive RANN
1858 enum ieee80211_root_mode_identifier {
1859 IEEE80211_ROOTMODE_NO_ROOT = 0,
1860 IEEE80211_ROOTMODE_ROOT = 1,
1861 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1862 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1863 IEEE80211_PROACTIVE_RANN = 4,
1867 * IEEE 802.11-2007 7.3.2.9 Country information element
1869 * Minimum length is 8 octets, ie len must be evenly
1873 /* Although the spec says 8 I'm seeing 6 in practice */
1874 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1876 /* The Country String field of the element shall be 3 octets in length */
1877 #define IEEE80211_COUNTRY_STRING_LEN 3
1880 * For regulatory extension stuff see IEEE 802.11-2007
1881 * Annex I (page 1141) and Annex J (page 1147). Also
1884 * When dot11RegulatoryClassesRequired is true and the
1885 * first_channel/reg_extension_id is >= 201 then the IE
1886 * compromises of the 'ext' struct represented below:
1888 * - Regulatory extension ID - when generating IE this just needs
1889 * to be monotonically increasing for each triplet passed in
1891 * - Regulatory class - index into set of rules
1892 * - Coverage class - index into air propagation time (Table 7-27),
1893 * in microseconds, you can compute the air propagation time from
1894 * the index by multiplying by 3, so index 10 yields a propagation
1895 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1896 * yet. A value of 0 inicates air propagation of <= 1 us.
1898 * See also Table I.2 for Emission limit sets and table
1899 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1900 * a reg_class to an emission limit set and behavior limit set.
1902 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1905 * Channels numbers in the IE must be monotonically increasing
1906 * if dot11RegulatoryClassesRequired is not true.
1908 * If dot11RegulatoryClassesRequired is true consecutive
1909 * subband triplets following a regulatory triplet shall
1910 * have monotonically increasing first_channel number fields.
1912 * Channel numbers shall not overlap.
1914 * Note that max_power is signed.
1916 struct ieee80211_country_ie_triplet {
1924 u8 reg_extension_id;
1931 enum ieee80211_timeout_interval_type {
1932 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1933 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1934 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1937 /* BACK action code */
1938 enum ieee80211_back_actioncode {
1939 WLAN_ACTION_ADDBA_REQ = 0,
1940 WLAN_ACTION_ADDBA_RESP = 1,
1941 WLAN_ACTION_DELBA = 2,
1944 /* BACK (block-ack) parties */
1945 enum ieee80211_back_parties {
1946 WLAN_BACK_RECIPIENT = 0,
1947 WLAN_BACK_INITIATOR = 1,
1950 /* SA Query action */
1951 enum ieee80211_sa_query_action {
1952 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1953 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1957 /* cipher suite selectors */
1958 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1959 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1960 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1961 /* reserved: 0x000FAC03 */
1962 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1963 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1964 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1965 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
1967 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
1969 /* AKM suite selectors */
1970 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1971 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1972 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
1973 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
1974 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
1975 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1976 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1978 #define WLAN_MAX_KEY_LEN 32
1980 #define WLAN_PMKID_LEN 16
1982 #define WLAN_OUI_WFA 0x506f9a
1983 #define WLAN_OUI_TYPE_WFA_P2P 9
1984 #define WLAN_OUI_MICROSOFT 0x0050f2
1985 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
1986 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
1987 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
1990 * WMM/802.11e Tspec Element
1992 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1993 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1995 enum ieee80211_tspec_status_code {
1996 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1997 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2000 struct ieee80211_tspec_ie {
2009 __le16 nominal_msdu;
2011 __le32 min_service_int;
2012 __le32 max_service_int;
2013 __le32 inactivity_int;
2014 __le32 suspension_int;
2015 __le32 service_start_time;
2016 __le32 min_data_rate;
2017 __le32 mean_data_rate;
2018 __le32 peak_data_rate;
2019 __le32 max_burst_size;
2021 __le32 min_phy_rate;
2027 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2030 * The qos ctrl bytes come after the frame_control, duration, seq_num
2031 * and 3 or 4 addresses of length ETH_ALEN.
2032 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2033 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2035 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2037 if (ieee80211_has_a4(hdr->frame_control))
2038 return (u8 *)hdr + 30;
2040 return (u8 *)hdr + 24;
2044 * ieee80211_get_SA - get pointer to SA
2047 * Given an 802.11 frame, this function returns the offset
2048 * to the source address (SA). It does not verify that the
2049 * header is long enough to contain the address, and the
2050 * header must be long enough to contain the frame control
2053 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2055 if (ieee80211_has_a4(hdr->frame_control))
2057 if (ieee80211_has_fromds(hdr->frame_control))
2063 * ieee80211_get_DA - get pointer to DA
2066 * Given an 802.11 frame, this function returns the offset
2067 * to the destination address (DA). It does not verify that
2068 * the header is long enough to contain the address, and the
2069 * header must be long enough to contain the frame control
2072 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2074 if (ieee80211_has_tods(hdr->frame_control))
2081 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2082 * @hdr: the frame (buffer must include at least the first octet of payload)
2084 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2086 if (ieee80211_is_disassoc(hdr->frame_control) ||
2087 ieee80211_is_deauth(hdr->frame_control))
2090 if (ieee80211_is_action(hdr->frame_control)) {
2094 * Action frames, excluding Public Action frames, are Robust
2095 * Management Frames. However, if we are looking at a Protected
2096 * frame, skip the check since the data may be encrypted and
2097 * the frame has already been found to be a Robust Management
2098 * Frame (by the other end).
2100 if (ieee80211_has_protected(hdr->frame_control))
2102 category = ((u8 *) hdr) + 24;
2103 return *category != WLAN_CATEGORY_PUBLIC &&
2104 *category != WLAN_CATEGORY_HT &&
2105 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2106 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2113 * ieee80211_is_public_action - check if frame is a public action frame
2115 * @len: length of the frame
2117 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2120 struct ieee80211_mgmt *mgmt = (void *)hdr;
2122 if (len < IEEE80211_MIN_ACTION_SIZE)
2124 if (!ieee80211_is_action(hdr->frame_control))
2126 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2130 * ieee80211_dsss_chan_to_freq - get channel center frequency
2131 * @channel: the DSSS channel
2133 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2134 * Ref IEEE 802.11-2007 section 15.6
2136 static inline int ieee80211_dsss_chan_to_freq(int channel)
2138 if ((channel > 0) && (channel < 14))
2139 return 2407 + (channel * 5);
2140 else if (channel == 14)
2147 * ieee80211_freq_to_dsss_chan - get channel
2148 * @freq: the frequency
2150 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2151 * Ref IEEE 802.11-2007 section 15.6
2153 * This routine selects the channel with the closest center frequency.
2155 static inline int ieee80211_freq_to_dsss_chan(int freq)
2157 if ((freq >= 2410) && (freq < 2475))
2158 return (freq - 2405) / 5;
2159 else if ((freq >= 2482) && (freq < 2487))
2166 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2169 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2175 * ieee80211_check_tim - check if AID bit is set in TIM
2177 * @tim_len: length of the TIM IE
2178 * @aid: the AID to look for
2180 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2181 u8 tim_len, u16 aid)
2184 u8 index, indexn1, indexn2;
2186 if (unlikely(!tim || tim_len < sizeof(*tim)))
2191 mask = 1 << (aid & 7);
2193 indexn1 = tim->bitmap_ctrl & 0xfe;
2194 indexn2 = tim_len + indexn1 - 4;
2196 if (index < indexn1 || index > indexn2)
2201 return !!(tim->virtual_map[index] & mask);
2204 #endif /* LINUX_IEEE80211_H */