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
51 #define IEEE80211_SCTL_FRAG 0x000F
52 #define IEEE80211_SCTL_SEQ 0xFFF0
54 #define IEEE80211_FTYPE_MGMT 0x0000
55 #define IEEE80211_FTYPE_CTL 0x0004
56 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
60 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
61 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
62 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
63 #define IEEE80211_STYPE_PROBE_REQ 0x0040
64 #define IEEE80211_STYPE_PROBE_RESP 0x0050
65 #define IEEE80211_STYPE_BEACON 0x0080
66 #define IEEE80211_STYPE_ATIM 0x0090
67 #define IEEE80211_STYPE_DISASSOC 0x00A0
68 #define IEEE80211_STYPE_AUTH 0x00B0
69 #define IEEE80211_STYPE_DEAUTH 0x00C0
70 #define IEEE80211_STYPE_ACTION 0x00D0
73 #define IEEE80211_STYPE_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
101 /* miscellaneous IEEE 802.11 constants */
102 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
103 #define IEEE80211_MAX_RTS_THRESHOLD 2353
104 #define IEEE80211_MAX_AID 2007
105 #define IEEE80211_MAX_TIM_LEN 251
106 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
109 802.11e clarifies the figure in section 7.1.2. The frame body is
110 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
111 #define IEEE80211_MAX_DATA_LEN 2304
112 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
113 #define IEEE80211_MAX_FRAME_LEN 2352
115 #define IEEE80211_MAX_SSID_LEN 32
117 #define IEEE80211_MAX_MESH_ID_LEN 32
119 #define IEEE80211_QOS_CTL_LEN 2
121 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
123 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
125 #define IEEE80211_QOS_CTL_EOSP 0x0010
127 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
128 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
129 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
130 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
132 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
133 /* Mesh Control 802.11s */
134 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
136 /* U-APSD queue for WMM IEs sent by AP */
137 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
138 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
140 /* U-APSD queues for WMM IEs sent by STA */
141 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
142 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
143 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
144 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
145 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
147 /* U-APSD max SP length for WMM IEs sent by STA */
148 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
149 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
150 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
151 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
152 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
153 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
155 #define IEEE80211_HT_CTL_LEN 4
157 struct ieee80211_hdr {
158 __le16 frame_control;
165 } __attribute__ ((packed));
167 struct ieee80211_hdr_3addr {
168 __le16 frame_control;
174 } __attribute__ ((packed));
176 struct ieee80211_qos_hdr {
177 __le16 frame_control;
184 } __attribute__ ((packed));
187 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
188 * @fc: frame control bytes in little-endian byteorder
190 static inline int ieee80211_has_tods(__le16 fc)
192 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
196 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
197 * @fc: frame control bytes in little-endian byteorder
199 static inline int ieee80211_has_fromds(__le16 fc)
201 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
205 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
206 * @fc: frame control bytes in little-endian byteorder
208 static inline int ieee80211_has_a4(__le16 fc)
210 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
211 return (fc & tmp) == tmp;
215 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
216 * @fc: frame control bytes in little-endian byteorder
218 static inline int ieee80211_has_morefrags(__le16 fc)
220 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
224 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
225 * @fc: frame control bytes in little-endian byteorder
227 static inline int ieee80211_has_retry(__le16 fc)
229 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
233 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
234 * @fc: frame control bytes in little-endian byteorder
236 static inline int ieee80211_has_pm(__le16 fc)
238 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
242 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
243 * @fc: frame control bytes in little-endian byteorder
245 static inline int ieee80211_has_moredata(__le16 fc)
247 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
251 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
252 * @fc: frame control bytes in little-endian byteorder
254 static inline int ieee80211_has_protected(__le16 fc)
256 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
260 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
261 * @fc: frame control bytes in little-endian byteorder
263 static inline int ieee80211_has_order(__le16 fc)
265 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
269 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
270 * @fc: frame control bytes in little-endian byteorder
272 static inline int ieee80211_is_mgmt(__le16 fc)
274 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
275 cpu_to_le16(IEEE80211_FTYPE_MGMT);
279 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
280 * @fc: frame control bytes in little-endian byteorder
282 static inline int ieee80211_is_ctl(__le16 fc)
284 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
285 cpu_to_le16(IEEE80211_FTYPE_CTL);
289 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
290 * @fc: frame control bytes in little-endian byteorder
292 static inline int ieee80211_is_data(__le16 fc)
294 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
295 cpu_to_le16(IEEE80211_FTYPE_DATA);
299 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
300 * @fc: frame control bytes in little-endian byteorder
302 static inline int ieee80211_is_data_qos(__le16 fc)
305 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
306 * to check the one bit
308 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
309 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
313 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
314 * @fc: frame control bytes in little-endian byteorder
316 static inline int ieee80211_is_data_present(__le16 fc)
319 * mask with 0x40 and test that that bit is clear to only return true
320 * for the data-containing substypes.
