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
117 #define IEEE80211_QOS_CTL_TID_MASK 0x000F
118 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
120 /* U-APSD queue for WMM IEs sent by AP */
121 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
122 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
124 /* U-APSD queues for WMM IEs sent by STA */
125 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
126 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
127 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
128 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
129 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
131 /* U-APSD max SP length for WMM IEs sent by STA */
132 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
133 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
134 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
135 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
136 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
137 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
139 #define IEEE80211_HT_CTL_LEN 4
141 struct ieee80211_hdr {
142 __le16 frame_control;
149 } __attribute__ ((packed));
151 struct ieee80211_hdr_3addr {
152 __le16 frame_control;
158 } __attribute__ ((packed));
160 struct ieee80211_qos_hdr {
161 __le16 frame_control;
168 } __attribute__ ((packed));
171 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
172 * @fc: frame control bytes in little-endian byteorder
174 static inline int ieee80211_has_tods(__le16 fc)
176 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
180 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
181 * @fc: frame control bytes in little-endian byteorder
183 static inline int ieee80211_has_fromds(__le16 fc)
185 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
189 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
190 * @fc: frame control bytes in little-endian byteorder
192 static inline int ieee80211_has_a4(__le16 fc)
194 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
195 return (fc & tmp) == tmp;
199 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
200 * @fc: frame control bytes in little-endian byteorder
202 static inline int ieee80211_has_morefrags(__le16 fc)
204 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
208 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
209 * @fc: frame control bytes in little-endian byteorder
211 static inline int ieee80211_has_retry(__le16 fc)
213 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
217 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
218 * @fc: frame control bytes in little-endian byteorder
220 static inline int ieee80211_has_pm(__le16 fc)
222 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
226 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
227 * @fc: frame control bytes in little-endian byteorder
229 static inline int ieee80211_has_moredata(__le16 fc)
231 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
235 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
236 * @fc: frame control bytes in little-endian byteorder
238 static inline int ieee80211_has_protected(__le16 fc)
240 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
244 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
245 * @fc: frame control bytes in little-endian byteorder
247 static inline int ieee80211_has_order(__le16 fc)
249 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
253 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
254 * @fc: frame control bytes in little-endian byteorder
256 static inline int ieee80211_is_mgmt(__le16 fc)
258 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
259 cpu_to_le16(IEEE80211_FTYPE_MGMT);
263 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
264 * @fc: frame control bytes in little-endian byteorder
266 static inline int ieee80211_is_ctl(__le16 fc)
268 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
269 cpu_to_le16(IEEE80211_FTYPE_CTL);
273 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
274 * @fc: frame control bytes in little-endian byteorder
276 static inline int ieee80211_is_data(__le16 fc)
278 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
279 cpu_to_le16(IEEE80211_FTYPE_DATA);
283 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
284 * @fc: frame control bytes in little-endian byteorder
286 static inline int ieee80211_is_data_qos(__le16 fc)
289 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
290 * to check the one bit
292 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
293 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
297 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
298 * @fc: frame control bytes in little-endian byteorder
300 static inline int ieee80211_is_data_present(__le16 fc)
303 * mask with 0x40 and test that that bit is clear to only return true
304 * for the data-containing substypes.
