4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #ifndef __LINUX_IEEE80211_H
16 #define __LINUX_IEEE80211_H
21 * TA = transmitter address
22 * RA = receiver address
23 * DA = destination address
26 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
27 * -----------------------------------------------------------------
28 * 0 0 DA SA BSSID - IBSS/DLS
29 * 0 1 DA BSSID SA - AP -> STA
30 * 1 0 BSSID SA DA - AP <- STA
31 * 1 1 RA TA DA SA unspecified (WDS)
36 #define IEEE80211_FCTL_VERS 0x0003
37 #define IEEE80211_FCTL_FTYPE 0x000c
38 #define IEEE80211_FCTL_STYPE 0x00f0
39 #define IEEE80211_FCTL_TODS 0x0100
40 #define IEEE80211_FCTL_FROMDS 0x0200
41 #define IEEE80211_FCTL_MOREFRAGS 0x0400
42 #define IEEE80211_FCTL_RETRY 0x0800
43 #define IEEE80211_FCTL_PM 0x1000
44 #define IEEE80211_FCTL_MOREDATA 0x2000
45 #define IEEE80211_FCTL_PROTECTED 0x4000
46 #define IEEE80211_FCTL_ORDER 0x8000
48 #define IEEE80211_SCTL_FRAG 0x000F
49 #define IEEE80211_SCTL_SEQ 0xFFF0
51 #define IEEE80211_FTYPE_MGMT 0x0000
52 #define IEEE80211_FTYPE_CTL 0x0004
53 #define IEEE80211_FTYPE_DATA 0x0008
56 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
57 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
58 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
59 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
60 #define IEEE80211_STYPE_PROBE_REQ 0x0040
61 #define IEEE80211_STYPE_PROBE_RESP 0x0050
62 #define IEEE80211_STYPE_BEACON 0x0080
63 #define IEEE80211_STYPE_ATIM 0x0090
64 #define IEEE80211_STYPE_DISASSOC 0x00A0
65 #define IEEE80211_STYPE_AUTH 0x00B0
66 #define IEEE80211_STYPE_DEAUTH 0x00C0
67 #define IEEE80211_STYPE_ACTION 0x00D0
70 #define IEEE80211_STYPE_BACK_REQ 0x0080
71 #define IEEE80211_STYPE_BACK 0x0090
72 #define IEEE80211_STYPE_PSPOLL 0x00A0
73 #define IEEE80211_STYPE_RTS 0x00B0
74 #define IEEE80211_STYPE_CTS 0x00C0
75 #define IEEE80211_STYPE_ACK 0x00D0
76 #define IEEE80211_STYPE_CFEND 0x00E0
77 #define IEEE80211_STYPE_CFENDACK 0x00F0
80 #define IEEE80211_STYPE_DATA 0x0000
81 #define IEEE80211_STYPE_DATA_CFACK 0x0010
82 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
83 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
84 #define IEEE80211_STYPE_NULLFUNC 0x0040
85 #define IEEE80211_STYPE_CFACK 0x0050
86 #define IEEE80211_STYPE_CFPOLL 0x0060
87 #define IEEE80211_STYPE_CFACKPOLL 0x0070
88 #define IEEE80211_STYPE_QOS_DATA 0x0080
89 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
90 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
91 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
92 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
93 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
94 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
95 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
98 /* miscellaneous IEEE 802.11 constants */
99 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
100 #define IEEE80211_MAX_RTS_THRESHOLD 2353
101 #define IEEE80211_MAX_AID 2007
102 #define IEEE80211_MAX_TIM_LEN 251
103 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
106 802.11e clarifies the figure in section 7.1.2. The frame body is
107 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
108 #define IEEE80211_MAX_DATA_LEN 2304
109 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
110 #define IEEE80211_MAX_FRAME_LEN 2352
112 #define IEEE80211_MAX_SSID_LEN 32
114 #define IEEE80211_MAX_MESH_ID_LEN 32
116 #define IEEE80211_QOS_CTL_LEN 2
118 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
120 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
122 #define IEEE80211_QOS_CTL_EOSP 0x0010
124 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
125 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
126 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
127 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
129 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
131 /* U-APSD queue for WMM IEs sent by AP */
132 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
133 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
135 /* U-APSD queues for WMM IEs sent by STA */
136 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
137 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
138 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
139 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
140 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
142 /* U-APSD max SP length for WMM IEs sent by STA */
143 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
144 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
145 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
146 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
147 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
148 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
150 #define IEEE80211_HT_CTL_LEN 4
152 struct ieee80211_hdr {
153 __le16 frame_control;
160 } __attribute__ ((packed));
162 struct ieee80211_hdr_3addr {
163 __le16 frame_control;
169 } __attribute__ ((packed));
171 struct ieee80211_qos_hdr {
172 __le16 frame_control;
179 } __attribute__ ((packed));
182 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
183 * @fc: frame control bytes in little-endian byteorder
185 static inline int ieee80211_has_tods(__le16 fc)
187 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
191 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
192 * @fc: frame control bytes in little-endian byteorder
194 static inline int ieee80211_has_fromds(__le16 fc)
196 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
200 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
201 * @fc: frame control bytes in little-endian byteorder
203 static inline int ieee80211_has_a4(__le16 fc)
205 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
206 return (fc & tmp) == tmp;
210 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
211 * @fc: frame control bytes in little-endian byteorder
213 static inline int ieee80211_has_morefrags(__le16 fc)
215 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
219 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
220 * @fc: frame control bytes in little-endian byteorder
222 static inline int ieee80211_has_retry(__le16 fc)
224 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
228 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
229 * @fc: frame control bytes in little-endian byteorder
231 static inline int ieee80211_has_pm(__le16 fc)
233 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
237 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
238 * @fc: frame control bytes in little-endian byteorder
240 static inline int ieee80211_has_moredata(__le16 fc)