322 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
323 cpu_to_le16(IEEE80211_FTYPE_DATA);
327 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
328 * @fc: frame control bytes in little-endian byteorder
330 static inline int ieee80211_is_assoc_req(__le16 fc)
332 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
333 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
337 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
338 * @fc: frame control bytes in little-endian byteorder
340 static inline int ieee80211_is_assoc_resp(__le16 fc)
342 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
343 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
347 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
348 * @fc: frame control bytes in little-endian byteorder
350 static inline int ieee80211_is_reassoc_req(__le16 fc)
352 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
353 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
357 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
358 * @fc: frame control bytes in little-endian byteorder
360 static inline int ieee80211_is_reassoc_resp(__le16 fc)
362 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
363 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
367 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
368 * @fc: frame control bytes in little-endian byteorder
370 static inline int ieee80211_is_probe_req(__le16 fc)
372 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
373 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
377 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
378 * @fc: frame control bytes in little-endian byteorder
380 static inline int ieee80211_is_probe_resp(__le16 fc)
382 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
383 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
387 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
388 * @fc: frame control bytes in little-endian byteorder
390 static inline int ieee80211_is_beacon(__le16 fc)
392 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
393 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
397 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
398 * @fc: frame control bytes in little-endian byteorder
400 static inline int ieee80211_is_atim(__le16 fc)
402 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
403 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
407 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
408 * @fc: frame control bytes in little-endian byteorder
410 static inline int ieee80211_is_disassoc(__le16 fc)
412 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
413 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
417 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
418 * @fc: frame control bytes in little-endian byteorder
420 static inline int ieee80211_is_auth(__le16 fc)
422 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
423 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
427 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
428 * @fc: frame control bytes in little-endian byteorder
430 static inline int ieee80211_is_deauth(__le16 fc)
432 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
433 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
437 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
438 * @fc: frame control bytes in little-endian byteorder
440 static inline int ieee80211_is_action(__le16 fc)
442 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
443 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
447 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
448 * @fc: frame control bytes in little-endian byteorder
450 static inline int ieee80211_is_back_req(__le16 fc)
452 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
453 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
457 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
458 * @fc: frame control bytes in little-endian byteorder
460 static inline int ieee80211_is_back(__le16 fc)
462 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
463 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
467 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
468 * @fc: frame control bytes in little-endian byteorder
470 static inline int ieee80211_is_pspoll(__le16 fc)
472 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
473 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
477 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
478 * @fc: frame control bytes in little-endian byteorder
480 static inline int ieee80211_is_rts(__le16 fc)
482 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
483 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
487 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
488 * @fc: frame control bytes in little-endian byteorder
490 static inline int ieee80211_is_cts(__le16 fc)
492 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
493 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
497 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
498 * @fc: frame control bytes in little-endian byteorder
500 static inline int ieee80211_is_ack(__le16 fc)
502 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
503 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
507 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
508 * @fc: frame control bytes in little-endian byteorder
510 static inline int ieee80211_is_cfend(__le16 fc)