306 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
307 cpu_to_le16(IEEE80211_FTYPE_DATA);
311 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
312 * @fc: frame control bytes in little-endian byteorder
314 static inline int ieee80211_is_assoc_req(__le16 fc)
316 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
317 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
321 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
322 * @fc: frame control bytes in little-endian byteorder
324 static inline int ieee80211_is_assoc_resp(__le16 fc)
326 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
327 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
331 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
332 * @fc: frame control bytes in little-endian byteorder
334 static inline int ieee80211_is_reassoc_req(__le16 fc)
336 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
337 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
341 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
342 * @fc: frame control bytes in little-endian byteorder
344 static inline int ieee80211_is_reassoc_resp(__le16 fc)
346 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
347 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
351 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
352 * @fc: frame control bytes in little-endian byteorder
354 static inline int ieee80211_is_probe_req(__le16 fc)
356 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
357 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
361 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
362 * @fc: frame control bytes in little-endian byteorder
364 static inline int ieee80211_is_probe_resp(__le16 fc)
366 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
367 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
371 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
372 * @fc: frame control bytes in little-endian byteorder
374 static inline int ieee80211_is_beacon(__le16 fc)
376 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
377 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
381 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
382 * @fc: frame control bytes in little-endian byteorder
384 static inline int ieee80211_is_atim(__le16 fc)
386 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
387 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
391 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
392 * @fc: frame control bytes in little-endian byteorder
394 static inline int ieee80211_is_disassoc(__le16 fc)
396 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
397 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
401 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
402 * @fc: frame control bytes in little-endian byteorder
404 static inline int ieee80211_is_auth(__le16 fc)
406 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
407 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
411 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
412 * @fc: frame control bytes in little-endian byteorder
414 static inline int ieee80211_is_deauth(__le16 fc)
416 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
417 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
421 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
422 * @fc: frame control bytes in little-endian byteorder
424 static inline int ieee80211_is_action(__le16 fc)
426 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
427 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
431 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
432 * @fc: frame control bytes in little-endian byteorder
434 static inline int ieee80211_is_back_req(__le16 fc)
436 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
437 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
441 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
442 * @fc: frame control bytes in little-endian byteorder
444 static inline int ieee80211_is_back(__le16 fc)
446 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
447 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
451 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
452 * @fc: frame control bytes in little-endian byteorder
454 static inline int ieee80211_is_pspoll(__le16 fc)
456 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
457 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
461 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
462 * @fc: frame control bytes in little-endian byteorder
464 static inline int ieee80211_is_rts(__le16 fc)
466 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
467 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
471 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
472 * @fc: frame control bytes in little-endian byteorder
474 static inline int ieee80211_is_cts(__le16 fc)
476 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
477 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
481 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
482 * @fc: frame control bytes in little-endian byteorder
484 static inline int ieee80211_is_ack(__le16 fc)
486 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
487 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
491 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
492 * @fc: frame control bytes in little-endian byteorder
494 static inline int ieee80211_is_cfend(__le16 fc)
496 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
497 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