242 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
246 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
247 * @fc: frame control bytes in little-endian byteorder
249 static inline int ieee80211_has_protected(__le16 fc)
251 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
255 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
256 * @fc: frame control bytes in little-endian byteorder
258 static inline int ieee80211_has_order(__le16 fc)
260 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
264 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
265 * @fc: frame control bytes in little-endian byteorder
267 static inline int ieee80211_is_mgmt(__le16 fc)
269 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
270 cpu_to_le16(IEEE80211_FTYPE_MGMT);
274 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
275 * @fc: frame control bytes in little-endian byteorder
277 static inline int ieee80211_is_ctl(__le16 fc)
279 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
280 cpu_to_le16(IEEE80211_FTYPE_CTL);
284 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
285 * @fc: frame control bytes in little-endian byteorder
287 static inline int ieee80211_is_data(__le16 fc)
289 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
290 cpu_to_le16(IEEE80211_FTYPE_DATA);
294 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
295 * @fc: frame control bytes in little-endian byteorder
297 static inline int ieee80211_is_data_qos(__le16 fc)
300 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
301 * to check the one bit
303 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
304 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
308 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
309 * @fc: frame control bytes in little-endian byteorder
311 static inline int ieee80211_is_data_present(__le16 fc)
314 * mask with 0x40 and test that that bit is clear to only return true
315 * for the data-containing substypes.
317 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
318 cpu_to_le16(IEEE80211_FTYPE_DATA);
322 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
323 * @fc: frame control bytes in little-endian byteorder
325 static inline int ieee80211_is_assoc_req(__le16 fc)
327 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
328 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
332 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
333 * @fc: frame control bytes in little-endian byteorder
335 static inline int ieee80211_is_assoc_resp(__le16 fc)
337 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
338 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
342 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
343 * @fc: frame control bytes in little-endian byteorder
345 static inline int ieee80211_is_reassoc_req(__le16 fc)
347 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
348 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
352 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
353 * @fc: frame control bytes in little-endian byteorder
355 static inline int ieee80211_is_reassoc_resp(__le16 fc)
357 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
358 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
362 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
363 * @fc: frame control bytes in little-endian byteorder
365 static inline int ieee80211_is_probe_req(__le16 fc)
367 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
368 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
372 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
373 * @fc: frame control bytes in little-endian byteorder
375 static inline int ieee80211_is_probe_resp(__le16 fc)
377 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
378 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
382 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
383 * @fc: frame control bytes in little-endian byteorder
385 static inline int ieee80211_is_beacon(__le16 fc)
387 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
388 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
392 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
393 * @fc: frame control bytes in little-endian byteorder
395 static inline int ieee80211_is_atim(__le16 fc)
397 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
398 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
402 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
403 * @fc: frame control bytes in little-endian byteorder
405 static inline int ieee80211_is_disassoc(__le16 fc)
407 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
408 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
412 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
413 * @fc: frame control bytes in little-endian byteorder
415 static inline int ieee80211_is_auth(__le16 fc)
417 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
418 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
422 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
423 * @fc: frame control bytes in little-endian byteorder
425 static inline int ieee80211_is_deauth(__le16 fc)
427 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
428 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
432 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
433 * @fc: frame control bytes in little-endian byteorder
435 static inline int ieee80211_is_action(__le16 fc)
437 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
438 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
442 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
443 * @fc: frame control bytes in little-endian byteorder
445 static inline int ieee80211_is_back_req(__le16 fc)
447 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
448 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
452 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
453 * @fc: frame control bytes in little-endian byteorder
455 static inline int ieee80211_is_back(__le16 fc)
457 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
458 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
462 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
463 * @fc: frame control bytes in little-endian byteorder
465 static inline int ieee80211_is_pspoll(__le16 fc)
467 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
468 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
472 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
473 * @fc: frame control bytes in little-endian byteorder
475 static inline int ieee80211_is_rts(__le16 fc)
477 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
478 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
482 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