512 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
513 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
517 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
518 * @fc: frame control bytes in little-endian byteorder
520 static inline int ieee80211_is_cfendack(__le16 fc)
522 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
523 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
527 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
528 * @fc: frame control bytes in little-endian byteorder
530 static inline int ieee80211_is_nullfunc(__le16 fc)
532 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
533 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
537 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
538 * @fc: frame control bytes in little-endian byteorder
540 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
542 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
543 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
546 struct ieee80211s_hdr {
552 } __attribute__ ((packed));
555 #define MESH_FLAGS_AE_A4 0x1
556 #define MESH_FLAGS_AE_A5_A6 0x2
557 #define MESH_FLAGS_AE 0x3
558 #define MESH_FLAGS_PS_DEEP 0x4
561 * struct ieee80211_quiet_ie
563 * This structure refers to "Quiet information element"
565 struct ieee80211_quiet_ie {
570 } __attribute__ ((packed));
573 * struct ieee80211_msrment_ie
575 * This structure refers to "Measurement Request/Report information element"
577 struct ieee80211_msrment_ie {
582 } __attribute__ ((packed));
585 * struct ieee80211_channel_sw_ie
587 * This structure refers to "Channel Switch Announcement information element"
589 struct ieee80211_channel_sw_ie {
593 } __attribute__ ((packed));
596 * struct ieee80211_tim
598 * This structure refers to "Traffic Indication Map information element"
600 struct ieee80211_tim_ie {
604 /* variable size: 1 - 251 bytes */
606 } __attribute__ ((packed));
609 * struct ieee80211_meshconf_ie
611 * This structure refers to "Mesh Configuration information element"
613 struct ieee80211_meshconf_ie {
621 } __attribute__ ((packed));
624 * struct ieee80211_rann_ie
626 * This structure refers to "Root Announcement information element"
628 struct ieee80211_rann_ie {
636 } __attribute__ ((packed));
638 enum ieee80211_rann_flags {
639 RANN_FLAG_IS_GATE = 1 << 0,
642 #define WLAN_SA_QUERY_TR_ID_LEN 2
644 struct ieee80211_mgmt {
645 __le16 frame_control;
654 __le16 auth_transaction;
656 /* possibly followed by Challenge text */
658 } __attribute__ ((packed)) auth;
661 } __attribute__ ((packed)) deauth;
664 __le16 listen_interval;
665 /* followed by SSID and Supported rates */
667 } __attribute__ ((packed)) assoc_req;
672 /* followed by Supported rates */
674 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
677 __le16 listen_interval;
679 /* followed by SSID and Supported rates */
681 } __attribute__ ((packed)) reassoc_req;
684 } __attribute__ ((packed)) disassoc;
689 /* followed by some of SSID, Supported rates,
690 * FH Params, DS Params, CF Params, IBSS Params, TIM */
692 } __attribute__ ((packed)) beacon;
694 /* only variable items: SSID, Supported rates */
696 } __attribute__ ((packed)) probe_req;
701 /* followed by some of SSID, Supported rates,
702 * FH Params, DS Params, CF Params, IBSS Params */
704 } __attribute__ ((packed)) probe_resp;
713 } __attribute__ ((packed)) wme_action;
718 struct ieee80211_channel_sw_ie sw_elem;
719 } __attribute__((packed)) chan_switch;
725 struct ieee80211_msrment_ie msr_elem;
726 } __attribute__((packed)) measurement;
732 __le16 start_seq_num;
733 } __attribute__((packed)) addba_req;
740 } __attribute__((packed)) addba_resp;
745 } __attribute__((packed)) delba;
749 } __attribute__((packed)) self_prot;
753 } __attribute__((packed)) mesh_action;
756 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
757 } __attribute__ ((packed)) sa_query;
761 } __attribute__ ((packed)) ht_smps;
763 } __attribute__ ((packed)) action;
765 } __attribute__ ((packed));
767 /* mgmt header + 1 byte category code */
768 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
771 /* Management MIC information element (IEEE 802.11w) */
772 struct ieee80211_mmie {
776 u8 sequence_number[6];
778 } __attribute__ ((packed));
781 struct ieee80211_rts {
782 __le16 frame_control;
786 } __attribute__ ((packed));
788 struct ieee80211_cts {
789 __le16 frame_control;
792 } __attribute__ ((packed));
794 struct ieee80211_pspoll {
795 __le16 frame_control;
799 } __attribute__ ((packed));
802 * struct ieee80211_bar - HT Block Ack Request
804 * This structure refers to "HT BlockAckReq" as
805 * described in 802.11n draft section 7.2.1.7.1
807 struct ieee80211_bar {
808 __le16 frame_control;
813 __le16 start_seq_num;
814 } __attribute__((packed));
816 /* 802.11 BAR control masks */
817 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
818 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
819 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
820 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
821 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
823 #define IEEE80211_HT_MCS_MASK_LEN 10
826 * struct ieee80211_mcs_info - MCS information
828 * @rx_highest: highest supported RX rate. If set represents
829 * the highest supported RX data rate in units of 1 Mbps.
830 * If this field is 0 this value should not be used to
831 * consider the highest RX data rate supported.