501 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
502 * @fc: frame control bytes in little-endian byteorder
504 static inline int ieee80211_is_cfendack(__le16 fc)
506 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
507 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
511 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
512 * @fc: frame control bytes in little-endian byteorder
514 static inline int ieee80211_is_nullfunc(__le16 fc)
516 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
517 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
521 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
522 * @fc: frame control bytes in little-endian byteorder
524 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
526 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
527 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
530 struct ieee80211s_hdr {
537 } __attribute__ ((packed));
540 #define MESH_FLAGS_AE_A4 0x1
541 #define MESH_FLAGS_AE_A5_A6 0x2
542 #define MESH_FLAGS_AE 0x3
543 #define MESH_FLAGS_PS_DEEP 0x4
546 * struct ieee80211_quiet_ie
548 * This structure refers to "Quiet information element"
550 struct ieee80211_quiet_ie {
555 } __attribute__ ((packed));
558 * struct ieee80211_msrment_ie
560 * This structure refers to "Measurement Request/Report information element"
562 struct ieee80211_msrment_ie {
567 } __attribute__ ((packed));
570 * struct ieee80211_channel_sw_ie
572 * This structure refers to "Channel Switch Announcement information element"
574 struct ieee80211_channel_sw_ie {
578 } __attribute__ ((packed));
581 * struct ieee80211_tim
583 * This structure refers to "Traffic Indication Map information element"
585 struct ieee80211_tim_ie {
589 /* variable size: 1 - 251 bytes */
591 } __attribute__ ((packed));
594 * struct ieee80211_meshconf_ie
596 * This structure refers to "Mesh Configuration information element"
598 struct ieee80211_meshconf_ie {
606 } __attribute__ ((packed));
609 * struct ieee80211_rann_ie
611 * This structure refers to "Root Announcement information element"
613 struct ieee80211_rann_ie {
620 } __attribute__ ((packed));
622 #define WLAN_SA_QUERY_TR_ID_LEN 2
624 struct ieee80211_mgmt {
625 __le16 frame_control;
634 __le16 auth_transaction;
636 /* possibly followed by Challenge text */
638 } __attribute__ ((packed)) auth;
641 } __attribute__ ((packed)) deauth;
644 __le16 listen_interval;
645 /* followed by SSID and Supported rates */
647 } __attribute__ ((packed)) assoc_req;
652 /* followed by Supported rates */
654 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
657 __le16 listen_interval;
659 /* followed by SSID and Supported rates */
661 } __attribute__ ((packed)) reassoc_req;
664 } __attribute__ ((packed)) disassoc;
669 /* followed by some of SSID, Supported rates,
670 * FH Params, DS Params, CF Params, IBSS Params, TIM */
672 } __attribute__ ((packed)) beacon;
674 /* only variable items: SSID, Supported rates */
676 } __attribute__ ((packed)) probe_req;
681 /* followed by some of SSID, Supported rates,
682 * FH Params, DS Params, CF Params, IBSS Params */
684 } __attribute__ ((packed)) probe_resp;
693 } __attribute__ ((packed)) wme_action;
698 struct ieee80211_channel_sw_ie sw_elem;
699 } __attribute__((packed)) chan_switch;
705 struct ieee80211_msrment_ie msr_elem;
706 } __attribute__((packed)) measurement;
712 __le16 start_seq_num;
713 } __attribute__((packed)) addba_req;
720 } __attribute__((packed)) addba_resp;
725 } __attribute__((packed)) delba;
728 /* capab_info for open and confirm,
732 /* Followed in plink_confirm by status
733 * code, AID and supported rates,
734 * and directly by supported rates in
735 * plink_open and plink_close
738 } __attribute__((packed)) plink_action;
742 } __attribute__((packed)) mesh_action;
745 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
746 } __attribute__ ((packed)) sa_query;
750 } __attribute__ ((packed)) ht_smps;
752 } __attribute__ ((packed)) action;
754 } __attribute__ ((packed));
756 /* mgmt header + 1 byte category code */
757 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
760 /* Management MIC information element (IEEE 802.11w) */
761 struct ieee80211_mmie {
765 u8 sequence_number[6];
767 } __attribute__ ((packed));
770 struct ieee80211_rts {
771 __le16 frame_control;
775 } __attribute__ ((packed));
777 struct ieee80211_cts {
778 __le16 frame_control;
781 } __attribute__ ((packed));
783 struct ieee80211_pspoll {
784 __le16 frame_control;
788 } __attribute__ ((packed));
791 * struct ieee80211_bar - HT Block Ack Request
793 * This structure refers to "HT BlockAckReq" as
794 * described in 802.11n draft section 7.2.1.7.1
796 struct ieee80211_bar {
797 __le16 frame_control;
802 __le16 start_seq_num;
803 } __attribute__((packed)) __aligned(4);
805 /* 802.11 BA(R) control masks */
806 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
807 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
808 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
811 * struct ieee80211_ba - HT Block Ack
813 * This structure refers to "HT BlockAck" as
814 * described in 802.11n draft section 7.2.1.8.1
816 struct ieee80211_ba {
817 __le16 frame_control;
823 __le16 start_seq_num;
825 } __attribute__((packed));
827 #define IEEE80211_HT_MCS_MASK_LEN 10
830 * struct ieee80211_mcs_info - MCS information
832 * @rx_highest: highest supported RX rate. If set represents
833 * the highest supported RX data rate in units of 1 Mbps.
834 * If this field is 0 this value should not be used to
835 * consider the highest RX data rate supported.