483 * @fc: frame control bytes in little-endian byteorder
485 static inline int ieee80211_is_cts(__le16 fc)
487 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
488 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
492 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
493 * @fc: frame control bytes in little-endian byteorder
495 static inline int ieee80211_is_ack(__le16 fc)
497 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
498 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
502 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
503 * @fc: frame control bytes in little-endian byteorder
505 static inline int ieee80211_is_cfend(__le16 fc)
507 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
508 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
512 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
513 * @fc: frame control bytes in little-endian byteorder
515 static inline int ieee80211_is_cfendack(__le16 fc)
517 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
518 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
522 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
523 * @fc: frame control bytes in little-endian byteorder
525 static inline int ieee80211_is_nullfunc(__le16 fc)
527 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
528 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
532 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
533 * @fc: frame control bytes in little-endian byteorder
535 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
537 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
538 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
541 static inline unsigned int ieee80211_hdrlen(__le16 fc)
543 unsigned int hdrlen = 24;
545 if (ieee80211_has_a4(fc))
548 if (ieee80211_is_data_qos(fc)) {
549 hdrlen += IEEE80211_QOS_CTL_LEN;
550 if (ieee80211_has_order(fc))
551 hdrlen += IEEE80211_HT_CTL_LEN;
557 struct ieee80211s_hdr {
563 } __attribute__ ((packed));
566 #define MESH_FLAGS_AE_A4 0x1
567 #define MESH_FLAGS_AE_A5_A6 0x2
568 #define MESH_FLAGS_AE 0x3
569 #define MESH_FLAGS_PS_DEEP 0x4
572 * struct ieee80211_quiet_ie
574 * This structure refers to "Quiet information element"
576 struct ieee80211_quiet_ie {
581 } __attribute__ ((packed));
584 * struct ieee80211_msrment_ie
586 * This structure refers to "Measurement Request/Report information element"
588 struct ieee80211_msrment_ie {
593 } __attribute__ ((packed));
596 * struct ieee80211_channel_sw_ie
598 * This structure refers to "Channel Switch Announcement information element"
600 struct ieee80211_channel_sw_ie {
604 } __attribute__ ((packed));
607 * struct ieee80211_tim
609 * This structure refers to "Traffic Indication Map information element"
611 struct ieee80211_tim_ie {
615 /* variable size: 1 - 251 bytes */
617 } __attribute__ ((packed));
620 * struct ieee80211_meshconf_ie
622 * This structure refers to "Mesh Configuration information element"
624 struct ieee80211_meshconf_ie {
632 } __attribute__ ((packed));
635 * struct ieee80211_rann_ie
637 * This structure refers to "Root Announcement information element"
639 struct ieee80211_rann_ie {
646 } __attribute__ ((packed));
648 #define WLAN_SA_QUERY_TR_ID_LEN 2
650 struct ieee80211_mgmt {
651 __le16 frame_control;
660 __le16 auth_transaction;
662 /* possibly followed by Challenge text */
664 } __attribute__ ((packed)) auth;
667 } __attribute__ ((packed)) deauth;
670 __le16 listen_interval;
671 /* followed by SSID and Supported rates */
673 } __attribute__ ((packed)) assoc_req;
678 /* followed by Supported rates */
680 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
683 __le16 listen_interval;
685 /* followed by SSID and Supported rates */
687 } __attribute__ ((packed)) reassoc_req;
690 } __attribute__ ((packed)) disassoc;
695 /* followed by some of SSID, Supported rates,
696 * FH Params, DS Params, CF Params, IBSS Params, TIM */
698 } __attribute__ ((packed)) beacon;
700 /* only variable items: SSID, Supported rates */
702 } __attribute__ ((packed)) probe_req;
707 /* followed by some of SSID, Supported rates,
708 * FH Params, DS Params, CF Params, IBSS Params */
710 } __attribute__ ((packed)) probe_resp;
719 } __attribute__ ((packed)) wme_action;
724 struct ieee80211_channel_sw_ie sw_elem;
725 } __attribute__((packed)) chan_switch;
731 struct ieee80211_msrment_ie msr_elem;
732 } __attribute__((packed)) measurement;
738 __le16 start_seq_num;
739 } __attribute__((packed)) addba_req;
746 } __attribute__((packed)) addba_resp;
751 } __attribute__((packed)) delba;
754 /* capab_info for open and confirm,
758 /* Followed in plink_confirm by status
759 * code, AID and supported rates,
760 * and directly by supported rates in
761 * plink_open and plink_close
764 } __attribute__((packed)) plink_action;
768 } __attribute__((packed)) self_prot;
772 } __attribute__((packed)) mesh_action;
775 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
776 } __attribute__ ((packed)) sa_query;
780 } __attribute__ ((packed)) ht_smps;
782 } __attribute__ ((packed)) action;
784 } __attribute__ ((packed));
786 /* mgmt header + 1 byte category code */
787 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
790 /* Management MIC information element (IEEE 802.11w) */
791 struct ieee80211_mmie {
795 u8 sequence_number[6];
797 } __attribute__ ((packed));
800 struct ieee80211_rts {
801 __le16 frame_control;
805 } __attribute__ ((packed));
807 struct ieee80211_cts {
808 __le16 frame_control;
811 } __attribute__ ((packed));
813 struct ieee80211_pspoll {
814 __le16 frame_control;
818 } __attribute__ ((packed));
821 * struct ieee80211_bar - HT Block Ack Request
823 * This structure refers to "HT BlockAckReq" as
824 * described in 802.11n draft section 7.2.1.7.1
826 struct ieee80211_bar {
827 __le16 frame_control;
832 __le16 start_seq_num;
833 } __attribute__((packed)) __aligned(4);
835 /* 802.11 BA(R) control masks */
836 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
837 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
838 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
839 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
840 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
843 * struct ieee80211_ba - HT Block Ack
845 * This structure refers to "HT BlockAck" as
846 * described in 802.11n draft section 7.2.1.8.1
848 struct ieee80211_ba {
849 __le16 frame_control;
855 __le16 start_seq_num;
857 } __attribute__((packed));
859 #define IEEE80211_HT_MCS_MASK_LEN 10
862 * struct ieee80211_mcs_info - MCS information
864 * @rx_highest: highest supported RX rate. If set represents
865 * the highest supported RX data rate in units of 1 Mbps.