832 * @tx_params: TX parameters
834 struct ieee80211_mcs_info {
835 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
839 } __attribute__((packed));
841 /* 802.11n HT capability MSC set */
842 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
843 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
844 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
845 /* value 0 == 1 stream etc */
846 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
847 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
848 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
849 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
852 * 802.11n D5.0 20.3.5 / 20.6 says:
853 * - indices 0 to 7 and 32 are single spatial stream
854 * - 8 to 31 are multiple spatial streams using equal modulation
855 * [8..15 for two streams, 16..23 for three and 24..31 for four]
856 * - remainder are multiple spatial streams using unequal modulation
858 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
859 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
860 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
863 * struct ieee80211_ht_cap - HT capabilities
865 * This structure is the "HT capabilities element" as
866 * described in 802.11n D5.0 7.3.2.57
868 struct ieee80211_ht_cap {
870 u8 ampdu_params_info;
872 /* 16 bytes MCS information */
873 struct ieee80211_mcs_info mcs;
875 __le16 extended_ht_cap_info;
876 __le32 tx_BF_cap_info;
877 u8 antenna_selection_info;
878 } __attribute__ ((packed));
880 /* 802.11n HT capabilities masks (for cap_info) */
881 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
882 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
883 #define IEEE80211_HT_CAP_SM_PS 0x000C
884 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
885 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
886 #define IEEE80211_HT_CAP_SGI_20 0x0020
887 #define IEEE80211_HT_CAP_SGI_40 0x0040
888 #define IEEE80211_HT_CAP_TX_STBC 0x0080
889 #define IEEE80211_HT_CAP_RX_STBC 0x0300
890 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
891 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
892 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
893 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
894 #define IEEE80211_HT_CAP_RESERVED 0x2000
895 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
896 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
898 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
899 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
900 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
901 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
902 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
903 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
904 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
905 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
907 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
908 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
909 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
910 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
913 * Maximum length of AMPDU that the STA can receive.
914 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
916 enum ieee80211_max_ampdu_length_exp {
917 IEEE80211_HT_MAX_AMPDU_8K = 0,
918 IEEE80211_HT_MAX_AMPDU_16K = 1,
919 IEEE80211_HT_MAX_AMPDU_32K = 2,
920 IEEE80211_HT_MAX_AMPDU_64K = 3
923 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
925 /* Minimum MPDU start spacing */
926 enum ieee80211_min_mpdu_spacing {
927 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
928 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
929 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
930 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
931 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
932 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
933 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
934 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
938 * struct ieee80211_ht_info - HT information
940 * This structure is the "HT information element" as
941 * described in 802.11n D5.0 7.3.2.58
943 struct ieee80211_ht_info {
946 __le16 operation_mode;
949 } __attribute__ ((packed));
952 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
953 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
954 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
955 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
956 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
957 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
958 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
959 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
961 /* for operation_mode */
962 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
963 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
964 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
965 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
966 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
967 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
968 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
971 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
972 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
973 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
974 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
975 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
976 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
979 /* block-ack parameters */
980 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
981 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
982 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
983 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
984 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
987 * A-PMDU buffer sizes
988 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
990 #define IEEE80211_MIN_AMPDU_BUF 0x8
991 #define IEEE80211_MAX_AMPDU_BUF 0x40
994 /* Spatial Multiplexing Power Save Modes (for capability) */
995 #define WLAN_HT_CAP_SM_PS_STATIC 0
996 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
997 #define WLAN_HT_CAP_SM_PS_INVALID 2
998 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1000 /* for SM power control field lower two bits */
1001 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1002 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1003 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1005 /* Authentication algorithms */
1006 #define WLAN_AUTH_OPEN 0
1007 #define WLAN_AUTH_SHARED_KEY 1
1008 #define WLAN_AUTH_FT 2
1009 #define WLAN_AUTH_SAE 3
1010 #define WLAN_AUTH_LEAP 128
1012 #define WLAN_AUTH_CHALLENGE_LEN 128
1014 #define WLAN_CAPABILITY_ESS (1<<0)
1015 #define WLAN_CAPABILITY_IBSS (1<<1)
1018 * A mesh STA sets the ESS and IBSS capability bits to zero.