836 * @tx_params: TX parameters
838 struct ieee80211_mcs_info {
839 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
843 } __attribute__((packed));
845 /* 802.11n HT capability MSC set */
846 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
847 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
848 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
849 /* value 0 == 1 stream etc */
850 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
851 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
852 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
853 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
856 * 802.11n D5.0 20.3.5 / 20.6 says:
857 * - indices 0 to 7 and 32 are single spatial stream
858 * - 8 to 31 are multiple spatial streams using equal modulation
859 * [8..15 for two streams, 16..23 for three and 24..31 for four]
860 * - remainder are multiple spatial streams using unequal modulation
862 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
863 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
864 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
867 * struct ieee80211_ht_cap - HT capabilities
869 * This structure is the "HT capabilities element" as
870 * described in 802.11n D5.0 7.3.2.57
872 struct ieee80211_ht_cap {
874 u8 ampdu_params_info;
876 /* 16 bytes MCS information */
877 struct ieee80211_mcs_info mcs;
879 __le16 extended_ht_cap_info;
880 __le32 tx_BF_cap_info;
881 u8 antenna_selection_info;
882 } __attribute__ ((packed));
884 /* 802.11n HT capabilities masks (for cap_info) */
885 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
886 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
887 #define IEEE80211_HT_CAP_SM_PS 0x000C
888 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
889 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
890 #define IEEE80211_HT_CAP_SGI_20 0x0020
891 #define IEEE80211_HT_CAP_SGI_40 0x0040
892 #define IEEE80211_HT_CAP_TX_STBC 0x0080
893 #define IEEE80211_HT_CAP_RX_STBC 0x0300
894 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
895 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
896 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
897 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
898 #define IEEE80211_HT_CAP_RESERVED 0x2000
899 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
900 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
902 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
903 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
904 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
905 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
908 * Maximum length of AMPDU that the STA can receive.
909 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
911 enum ieee80211_max_ampdu_length_exp {
912 IEEE80211_HT_MAX_AMPDU_8K = 0,
913 IEEE80211_HT_MAX_AMPDU_16K = 1,
914 IEEE80211_HT_MAX_AMPDU_32K = 2,
915 IEEE80211_HT_MAX_AMPDU_64K = 3
918 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
920 /* Minimum MPDU start spacing */
921 enum ieee80211_min_mpdu_spacing {
922 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
923 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
924 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
925 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
926 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
927 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
928 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
929 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
933 * struct ieee80211_ht_info - HT information
935 * This structure is the "HT information element" as
936 * described in 802.11n D5.0 7.3.2.58
938 struct ieee80211_ht_info {
941 __le16 operation_mode;
944 } __attribute__ ((packed));
947 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
948 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
949 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
950 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
951 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
952 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
953 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
954 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
956 /* for operation_mode */
957 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
958 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
959 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
960 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
961 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
962 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
963 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
966 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
967 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
968 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
969 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
970 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
971 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
974 /* block-ack parameters */
975 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
976 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
977 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
978 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
979 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
982 * A-PMDU buffer sizes
983 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
985 #define IEEE80211_MIN_AMPDU_BUF 0x8
986 #define IEEE80211_MAX_AMPDU_BUF 0x40
989 /* Spatial Multiplexing Power Save Modes (for capability) */
990 #define WLAN_HT_CAP_SM_PS_STATIC 0
991 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
992 #define WLAN_HT_CAP_SM_PS_INVALID 2
993 #define WLAN_HT_CAP_SM_PS_DISABLED 3
995 /* for SM power control field lower two bits */
996 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
997 #define WLAN_HT_SMPS_CONTROL_STATIC 1
998 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1000 /* Authentication algorithms */
1001 #define WLAN_AUTH_OPEN 0
1002 #define WLAN_AUTH_SHARED_KEY 1
1003 #define WLAN_AUTH_FT 2
1004 #define WLAN_AUTH_SAE 3
1005 #define WLAN_AUTH_LEAP 128
1007 #define WLAN_AUTH_CHALLENGE_LEN 128
1009 #define WLAN_CAPABILITY_ESS (1<<0)
1010 #define WLAN_CAPABILITY_IBSS (1<<1)
1011 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1012 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1013 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1014 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1015 #define WLAN_CAPABILITY_PBCC (1<<6)