866 * If this field is 0 this value should not be used to
867 * consider the highest RX data rate supported.
868 * @tx_params: TX parameters
870 struct ieee80211_mcs_info {
871 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
875 } __attribute__((packed));
877 /* 802.11n HT capability MSC set */
878 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
879 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
880 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
881 /* value 0 == 1 stream etc */
882 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
883 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
884 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
885 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
888 * 802.11n D5.0 20.3.5 / 20.6 says:
889 * - indices 0 to 7 and 32 are single spatial stream
890 * - 8 to 31 are multiple spatial streams using equal modulation
891 * [8..15 for two streams, 16..23 for three and 24..31 for four]
892 * - remainder are multiple spatial streams using unequal modulation
894 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
895 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
896 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
899 * struct ieee80211_ht_cap - HT capabilities
901 * This structure is the "HT capabilities element" as
902 * described in 802.11n D5.0 7.3.2.57
904 struct ieee80211_ht_cap {
906 u8 ampdu_params_info;
908 /* 16 bytes MCS information */
909 struct ieee80211_mcs_info mcs;
911 __le16 extended_ht_cap_info;
912 __le32 tx_BF_cap_info;
913 u8 antenna_selection_info;
914 } __attribute__ ((packed));
916 /* 802.11n HT capabilities masks (for cap_info) */
917 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
918 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
919 #define IEEE80211_HT_CAP_SM_PS 0x000C
920 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
921 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
922 #define IEEE80211_HT_CAP_SGI_20 0x0020
923 #define IEEE80211_HT_CAP_SGI_40 0x0040
924 #define IEEE80211_HT_CAP_TX_STBC 0x0080
925 #define IEEE80211_HT_CAP_RX_STBC 0x0300
926 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
927 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
928 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
929 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
930 #define IEEE80211_HT_CAP_RESERVED 0x2000
931 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
932 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
934 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
935 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
936 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
937 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
938 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
939 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
940 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
941 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
943 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
944 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
945 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
946 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
949 * Maximum length of AMPDU that the STA can receive.
950 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
952 enum ieee80211_max_ampdu_length_exp {
953 IEEE80211_HT_MAX_AMPDU_8K = 0,
954 IEEE80211_HT_MAX_AMPDU_16K = 1,
955 IEEE80211_HT_MAX_AMPDU_32K = 2,
956 IEEE80211_HT_MAX_AMPDU_64K = 3
959 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
961 /* Minimum MPDU start spacing */
962 enum ieee80211_min_mpdu_spacing {
963 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
964 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
965 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
966 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
967 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
968 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
969 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
970 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
974 * struct ieee80211_ht_info - HT information
976 * This structure is the "HT information element" as
977 * described in 802.11n D5.0 7.3.2.58
979 struct ieee80211_ht_info {
982 __le16 operation_mode;
985 } __attribute__ ((packed));
988 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
989 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
990 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
991 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
992 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
993 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
994 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
995 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
997 /* for operation_mode */
998 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
999 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1000 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1001 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1002 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1003 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1004 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1006 /* for stbc_param */
1007 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1008 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1009 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1010 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1011 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1012 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1015 /* block-ack parameters */
1016 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1017 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1018 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1019 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1020 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1023 * A-PMDU buffer sizes
1024 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1026 #define IEEE80211_MIN_AMPDU_BUF 0x8
1027 #define IEEE80211_MAX_AMPDU_BUF 0x40
1030 /* Spatial Multiplexing Power Save Modes (for capability) */
1031 #define WLAN_HT_CAP_SM_PS_STATIC 0
1032 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1033 #define WLAN_HT_CAP_SM_PS_INVALID 2
1034 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1036 /* for SM power control field lower two bits */
1037 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1038 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1039 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1041 /* Authentication algorithms */
1042 #define WLAN_AUTH_OPEN 0
1043 #define WLAN_AUTH_SHARED_KEY 1
1044 #define WLAN_AUTH_FT 2
1045 #define WLAN_AUTH_SAE 3
1046 #define WLAN_AUTH_LEAP 128
1048 #define WLAN_AUTH_CHALLENGE_LEN 128
1050 #define WLAN_CAPABILITY_ESS (1<<0)
1051 #define WLAN_CAPABILITY_IBSS (1<<1)
1054 * A mesh STA sets the ESS and IBSS capability bits to zero.