1019 * however, this holds true for p2p probe responses (in the p2p_find
1022 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1023 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1025 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1026 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1027 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1028 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1029 #define WLAN_CAPABILITY_PBCC (1<<6)
1030 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1033 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1034 #define WLAN_CAPABILITY_QOS (1<<9)
1035 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1036 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1038 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1039 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1040 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1042 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1043 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1044 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1047 /* 802.11g ERP information element */
1048 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1049 #define WLAN_ERP_USE_PROTECTION (1<<1)
1050 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1052 /* WLAN_ERP_BARKER_PREAMBLE values */
1054 WLAN_ERP_PREAMBLE_SHORT = 0,
1055 WLAN_ERP_PREAMBLE_LONG = 1,
1059 enum ieee80211_statuscode {
1060 WLAN_STATUS_SUCCESS = 0,
1061 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1062 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1063 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1064 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1065 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1066 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1067 WLAN_STATUS_CHALLENGE_FAIL = 15,
1068 WLAN_STATUS_AUTH_TIMEOUT = 16,
1069 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1070 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1072 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1073 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1074 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1076 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1077 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1078 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1080 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1081 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1083 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1084 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1086 WLAN_STATUS_INVALID_IE = 40,
1087 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1088 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1089 WLAN_STATUS_INVALID_AKMP = 43,
1090 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1091 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1092 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1094 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1095 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1096 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1097 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1098 WLAN_STATUS_REQUEST_DECLINED = 37,
1099 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1100 WLAN_STATUS_CHANGE_TSPEC = 39,
1101 WLAN_STATUS_WAIT_TS_DELAY = 47,
1102 WLAN_STATUS_NO_DIRECT_LINK = 48,
1103 WLAN_STATUS_STA_NOT_PRESENT = 49,
1104 WLAN_STATUS_STA_NOT_QSTA = 50,
1106 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1107 WLAN_STATUS_FCG_NOT_SUPP = 78,
1108 WLAN_STATUS_STA_NO_TBTT = 78,
1113 enum ieee80211_reasoncode {
1114 WLAN_REASON_UNSPECIFIED = 1,
1115 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1116 WLAN_REASON_DEAUTH_LEAVING = 3,
1117 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1118 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1119 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1120 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1121 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1122 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1124 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1125 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1127 WLAN_REASON_INVALID_IE = 13,
1128 WLAN_REASON_MIC_FAILURE = 14,
1129 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1130 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1131 WLAN_REASON_IE_DIFFERENT = 17,
1132 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1133 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1134 WLAN_REASON_INVALID_AKMP = 20,
1135 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1136 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1137 WLAN_REASON_IEEE8021X_FAILED = 23,
1138 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1140 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1141 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1142 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1143 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1144 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1145 WLAN_REASON_QSTA_NOT_USE = 37,
1146 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1147 WLAN_REASON_QSTA_TIMEOUT = 39,
1148 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1150 WLAN_REASON_MESH_PEER_CANCELED = 52,
1151 WLAN_REASON_MESH_MAX_PEERS = 53,
1152 WLAN_REASON_MESH_CONFIG = 54,
1153 WLAN_REASON_MESH_CLOSE = 55,