1016 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1019 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1020 #define WLAN_CAPABILITY_QOS (1<<9)
1021 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1022 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1024 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1025 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1026 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1028 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1029 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1030 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1033 /* 802.11g ERP information element */
1034 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1035 #define WLAN_ERP_USE_PROTECTION (1<<1)
1036 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1038 /* WLAN_ERP_BARKER_PREAMBLE values */
1040 WLAN_ERP_PREAMBLE_SHORT = 0,
1041 WLAN_ERP_PREAMBLE_LONG = 1,
1045 enum ieee80211_statuscode {
1046 WLAN_STATUS_SUCCESS = 0,
1047 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1048 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1049 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1050 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1051 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1052 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1053 WLAN_STATUS_CHALLENGE_FAIL = 15,
1054 WLAN_STATUS_AUTH_TIMEOUT = 16,
1055 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1056 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1058 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1059 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1060 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1062 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1063 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1064 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1066 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1067 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1069 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1070 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1072 WLAN_STATUS_INVALID_IE = 40,
1073 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1074 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1075 WLAN_STATUS_INVALID_AKMP = 43,
1076 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1077 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1078 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1080 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1081 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1082 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1083 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1084 WLAN_STATUS_REQUEST_DECLINED = 37,
1085 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1086 WLAN_STATUS_CHANGE_TSPEC = 39,
1087 WLAN_STATUS_WAIT_TS_DELAY = 47,
1088 WLAN_STATUS_NO_DIRECT_LINK = 48,
1089 WLAN_STATUS_STA_NOT_PRESENT = 49,
1090 WLAN_STATUS_STA_NOT_QSTA = 50,
1092 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1093 WLAN_STATUS_FCG_NOT_SUPP = 78,
1094 WLAN_STATUS_STA_NO_TBTT = 78,
1099 enum ieee80211_reasoncode {
1100 WLAN_REASON_UNSPECIFIED = 1,
1101 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1102 WLAN_REASON_DEAUTH_LEAVING = 3,
1103 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1104 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1105 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1106 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1107 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1108 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1110 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1111 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1113 WLAN_REASON_INVALID_IE = 13,
1114 WLAN_REASON_MIC_FAILURE = 14,
1115 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1116 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1117 WLAN_REASON_IE_DIFFERENT = 17,
1118 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1119 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1120 WLAN_REASON_INVALID_AKMP = 20,
1121 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1122 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1123 WLAN_REASON_IEEE8021X_FAILED = 23,
1124 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1126 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1127 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1128 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1129 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1130 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1131 WLAN_REASON_QSTA_NOT_USE = 37,
1132 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1133 WLAN_REASON_QSTA_TIMEOUT = 39,
1134 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1136 WLAN_REASON_MESH_PEER_CANCELED = 52,
1137 WLAN_REASON_MESH_MAX_PEERS = 53,
1138 WLAN_REASON_MESH_CONFIG = 54,
1139 WLAN_REASON_MESH_CLOSE = 55,
1140 WLAN_REASON_MESH_MAX_RETRIES = 56,
1141 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1142 WLAN_REASON_MESH_INVALID_GTK = 58,
1143 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1144 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1145 WLAN_REASON_MESH_PATH_ERROR = 61,
1146 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1147 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1148 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1149 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1150 WLAN_REASON_MESH_CHAN = 66,
1154 /* Information Element IDs */
1155 enum ieee80211_eid {
1157 WLAN_EID_SUPP_RATES = 1,
1158 WLAN_EID_FH_PARAMS = 2,
1159 WLAN_EID_DS_PARAMS = 3,
1160 WLAN_EID_CF_PARAMS = 4,
1162 WLAN_EID_IBSS_PARAMS = 6,
1163 WLAN_EID_CHALLENGE = 16,
1165 WLAN_EID_COUNTRY = 7,
1166 WLAN_EID_HP_PARAMS = 8,
1167 WLAN_EID_HP_TABLE = 9,
1168 WLAN_EID_REQUEST = 10,
1170 WLAN_EID_QBSS_LOAD = 11,
1171 WLAN_EID_EDCA_PARAM_SET = 12,
1172 WLAN_EID_TSPEC = 13,
1173 WLAN_EID_TCLAS = 14,
1174 WLAN_EID_SCHEDULE = 15,
1175 WLAN_EID_TS_DELAY = 43,
1176 WLAN_EID_TCLAS_PROCESSING = 44,
1177 WLAN_EID_QOS_CAPA = 46,
1179 WLAN_EID_MESH_CONFIG = 113,
1180 WLAN_EID_MESH_ID = 114,
1181 WLAN_EID_LINK_METRIC_REPORT = 115,
1182 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1183 /* Note that the Peer Link IE has been replaced with the similar
1184 * Peer Management IE. We will keep the former definition until mesh
1185 * code is changed to comply with latest 802.11s drafts.