1055 * however, this holds true for p2p probe responses (in the p2p_find
1058 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1059 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1061 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1062 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1063 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1064 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1065 #define WLAN_CAPABILITY_PBCC (1<<6)
1066 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1069 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1070 #define WLAN_CAPABILITY_QOS (1<<9)
1071 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1072 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1074 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1075 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1076 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1078 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1079 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1080 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1083 /* 802.11g ERP information element */
1084 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1085 #define WLAN_ERP_USE_PROTECTION (1<<1)
1086 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1088 /* WLAN_ERP_BARKER_PREAMBLE values */
1090 WLAN_ERP_PREAMBLE_SHORT = 0,
1091 WLAN_ERP_PREAMBLE_LONG = 1,
1095 enum ieee80211_statuscode {
1096 WLAN_STATUS_SUCCESS = 0,
1097 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1098 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1099 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1100 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1101 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1102 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1103 WLAN_STATUS_CHALLENGE_FAIL = 15,
1104 WLAN_STATUS_AUTH_TIMEOUT = 16,
1105 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1106 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1108 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1109 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1110 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1112 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1113 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1114 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1116 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1117 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1119 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1120 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1122 WLAN_STATUS_INVALID_IE = 40,
1123 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1124 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1125 WLAN_STATUS_INVALID_AKMP = 43,
1126 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1127 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1128 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1130 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1131 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1132 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1133 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1134 WLAN_STATUS_REQUEST_DECLINED = 37,
1135 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1136 WLAN_STATUS_CHANGE_TSPEC = 39,
1137 WLAN_STATUS_WAIT_TS_DELAY = 47,
1138 WLAN_STATUS_NO_DIRECT_LINK = 48,
1139 WLAN_STATUS_STA_NOT_PRESENT = 49,
1140 WLAN_STATUS_STA_NOT_QSTA = 50,
1142 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1143 WLAN_STATUS_FCG_NOT_SUPP = 78,
1144 WLAN_STATUS_STA_NO_TBTT = 78,
1149 enum ieee80211_reasoncode {
1150 WLAN_REASON_UNSPECIFIED = 1,
1151 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1152 WLAN_REASON_DEAUTH_LEAVING = 3,
1153 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1154 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1155 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1156 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1157 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1158 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1160 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1161 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1163 WLAN_REASON_INVALID_IE = 13,
1164 WLAN_REASON_MIC_FAILURE = 14,
1165 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1166 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1167 WLAN_REASON_IE_DIFFERENT = 17,
1168 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1169 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1170 WLAN_REASON_INVALID_AKMP = 20,
1171 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1172 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1173 WLAN_REASON_IEEE8021X_FAILED = 23,
1174 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1176 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1177 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1178 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1179 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1180 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1181 WLAN_REASON_QSTA_NOT_USE = 37,
1182 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1183 WLAN_REASON_QSTA_TIMEOUT = 39,
1184 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1186 WLAN_REASON_MESH_PEER_CANCELED = 52,
1187 WLAN_REASON_MESH_MAX_PEERS = 53,
1188 WLAN_REASON_MESH_CONFIG = 54,
1189 WLAN_REASON_MESH_CLOSE = 55,
1190 WLAN_REASON_MESH_MAX_RETRIES = 56,
1191 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1192 WLAN_REASON_MESH_INVALID_GTK = 58,
1193 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1194 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1195 WLAN_REASON_MESH_PATH_ERROR = 61,
1196 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1197 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1198 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1199 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1200 WLAN_REASON_MESH_CHAN = 66,
1204 /* Information Element IDs */
1205 enum ieee80211_eid {
1207 WLAN_EID_SUPP_RATES = 1,
1208 WLAN_EID_FH_PARAMS = 2,
1209 WLAN_EID_DS_PARAMS = 3,
1210 WLAN_EID_CF_PARAMS = 4,
1212 WLAN_EID_IBSS_PARAMS = 6,
1213 WLAN_EID_CHALLENGE = 16,
1215 WLAN_EID_COUNTRY = 7,
1216 WLAN_EID_HP_PARAMS = 8,
1217 WLAN_EID_HP_TABLE = 9,
1218 WLAN_EID_REQUEST = 10,
1220 WLAN_EID_QBSS_LOAD = 11,
1221 WLAN_EID_EDCA_PARAM_SET = 12,
1222 WLAN_EID_TSPEC = 13,
1223 WLAN_EID_TCLAS = 14,
1224 WLAN_EID_SCHEDULE = 15,
1225 WLAN_EID_TS_DELAY = 43,
1226 WLAN_EID_TCLAS_PROCESSING = 44,
1227 WLAN_EID_QOS_CAPA = 46,
1229 WLAN_EID_MESH_CONFIG = 113,
1230 WLAN_EID_MESH_ID = 114,
1231 WLAN_EID_LINK_METRIC_REPORT = 115,
1232 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1233 /* Note that the Peer Link IE has been replaced with the similar
1234 * Peer Management IE. We will keep the former definition until mesh
1235 * code is changed to comply with latest 802.11s drafts.