1154 WLAN_REASON_MESH_MAX_RETRIES = 56,
1155 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1156 WLAN_REASON_MESH_INVALID_GTK = 58,
1157 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1158 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1159 WLAN_REASON_MESH_PATH_ERROR = 61,
1160 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1161 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1162 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1163 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1164 WLAN_REASON_MESH_CHAN = 66,
1168 /* Information Element IDs */
1169 enum ieee80211_eid {
1171 WLAN_EID_SUPP_RATES = 1,
1172 WLAN_EID_FH_PARAMS = 2,
1173 WLAN_EID_DS_PARAMS = 3,
1174 WLAN_EID_CF_PARAMS = 4,
1176 WLAN_EID_IBSS_PARAMS = 6,
1177 WLAN_EID_CHALLENGE = 16,
1179 WLAN_EID_COUNTRY = 7,
1180 WLAN_EID_HP_PARAMS = 8,
1181 WLAN_EID_HP_TABLE = 9,
1182 WLAN_EID_REQUEST = 10,
1184 WLAN_EID_QBSS_LOAD = 11,
1185 WLAN_EID_EDCA_PARAM_SET = 12,
1186 WLAN_EID_TSPEC = 13,
1187 WLAN_EID_TCLAS = 14,
1188 WLAN_EID_SCHEDULE = 15,
1189 WLAN_EID_TS_DELAY = 43,
1190 WLAN_EID_TCLAS_PROCESSING = 44,
1191 WLAN_EID_QOS_CAPA = 46,
1193 WLAN_EID_MESH_CONFIG = 113,
1194 WLAN_EID_MESH_ID = 114,
1195 WLAN_EID_LINK_METRIC_REPORT = 115,
1196 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1197 WLAN_EID_PEER_MGMT = 117,
1198 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1199 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1200 WLAN_EID_BEACON_TIMING = 120,
1201 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1202 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1203 WLAN_EID_MCCAOP_ADVERT = 123,
1204 WLAN_EID_MCCAOP_TEARDOWN = 124,
1205 WLAN_EID_GANN = 125,
1206 WLAN_EID_RANN = 126,
1207 WLAN_EID_PREQ = 130,
1208 WLAN_EID_PREP = 131,
1209 WLAN_EID_PERR = 132,
1211 WLAN_EID_PXUC = 138,
1212 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1215 WLAN_EID_PWR_CONSTRAINT = 32,
1216 WLAN_EID_PWR_CAPABILITY = 33,
1217 WLAN_EID_TPC_REQUEST = 34,
1218 WLAN_EID_TPC_REPORT = 35,
1219 WLAN_EID_SUPPORTED_CHANNELS = 36,
1220 WLAN_EID_CHANNEL_SWITCH = 37,
1221 WLAN_EID_MEASURE_REQUEST = 38,
1222 WLAN_EID_MEASURE_REPORT = 39,
1223 WLAN_EID_QUIET = 40,
1224 WLAN_EID_IBSS_DFS = 41,
1226 WLAN_EID_ERP_INFO = 42,
1227 WLAN_EID_EXT_SUPP_RATES = 50,
1229 WLAN_EID_HT_CAPABILITY = 45,
1230 WLAN_EID_HT_INFORMATION = 61,
1235 WLAN_EID_GENERIC = 221,
1236 WLAN_EID_VENDOR_SPECIFIC = 221,
1237 WLAN_EID_QOS_PARAMETER = 222,
1239 WLAN_EID_AP_CHAN_REPORT = 51,
1240 WLAN_EID_NEIGHBOR_REPORT = 52,
1242 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1243 WLAN_EID_ANTENNA_INFO = 64,
1245 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1246 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1247 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1248 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1249 WLAN_EID_MULTIPLE_BSSID = 71,
1250 WLAN_EID_BSS_COEX_2040 = 72,
1251 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1252 WLAN_EID_EXT_CAPABILITY = 127,
1254 WLAN_EID_MOBILITY_DOMAIN = 54,
1255 WLAN_EID_FAST_BSS_TRANSITION = 55,
1256 WLAN_EID_TIMEOUT_INTERVAL = 56,
1257 WLAN_EID_RIC_DATA = 57,
1258 WLAN_EID_RIC_DESCRIPTOR = 75,
1260 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1261 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1262 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1265 /* Action category code */
1266 enum ieee80211_category {
1267 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1268 WLAN_CATEGORY_QOS = 1,
1269 WLAN_CATEGORY_DLS = 2,
1270 WLAN_CATEGORY_BACK = 3,
1271 WLAN_CATEGORY_PUBLIC = 4,
1272 WLAN_CATEGORY_HT = 7,
1273 WLAN_CATEGORY_SA_QUERY = 8,
1274 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1275 WLAN_CATEGORY_MESH_ACTION = 13,
1276 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1277 WLAN_CATEGORY_SELF_PROTECTED = 15,
1278 WLAN_CATEGORY_WMM = 17,
1279 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1280 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1283 /* SPECTRUM_MGMT action code */
1284 enum ieee80211_spectrum_mgmt_actioncode {
1285 WLAN_ACTION_SPCT_MSR_REQ = 0,
1286 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1287 WLAN_ACTION_SPCT_TPC_REQ = 2,
1288 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1289 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1292 /* HT action codes */
1293 enum ieee80211_ht_actioncode {
1294 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1295 WLAN_HT_ACTION_SMPS = 1,
1296 WLAN_HT_ACTION_PSMP = 2,
1297 WLAN_HT_ACTION_PCO_PHASE = 3,
1298 WLAN_HT_ACTION_CSI = 4,
1299 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1300 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1301 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1304 /* Self Protected Action codes */
1305 enum ieee80211_self_protected_actioncode {
1306 WLAN_SP_RESERVED = 0,
1307 WLAN_SP_MESH_PEERING_OPEN = 1,
1308 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1309 WLAN_SP_MESH_PEERING_CLOSE = 3,
1310 WLAN_SP_MGK_INFORM = 4,
1311 WLAN_SP_MGK_ACK = 5,
1314 /* Mesh action codes */
1315 enum ieee80211_mesh_actioncode {