1187 WLAN_EID_PEER_LINK = 55, /* no longer in 802.11s drafts */
1188 WLAN_EID_PEER_MGMT = 117,
1189 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1190 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1191 WLAN_EID_BEACON_TIMING = 120,
1192 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1193 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1194 WLAN_EID_MCCAOP_ADVERT = 123,
1195 WLAN_EID_MCCAOP_TEARDOWN = 124,
1196 WLAN_EID_GANN = 125,
1197 WLAN_EID_RANN = 126,
1198 WLAN_EID_PREQ = 130,
1199 WLAN_EID_PREP = 131,
1200 WLAN_EID_PERR = 132,
1202 WLAN_EID_PXUC = 138,
1203 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1206 WLAN_EID_PWR_CONSTRAINT = 32,
1207 WLAN_EID_PWR_CAPABILITY = 33,
1208 WLAN_EID_TPC_REQUEST = 34,
1209 WLAN_EID_TPC_REPORT = 35,
1210 WLAN_EID_SUPPORTED_CHANNELS = 36,
1211 WLAN_EID_CHANNEL_SWITCH = 37,
1212 WLAN_EID_MEASURE_REQUEST = 38,
1213 WLAN_EID_MEASURE_REPORT = 39,
1214 WLAN_EID_QUIET = 40,
1215 WLAN_EID_IBSS_DFS = 41,
1217 WLAN_EID_ERP_INFO = 42,
1218 WLAN_EID_EXT_SUPP_RATES = 50,
1220 WLAN_EID_HT_CAPABILITY = 45,
1221 WLAN_EID_HT_INFORMATION = 61,
1226 WLAN_EID_GENERIC = 221,
1227 WLAN_EID_VENDOR_SPECIFIC = 221,
1228 WLAN_EID_QOS_PARAMETER = 222,
1230 WLAN_EID_AP_CHAN_REPORT = 51,
1231 WLAN_EID_NEIGHBOR_REPORT = 52,
1233 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1234 WLAN_EID_ANTENNA_INFO = 64,
1236 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1237 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1238 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1239 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1240 WLAN_EID_MULTIPLE_BSSID = 71,
1241 WLAN_EID_BSS_COEX_2040 = 72,
1242 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1243 WLAN_EID_EXT_CAPABILITY = 127,
1245 WLAN_EID_MOBILITY_DOMAIN = 54,
1246 WLAN_EID_FAST_BSS_TRANSITION = 55,
1247 WLAN_EID_TIMEOUT_INTERVAL = 56,
1248 WLAN_EID_RIC_DATA = 57,
1249 WLAN_EID_RIC_DESCRIPTOR = 75,
1251 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1252 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1253 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1256 /* Action category code */
1257 enum ieee80211_category {
1258 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1259 WLAN_CATEGORY_QOS = 1,
1260 WLAN_CATEGORY_DLS = 2,
1261 WLAN_CATEGORY_BACK = 3,
1262 WLAN_CATEGORY_PUBLIC = 4,
1263 WLAN_CATEGORY_HT = 7,
1264 WLAN_CATEGORY_SA_QUERY = 8,
1265 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1266 WLAN_CATEGORY_MESH_ACTION = 13,
1267 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1268 WLAN_CATEGORY_SELF_PROTECTED = 15,
1269 WLAN_CATEGORY_WMM = 17,
1270 /* TODO: remove MESH_PLINK and MESH_PATH_SEL after */
1271 /* mesh is updated to current 802.11s draft */
1272 WLAN_CATEGORY_MESH_PLINK = 30,
1273 WLAN_CATEGORY_MESH_PATH_SEL = 32,
1274 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1275 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1278 /* SPECTRUM_MGMT action code */
1279 enum ieee80211_spectrum_mgmt_actioncode {
1280 WLAN_ACTION_SPCT_MSR_REQ = 0,
1281 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1282 WLAN_ACTION_SPCT_TPC_REQ = 2,
1283 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1284 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1287 /* HT action codes */
1288 enum ieee80211_ht_actioncode {
1289 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1290 WLAN_HT_ACTION_SMPS = 1,
1291 WLAN_HT_ACTION_PSMP = 2,
1292 WLAN_HT_ACTION_PCO_PHASE = 3,
1293 WLAN_HT_ACTION_CSI = 4,
1294 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1295 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1296 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1299 /* Security key length */