1237 WLAN_EID_PEER_LINK = 55, /* no longer in 802.11s drafts */
1238 WLAN_EID_PEER_MGMT = 117,
1239 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1240 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1241 WLAN_EID_BEACON_TIMING = 120,
1242 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1243 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1244 WLAN_EID_MCCAOP_ADVERT = 123,
1245 WLAN_EID_MCCAOP_TEARDOWN = 124,
1246 WLAN_EID_GANN = 125,
1247 WLAN_EID_RANN = 126,
1248 WLAN_EID_PREQ = 130,
1249 WLAN_EID_PREP = 131,
1250 WLAN_EID_PERR = 132,
1252 WLAN_EID_PXUC = 138,
1253 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1256 WLAN_EID_PWR_CONSTRAINT = 32,
1257 WLAN_EID_PWR_CAPABILITY = 33,
1258 WLAN_EID_TPC_REQUEST = 34,
1259 WLAN_EID_TPC_REPORT = 35,
1260 WLAN_EID_SUPPORTED_CHANNELS = 36,
1261 WLAN_EID_CHANNEL_SWITCH = 37,
1262 WLAN_EID_MEASURE_REQUEST = 38,
1263 WLAN_EID_MEASURE_REPORT = 39,
1264 WLAN_EID_QUIET = 40,
1265 WLAN_EID_IBSS_DFS = 41,
1267 WLAN_EID_ERP_INFO = 42,
1268 WLAN_EID_EXT_SUPP_RATES = 50,
1270 WLAN_EID_HT_CAPABILITY = 45,
1271 WLAN_EID_HT_INFORMATION = 61,
1276 WLAN_EID_GENERIC = 221,
1277 WLAN_EID_VENDOR_SPECIFIC = 221,
1278 WLAN_EID_QOS_PARAMETER = 222,
1280 WLAN_EID_AP_CHAN_REPORT = 51,
1281 WLAN_EID_NEIGHBOR_REPORT = 52,
1283 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1284 WLAN_EID_ANTENNA_INFO = 64,
1286 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1287 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1288 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1289 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1290 WLAN_EID_MULTIPLE_BSSID = 71,
1291 WLAN_EID_BSS_COEX_2040 = 72,
1292 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1293 WLAN_EID_EXT_CAPABILITY = 127,
1295 WLAN_EID_MOBILITY_DOMAIN = 54,
1296 WLAN_EID_FAST_BSS_TRANSITION = 55,
1297 WLAN_EID_TIMEOUT_INTERVAL = 56,
1298 WLAN_EID_RIC_DATA = 57,
1299 WLAN_EID_RIC_DESCRIPTOR = 75,
1301 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1302 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1303 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1306 /* Action category code */
1307 enum ieee80211_category {
1308 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1309 WLAN_CATEGORY_QOS = 1,
1310 WLAN_CATEGORY_DLS = 2,
1311 WLAN_CATEGORY_BACK = 3,
1312 WLAN_CATEGORY_PUBLIC = 4,
1313 WLAN_CATEGORY_HT = 7,
1314 WLAN_CATEGORY_SA_QUERY = 8,
1315 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1316 WLAN_CATEGORY_MESH_ACTION = 13,
1317 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1318 WLAN_CATEGORY_SELF_PROTECTED = 15,
1319 WLAN_CATEGORY_WMM = 17,
1320 /* TODO: remove MESH_PATH_SEL after mesh is updated
1321 * to current 802.11s draft */
1322 WLAN_CATEGORY_MESH_PATH_SEL = 32,
1323 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1324 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1327 /* SPECTRUM_MGMT action code */
1328 enum ieee80211_spectrum_mgmt_actioncode {
1329 WLAN_ACTION_SPCT_MSR_REQ = 0,
1330 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1331 WLAN_ACTION_SPCT_TPC_REQ = 2,
1332 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1333 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1336 /* HT action codes */
1337 enum ieee80211_ht_actioncode {
1338 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1339 WLAN_HT_ACTION_SMPS = 1,
1340 WLAN_HT_ACTION_PSMP = 2,
1341 WLAN_HT_ACTION_PCO_PHASE = 3,
1342 WLAN_HT_ACTION_CSI = 4,
1343 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1344 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1345 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1348 /* Self Protected Action codes */
1349 enum ieee80211_self_protected_actioncode {
1350 WLAN_SP_RESERVED = 0,
1351 WLAN_SP_MESH_PEERING_OPEN = 1,
1352 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1353 WLAN_SP_MESH_PEERING_CLOSE = 3,
1354 WLAN_SP_MGK_INFORM = 4,
1355 WLAN_SP_MGK_ACK = 5,
1358 /* Security key length */
1359 enum ieee80211_key_len {
1360 WLAN_KEY_LEN_WEP40 = 5,
1361 WLAN_KEY_LEN_WEP104 = 13,
1362 WLAN_KEY_LEN_CCMP = 16,
1363 WLAN_KEY_LEN_TKIP = 32,
1364 WLAN_KEY_LEN_AES_CMAC = 16,
1368 * enum - mesh path selection protocol identifier
1370 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1371 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1372 * be specified in a vendor specific information element
1375 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1376 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1380 * enum - mesh path selection metric identifier