1316 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1317 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1318 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1319 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1320 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1321 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1322 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1323 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1324 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1325 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1326 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1329 /* Security key length */
1330 enum ieee80211_key_len {
1331 WLAN_KEY_LEN_WEP40 = 5,
1332 WLAN_KEY_LEN_WEP104 = 13,
1333 WLAN_KEY_LEN_CCMP = 16,
1334 WLAN_KEY_LEN_TKIP = 32,
1335 WLAN_KEY_LEN_AES_CMAC = 16,
1339 * enum - mesh path selection protocol identifier
1341 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1342 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1343 * be specified in a vendor specific information element
1346 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1347 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1351 * enum - mesh path selection metric identifier
1353 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1354 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1355 * specified in a vendor specific information element
1358 IEEE80211_PATH_METRIC_AIRTIME = 0,
1359 IEEE80211_PATH_METRIC_VENDOR = 255,
1364 * IEEE 802.11-2007 7.3.2.9 Country information element
1366 * Minimum length is 8 octets, ie len must be evenly
1370 /* Although the spec says 8 I'm seeing 6 in practice */
1371 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1373 /* The Country String field of the element shall be 3 octets in length */
1374 #define IEEE80211_COUNTRY_STRING_LEN 3
1377 * For regulatory extension stuff see IEEE 802.11-2007
1378 * Annex I (page 1141) and Annex J (page 1147). Also
1381 * When dot11RegulatoryClassesRequired is true and the
1382 * first_channel/reg_extension_id is >= 201 then the IE
1383 * compromises of the 'ext' struct represented below:
1385 * - Regulatory extension ID - when generating IE this just needs
1386 * to be monotonically increasing for each triplet passed in
1388 * - Regulatory class - index into set of rules
1389 * - Coverage class - index into air propagation time (Table 7-27),
1390 * in microseconds, you can compute the air propagation time from
1391 * the index by multiplying by 3, so index 10 yields a propagation
1392 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1393 * yet. A value of 0 inicates air propagation of <= 1 us.
1395 * See also Table I.2 for Emission limit sets and table
1396 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1397 * a reg_class to an emission limit set and behavior limit set.
1399 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1402 * Channels numbers in the IE must be monotonically increasing
1403 * if dot11RegulatoryClassesRequired is not true.
1405 * If dot11RegulatoryClassesRequired is true consecutive
1406 * subband triplets following a regulatory triplet shall
1407 * have monotonically increasing first_channel number fields.
1409 * Channel numbers shall not overlap.
1411 * Note that max_power is signed.
1413 struct ieee80211_country_ie_triplet {
1419 } __attribute__ ((packed)) chans;
1421 u8 reg_extension_id;
1424 } __attribute__ ((packed)) ext;
1426 } __attribute__ ((packed));
1428 enum ieee80211_timeout_interval_type {
1429 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1430 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1431 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1434 /* BACK action code */
1435 enum ieee80211_back_actioncode {
1436 WLAN_ACTION_ADDBA_REQ = 0,
1437 WLAN_ACTION_ADDBA_RESP = 1,
1438 WLAN_ACTION_DELBA = 2,
1441 /* BACK (block-ack) parties */
1442 enum ieee80211_back_parties {
1443 WLAN_BACK_RECIPIENT = 0,
1444 WLAN_BACK_INITIATOR = 1,
1447 /* SA Query action */
1448 enum ieee80211_sa_query_action {
1449 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1450 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1454 /* cipher suite selectors */
1455 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1456 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1457 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1458 /* reserved: 0x000FAC03 */
1459 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1460 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1461 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1463 /* AKM suite selectors */
1464 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1465 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1466 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1467 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1469 #define WLAN_MAX_KEY_LEN 32
1471 #define WLAN_PMKID_LEN 16
1474 * WMM/802.11e Tspec Element
1476 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1477 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1479 enum ieee80211_tspec_status_code {
1480 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1481 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1484 struct ieee80211_tspec_ie {
1493 __le16 nominal_msdu;
1495 __le32 min_service_int;
1496 __le32 max_service_int;
1497 __le32 inactivity_int;
1498 __le32 suspension_int;
1499 __le32 service_start_time;
1500 __le32 min_data_rate;
1501 __le32 mean_data_rate;
1502 __le32 peak_data_rate;
1503 __le32 max_burst_size;
1505 __le32 min_phy_rate;
1511 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1514 * The qos ctrl bytes come after the frame_control, duration, seq_num
1515 * and 3 or 4 addresses of length ETH_ALEN.