1300 enum ieee80211_key_len {
1301 WLAN_KEY_LEN_WEP40 = 5,
1302 WLAN_KEY_LEN_WEP104 = 13,
1303 WLAN_KEY_LEN_CCMP = 16,
1304 WLAN_KEY_LEN_TKIP = 32,
1305 WLAN_KEY_LEN_AES_CMAC = 16,
1309 * IEEE 802.11-2007 7.3.2.9 Country information element
1311 * Minimum length is 8 octets, ie len must be evenly
1315 /* Although the spec says 8 I'm seeing 6 in practice */
1316 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1319 * For regulatory extension stuff see IEEE 802.11-2007
1320 * Annex I (page 1141) and Annex J (page 1147). Also
1323 * When dot11RegulatoryClassesRequired is true and the
1324 * first_channel/reg_extension_id is >= 201 then the IE
1325 * compromises of the 'ext' struct represented below:
1327 * - Regulatory extension ID - when generating IE this just needs
1328 * to be monotonically increasing for each triplet passed in
1330 * - Regulatory class - index into set of rules
1331 * - Coverage class - index into air propagation time (Table 7-27),
1332 * in microseconds, you can compute the air propagation time from
1333 * the index by multiplying by 3, so index 10 yields a propagation
1334 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1335 * yet. A value of 0 inicates air propagation of <= 1 us.
1337 * See also Table I.2 for Emission limit sets and table
1338 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1339 * a reg_class to an emission limit set and behavior limit set.
1341 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1344 * Channels numbers in the IE must be monotonically increasing
1345 * if dot11RegulatoryClassesRequired is not true.
1347 * If dot11RegulatoryClassesRequired is true consecutive
1348 * subband triplets following a regulatory triplet shall
1349 * have monotonically increasing first_channel number fields.
1351 * Channel numbers shall not overlap.
1353 * Note that max_power is signed.
1355 struct ieee80211_country_ie_triplet {
1361 } __attribute__ ((packed)) chans;
1363 u8 reg_extension_id;
1366 } __attribute__ ((packed)) ext;
1368 } __attribute__ ((packed));
1370 enum ieee80211_timeout_interval_type {
1371 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1372 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1373 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1376 /* BACK action code */
1377 enum ieee80211_back_actioncode {
1378 WLAN_ACTION_ADDBA_REQ = 0,
1379 WLAN_ACTION_ADDBA_RESP = 1,
1380 WLAN_ACTION_DELBA = 2,
1383 /* BACK (block-ack) parties */
1384 enum ieee80211_back_parties {
1385 WLAN_BACK_RECIPIENT = 0,
1386 WLAN_BACK_INITIATOR = 1,
1389 /* SA Query action */
1390 enum ieee80211_sa_query_action {
1391 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1392 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1396 /* A-MSDU 802.11n */
1397 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1399 /* cipher suite selectors */
1400 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1401 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1402 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1403 /* reserved: 0x000FAC03 */
1404 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1405 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1406 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1408 /* AKM suite selectors */
1409 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1410 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1411 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1412 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1414 #define WLAN_MAX_KEY_LEN 32
1416 #define WLAN_PMKID_LEN 16
1419 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1422 * The qos ctrl bytes come after the frame_control, duration, seq_num
1423 * and 3 or 4 addresses of length ETH_ALEN.