1382 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1383 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1384 * specified in a vendor specific information element
1387 IEEE80211_PATH_METRIC_AIRTIME = 0,
1388 IEEE80211_PATH_METRIC_VENDOR = 255,
1393 * IEEE 802.11-2007 7.3.2.9 Country information element
1395 * Minimum length is 8 octets, ie len must be evenly
1399 /* Although the spec says 8 I'm seeing 6 in practice */
1400 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1402 /* The Country String field of the element shall be 3 octets in length */
1403 #define IEEE80211_COUNTRY_STRING_LEN 3
1406 * For regulatory extension stuff see IEEE 802.11-2007
1407 * Annex I (page 1141) and Annex J (page 1147). Also
1410 * When dot11RegulatoryClassesRequired is true and the
1411 * first_channel/reg_extension_id is >= 201 then the IE
1412 * compromises of the 'ext' struct represented below:
1414 * - Regulatory extension ID - when generating IE this just needs
1415 * to be monotonically increasing for each triplet passed in
1417 * - Regulatory class - index into set of rules
1418 * - Coverage class - index into air propagation time (Table 7-27),
1419 * in microseconds, you can compute the air propagation time from
1420 * the index by multiplying by 3, so index 10 yields a propagation
1421 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1422 * yet. A value of 0 inicates air propagation of <= 1 us.
1424 * See also Table I.2 for Emission limit sets and table
1425 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1426 * a reg_class to an emission limit set and behavior limit set.
1428 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1431 * Channels numbers in the IE must be monotonically increasing
1432 * if dot11RegulatoryClassesRequired is not true.
1434 * If dot11RegulatoryClassesRequired is true consecutive
1435 * subband triplets following a regulatory triplet shall
1436 * have monotonically increasing first_channel number fields.
1438 * Channel numbers shall not overlap.
1440 * Note that max_power is signed.
1442 struct ieee80211_country_ie_triplet {
1448 } __attribute__ ((packed)) chans;
1450 u8 reg_extension_id;
1453 } __attribute__ ((packed)) ext;
1455 } __attribute__ ((packed));
1457 enum ieee80211_timeout_interval_type {
1458 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1459 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1460 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1463 /* BACK action code */
1464 enum ieee80211_back_actioncode {
1465 WLAN_ACTION_ADDBA_REQ = 0,
1466 WLAN_ACTION_ADDBA_RESP = 1,
1467 WLAN_ACTION_DELBA = 2,
1470 /* BACK (block-ack) parties */
1471 enum ieee80211_back_parties {
1472 WLAN_BACK_RECIPIENT = 0,
1473 WLAN_BACK_INITIATOR = 1,
1476 /* SA Query action */
1477 enum ieee80211_sa_query_action {
1478 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1479 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1483 /* cipher suite selectors */
1484 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1485 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1486 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1487 /* reserved: 0x000FAC03 */
1488 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1489 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1490 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1492 /* AKM suite selectors */
1493 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1494 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1495 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1496 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1498 #define WLAN_MAX_KEY_LEN 32
1500 #define WLAN_PMKID_LEN 16
1503 * WMM/802.11e Tspec Element
1505 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1506 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1508 enum ieee80211_tspec_status_code {
1509 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1510 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1513 struct ieee80211_tspec_ie {
1522 __le16 nominal_msdu;
1524 __le32 min_service_int;
1525 __le32 max_service_int;
1526 __le32 inactivity_int;
1527 __le32 suspension_int;
1528 __le32 service_start_time;
1529 __le32 min_data_rate;
1530 __le32 mean_data_rate;
1531 __le32 peak_data_rate;
1532 __le32 max_burst_size;
1534 __le32 min_phy_rate;
1540 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1543 * The qos ctrl bytes come after the frame_control, duration, seq_num
1544 * and 3 or 4 addresses of length ETH_ALEN.