1516 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1517 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1519 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1521 if (ieee80211_has_a4(hdr->frame_control))
1522 return (u8 *)hdr + 30;
1524 return (u8 *)hdr + 24;
1528 * ieee80211_get_SA - get pointer to SA
1531 * Given an 802.11 frame, this function returns the offset
1532 * to the source address (SA). It does not verify that the
1533 * header is long enough to contain the address, and the
1534 * header must be long enough to contain the frame control
1537 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1539 if (ieee80211_has_a4(hdr->frame_control))
1541 if (ieee80211_has_fromds(hdr->frame_control))
1547 * ieee80211_get_DA - get pointer to DA
1550 * Given an 802.11 frame, this function returns the offset
1551 * to the destination address (DA). It does not verify that
1552 * the header is long enough to contain the address, and the
1553 * header must be long enough to contain the frame control
1556 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1558 if (ieee80211_has_tods(hdr->frame_control))
1565 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1566 * @hdr: the frame (buffer must include at least the first octet of payload)
1568 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1570 if (ieee80211_is_disassoc(hdr->frame_control) ||
1571 ieee80211_is_deauth(hdr->frame_control))
1574 if (ieee80211_is_action(hdr->frame_control)) {
1578 * Action frames, excluding Public Action frames, are Robust
1579 * Management Frames. However, if we are looking at a Protected
1580 * frame, skip the check since the data may be encrypted and
1581 * the frame has already been found to be a Robust Management
1582 * Frame (by the other end).
1584 if (ieee80211_has_protected(hdr->frame_control))
1586 category = ((u8 *) hdr) + 24;
1587 return *category != WLAN_CATEGORY_PUBLIC &&
1588 *category != WLAN_CATEGORY_HT &&
1589 *category != WLAN_CATEGORY_SELF_PROTECTED &&
1590 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1597 * ieee80211_fhss_chan_to_freq - get channel frequency
1598 * @channel: the FHSS channel
1600 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1601 * Ref IEEE 802.11-2007 section 14.6
1603 static inline int ieee80211_fhss_chan_to_freq(int channel)
1605 if ((channel > 1) && (channel < 96))
1606 return channel + 2400;
1612 * ieee80211_freq_to_fhss_chan - get channel
1613 * @freq: the channels frequency
1615 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1616 * Ref IEEE 802.11-2007 section 14.6
1618 static inline int ieee80211_freq_to_fhss_chan(int freq)
1620 if ((freq > 2401) && (freq < 2496))
1627 * ieee80211_dsss_chan_to_freq - get channel center frequency
1628 * @channel: the DSSS channel
1630 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1631 * Ref IEEE 802.11-2007 section 15.6
1633 static inline int ieee80211_dsss_chan_to_freq(int channel)
1635 if ((channel > 0) && (channel < 14))
1636 return 2407 + (channel * 5);
1637 else if (channel == 14)
1644 * ieee80211_freq_to_dsss_chan - get channel
1645 * @freq: the frequency
1647 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1648 * Ref IEEE 802.11-2007 section 15.6
1650 * This routine selects the channel with the closest center frequency.
1652 static inline int ieee80211_freq_to_dsss_chan(int freq)
1654 if ((freq >= 2410) && (freq < 2475))
1655 return (freq - 2405) / 5;
1656 else if ((freq >= 2482) && (freq < 2487))
1662 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1663 * Ref IEEE 802.11-2007 section 18.4.6.2
1665 * The channels and frequencies are the same as those defined for DSSS
1667 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1668 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1670 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1671 * Ref IEEE 802.11-2007 section 19.4.2
1673 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1674 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1677 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1678 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1679 * @channel: the OFDM channel
1681 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1682 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1684 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1686 if ((channel > 0) && (channel <= 200) &&
1688 return s_freq + (channel * 5);
1694 * ieee80211_freq_to_ofdm_channel - get channel
1695 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1696 * @freq: the frequency
1698 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1699 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1701 * This routine selects the channel with the closest center frequency.
1703 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1705 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1707 return (freq + 2 - s_freq) / 5;
1713 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1716 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1722 * ieee80211_check_tim - check if AID bit is set in TIM
1724 * @tim_len: length of the TIM IE
1725 * @aid: the AID to look for
1727 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1728 u8 tim_len, u16 aid)
1731 u8 index, indexn1, indexn2;
1733 if (unlikely(!tim || tim_len < sizeof(*tim)))
1738 mask = 1 << (aid & 7);
1740 indexn1 = tim->bitmap_ctrl & 0xfe;
1741 indexn2 = tim_len + indexn1 - 4;
1743 if (index < indexn1 || index > indexn2)
1748 return !!(tim->virtual_map[index] & mask);
1751 #endif /* LINUX_IEEE80211_H */