1424 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1425 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1427 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1429 if (ieee80211_has_a4(hdr->frame_control))
1430 return (u8 *)hdr + 30;
1432 return (u8 *)hdr + 24;
1436 * ieee80211_get_SA - get pointer to SA
1439 * Given an 802.11 frame, this function returns the offset
1440 * to the source address (SA). It does not verify that the
1441 * header is long enough to contain the address, and the
1442 * header must be long enough to contain the frame control
1445 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1447 if (ieee80211_has_a4(hdr->frame_control))
1449 if (ieee80211_has_fromds(hdr->frame_control))
1455 * ieee80211_get_DA - get pointer to DA
1458 * Given an 802.11 frame, this function returns the offset
1459 * to the destination address (DA). It does not verify that
1460 * the header is long enough to contain the address, and the
1461 * header must be long enough to contain the frame control
1464 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1466 if (ieee80211_has_tods(hdr->frame_control))
1473 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1474 * @hdr: the frame (buffer must include at least the first octet of payload)
1476 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1478 if (ieee80211_is_disassoc(hdr->frame_control) ||
1479 ieee80211_is_deauth(hdr->frame_control))
1482 if (ieee80211_is_action(hdr->frame_control)) {
1486 * Action frames, excluding Public Action frames, are Robust
1487 * Management Frames. However, if we are looking at a Protected
1488 * frame, skip the check since the data may be encrypted and
1489 * the frame has already been found to be a Robust Management
1490 * Frame (by the other end).
1492 if (ieee80211_has_protected(hdr->frame_control))
1494 category = ((u8 *) hdr) + 24;
1495 return *category != WLAN_CATEGORY_PUBLIC &&
1496 *category != WLAN_CATEGORY_HT &&
1497 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1504 * ieee80211_fhss_chan_to_freq - get channel frequency
1505 * @channel: the FHSS channel
1507 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1508 * Ref IEEE 802.11-2007 section 14.6
1510 static inline int ieee80211_fhss_chan_to_freq(int channel)
1512 if ((channel > 1) && (channel < 96))
1513 return channel + 2400;
1519 * ieee80211_freq_to_fhss_chan - get channel
1520 * @freq: the channels frequency
1522 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1523 * Ref IEEE 802.11-2007 section 14.6
1525 static inline int ieee80211_freq_to_fhss_chan(int freq)
1527 if ((freq > 2401) && (freq < 2496))
1534 * ieee80211_dsss_chan_to_freq - get channel center frequency
1535 * @channel: the DSSS channel
1537 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1538 * Ref IEEE 802.11-2007 section 15.6
1540 static inline int ieee80211_dsss_chan_to_freq(int channel)
1542 if ((channel > 0) && (channel < 14))
1543 return 2407 + (channel * 5);
1544 else if (channel == 14)
1551 * ieee80211_freq_to_dsss_chan - get channel
1552 * @freq: the frequency
1554 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1555 * Ref IEEE 802.11-2007 section 15.6
1557 * This routine selects the channel with the closest center frequency.
1559 static inline int ieee80211_freq_to_dsss_chan(int freq)
1561 if ((freq >= 2410) && (freq < 2475))
1562 return (freq - 2405) / 5;
1563 else if ((freq >= 2482) && (freq < 2487))
1569 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1570 * Ref IEEE 802.11-2007 section 18.4.6.2
1572 * The channels and frequencies are the same as those defined for DSSS
1574 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1575 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1577 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1578 * Ref IEEE 802.11-2007 section 19.4.2
1580 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1581 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1584 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1585 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1586 * @channel: the OFDM channel
1588 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1589 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1591 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1593 if ((channel > 0) && (channel <= 200) &&
1595 return s_freq + (channel * 5);
1601 * ieee80211_freq_to_ofdm_channel - get channel
1602 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1603 * @freq: the frequency
1605 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1606 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1608 * This routine selects the channel with the closest center frequency.
1610 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1612 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1614 return (freq + 2 - s_freq) / 5;
1620 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1623 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1629 * ieee80211_check_tim - check if AID bit is set in TIM
1631 * @tim_len: length of the TIM IE
1632 * @aid: the AID to look for
1634 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1635 u8 tim_len, u16 aid)
1638 u8 indexn0, indexn1, indexn2;
1640 if (unlikely(!tim || tim_len < sizeof(*tim)))
1645 mask = 1 << (aid & 7);
1647 indexn1 = tim->bitmap_ctrl & 0xfe;
1648 indexn2 = tim_len + indexn1 - 4;
1650 if (indexn0 < indexn1 || indexn0 > indexn2)
1655 return !!(tim->virtual_map[indexn0] & mask);
1658 #endif /* __LINUX_IEEE80211_H */