1545 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1546 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1548 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1550 if (ieee80211_has_a4(hdr->frame_control))
1551 return (u8 *)hdr + 30;
1553 return (u8 *)hdr + 24;
1557 * ieee80211_get_SA - get pointer to SA
1560 * Given an 802.11 frame, this function returns the offset
1561 * to the source address (SA). It does not verify that the
1562 * header is long enough to contain the address, and the
1563 * header must be long enough to contain the frame control
1566 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1568 if (ieee80211_has_a4(hdr->frame_control))
1570 if (ieee80211_has_fromds(hdr->frame_control))
1576 * ieee80211_get_DA - get pointer to DA
1579 * Given an 802.11 frame, this function returns the offset
1580 * to the destination address (DA). It does not verify that
1581 * the header is long enough to contain the address, and the
1582 * header must be long enough to contain the frame control
1585 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1587 if (ieee80211_has_tods(hdr->frame_control))
1594 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1595 * @hdr: the frame (buffer must include at least the first octet of payload)
1597 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1599 if (ieee80211_is_disassoc(hdr->frame_control) ||
1600 ieee80211_is_deauth(hdr->frame_control))
1603 if (ieee80211_is_action(hdr->frame_control)) {
1607 * Action frames, excluding Public Action frames, are Robust
1608 * Management Frames. However, if we are looking at a Protected
1609 * frame, skip the check since the data may be encrypted and
1610 * the frame has already been found to be a Robust Management
1611 * Frame (by the other end).
1613 if (ieee80211_has_protected(hdr->frame_control))
1615 category = ((u8 *) hdr) + 24;
1616 return *category != WLAN_CATEGORY_PUBLIC &&
1617 *category != WLAN_CATEGORY_HT &&
1618 *category != WLAN_CATEGORY_SELF_PROTECTED &&
1619 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1626 * ieee80211_fhss_chan_to_freq - get channel frequency
1627 * @channel: the FHSS channel
1629 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1630 * Ref IEEE 802.11-2007 section 14.6
1632 static inline int ieee80211_fhss_chan_to_freq(int channel)
1634 if ((channel > 1) && (channel < 96))
1635 return channel + 2400;
1641 * ieee80211_freq_to_fhss_chan - get channel
1642 * @freq: the channels frequency
1644 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1645 * Ref IEEE 802.11-2007 section 14.6
1647 static inline int ieee80211_freq_to_fhss_chan(int freq)
1649 if ((freq > 2401) && (freq < 2496))
1656 * ieee80211_dsss_chan_to_freq - get channel center frequency
1657 * @channel: the DSSS channel
1659 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1660 * Ref IEEE 802.11-2007 section 15.6
1662 static inline int ieee80211_dsss_chan_to_freq(int channel)
1664 if ((channel > 0) && (channel < 14))
1665 return 2407 + (channel * 5);
1666 else if (channel == 14)
1673 * ieee80211_freq_to_dsss_chan - get channel
1674 * @freq: the frequency
1676 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1677 * Ref IEEE 802.11-2007 section 15.6
1679 * This routine selects the channel with the closest center frequency.
1681 static inline int ieee80211_freq_to_dsss_chan(int freq)
1683 if ((freq >= 2410) && (freq < 2475))
1684 return (freq - 2405) / 5;
1685 else if ((freq >= 2482) && (freq < 2487))
1691 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1692 * Ref IEEE 802.11-2007 section 18.4.6.2
1694 * The channels and frequencies are the same as those defined for DSSS
1696 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1697 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1699 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1700 * Ref IEEE 802.11-2007 section 19.4.2
1702 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1703 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1706 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1707 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1708 * @channel: the OFDM channel
1710 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1711 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1713 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1715 if ((channel > 0) && (channel <= 200) &&
1717 return s_freq + (channel * 5);
1723 * ieee80211_freq_to_ofdm_channel - get channel
1724 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1725 * @freq: the frequency
1727 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1728 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1730 * This routine selects the channel with the closest center frequency.
1732 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1734 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1736 return (freq + 2 - s_freq) / 5;
1742 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1745 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1751 * ieee80211_check_tim - check if AID bit is set in TIM
1753 * @tim_len: length of the TIM IE
1754 * @aid: the AID to look for
1756 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1757 u8 tim_len, u16 aid)
1760 u8 indexn0, indexn1, indexn2;
1762 if (unlikely(!tim || tim_len < sizeof(*tim)))
1767 mask = 1 << (aid & 7);
1769 indexn1 = tim->bitmap_ctrl & 0xfe;
1770 indexn2 = tim_len + indexn1 - 4;
1772 if (indexn0 < indexn1 || indexn0 > indexn2)
1777 return !!(tim->virtual_map[indexn0] & mask);
1780 #endif /* __LINUX_IEEE80211_H */