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)
123 /* U-APSD queues for WMM IEs sent by STA */
124 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
125 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
126 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
127 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
128 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
130 /* U-APSD max SP length for WMM IEs sent by STA */
131 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
132 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
133 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
134 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
135 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
136 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
138 #define IEEE80211_HT_CTL_LEN 4
140 struct ieee80211_hdr {
141 __le16 frame_control;
148 } __attribute__ ((packed));
150 struct ieee80211_hdr_3addr {
151 __le16 frame_control;
157 } __attribute__ ((packed));
159 struct ieee80211_qos_hdr {
160 __le16 frame_control;
167 } __attribute__ ((packed));
170 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
171 * @fc: frame control bytes in little-endian byteorder
173 static inline int ieee80211_has_tods(__le16 fc)
175 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
179 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
180 * @fc: frame control bytes in little-endian byteorder
182 static inline int ieee80211_has_fromds(__le16 fc)
184 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
188 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
189 * @fc: frame control bytes in little-endian byteorder
191 static inline int ieee80211_has_a4(__le16 fc)
193 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
194 return (fc & tmp) == tmp;
198 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
199 * @fc: frame control bytes in little-endian byteorder
201 static inline int ieee80211_has_morefrags(__le16 fc)
203 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
207 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
208 * @fc: frame control bytes in little-endian byteorder
210 static inline int ieee80211_has_retry(__le16 fc)
212 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
216 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
217 * @fc: frame control bytes in little-endian byteorder
219 static inline int ieee80211_has_pm(__le16 fc)
221 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
225 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
226 * @fc: frame control bytes in little-endian byteorder
228 static inline int ieee80211_has_moredata(__le16 fc)
230 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
234 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
235 * @fc: frame control bytes in little-endian byteorder
237 static inline int ieee80211_has_protected(__le16 fc)
239 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
243 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
244 * @fc: frame control bytes in little-endian byteorder
246 static inline int ieee80211_has_order(__le16 fc)
248 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
252 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
253 * @fc: frame control bytes in little-endian byteorder
255 static inline int ieee80211_is_mgmt(__le16 fc)
257 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
258 cpu_to_le16(IEEE80211_FTYPE_MGMT);
262 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
263 * @fc: frame control bytes in little-endian byteorder
265 static inline int ieee80211_is_ctl(__le16 fc)
267 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
268 cpu_to_le16(IEEE80211_FTYPE_CTL);
272 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
273 * @fc: frame control bytes in little-endian byteorder
275 static inline int ieee80211_is_data(__le16 fc)
277 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
278 cpu_to_le16(IEEE80211_FTYPE_DATA);
282 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
283 * @fc: frame control bytes in little-endian byteorder
285 static inline int ieee80211_is_data_qos(__le16 fc)
288 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
289 * to check the one bit
291 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
292 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
296 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
297 * @fc: frame control bytes in little-endian byteorder
299 static inline int ieee80211_is_data_present(__le16 fc)
302 * mask with 0x40 and test that that bit is clear to only return true
303 * for the data-containing substypes.
305 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
306 cpu_to_le16(IEEE80211_FTYPE_DATA);
310 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
311 * @fc: frame control bytes in little-endian byteorder
313 static inline int ieee80211_is_assoc_req(__le16 fc)
315 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
316 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
320 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
321 * @fc: frame control bytes in little-endian byteorder
323 static inline int ieee80211_is_assoc_resp(__le16 fc)
325 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
326 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
330 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
331 * @fc: frame control bytes in little-endian byteorder
333 static inline int ieee80211_is_reassoc_req(__le16 fc)
335 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
336 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
340 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
341 * @fc: frame control bytes in little-endian byteorder
343 static inline int ieee80211_is_reassoc_resp(__le16 fc)
345 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
346 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
350 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
351 * @fc: frame control bytes in little-endian byteorder
353 static inline int ieee80211_is_probe_req(__le16 fc)
355 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
356 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
360 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
361 * @fc: frame control bytes in little-endian byteorder
363 static inline int ieee80211_is_probe_resp(__le16 fc)
365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
366 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
370 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
371 * @fc: frame control bytes in little-endian byteorder
373 static inline int ieee80211_is_beacon(__le16 fc)
375 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
376 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
380 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
381 * @fc: frame control bytes in little-endian byteorder
383 static inline int ieee80211_is_atim(__le16 fc)
385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
386 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
390 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
391 * @fc: frame control bytes in little-endian byteorder
393 static inline int ieee80211_is_disassoc(__le16 fc)
395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
400 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
401 * @fc: frame control bytes in little-endian byteorder
403 static inline int ieee80211_is_auth(__le16 fc)
405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
410 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
411 * @fc: frame control bytes in little-endian byteorder
413 static inline int ieee80211_is_deauth(__le16 fc)
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
420 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
421 * @fc: frame control bytes in little-endian byteorder
423 static inline int ieee80211_is_action(__le16 fc)
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
430 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
431 * @fc: frame control bytes in little-endian byteorder
433 static inline int ieee80211_is_back_req(__le16 fc)
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
440 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
441 * @fc: frame control bytes in little-endian byteorder
443 static inline int ieee80211_is_back(__le16 fc)
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
450 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
451 * @fc: frame control bytes in little-endian byteorder
453 static inline int ieee80211_is_pspoll(__le16 fc)
455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
456 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
460 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
461 * @fc: frame control bytes in little-endian byteorder
463 static inline int ieee80211_is_rts(__le16 fc)
465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
466 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
470 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
471 * @fc: frame control bytes in little-endian byteorder
473 static inline int ieee80211_is_cts(__le16 fc)
475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
476 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
480 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
481 * @fc: frame control bytes in little-endian byteorder
483 static inline int ieee80211_is_ack(__le16 fc)
485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
486 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
490 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
491 * @fc: frame control bytes in little-endian byteorder
493 static inline int ieee80211_is_cfend(__le16 fc)
495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
496 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
500 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
501 * @fc: frame control bytes in little-endian byteorder
503 static inline int ieee80211_is_cfendack(__le16 fc)
505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
506 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
510 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
511 * @fc: frame control bytes in little-endian byteorder
513 static inline int ieee80211_is_nullfunc(__le16 fc)
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
516 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
520 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
521 * @fc: frame control bytes in little-endian byteorder
523 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
529 struct ieee80211s_hdr {
536 } __attribute__ ((packed));
539 #define MESH_FLAGS_AE_A4 0x1
540 #define MESH_FLAGS_AE_A5_A6 0x2
541 #define MESH_FLAGS_AE 0x3
542 #define MESH_FLAGS_PS_DEEP 0x4
545 * struct ieee80211_quiet_ie
547 * This structure refers to "Quiet information element"
549 struct ieee80211_quiet_ie {
554 } __attribute__ ((packed));
557 * struct ieee80211_msrment_ie
559 * This structure refers to "Measurement Request/Report information element"
561 struct ieee80211_msrment_ie {
566 } __attribute__ ((packed));
569 * struct ieee80211_channel_sw_ie
571 * This structure refers to "Channel Switch Announcement information element"
573 struct ieee80211_channel_sw_ie {
577 } __attribute__ ((packed));
580 * struct ieee80211_tim
582 * This structure refers to "Traffic Indication Map information element"
584 struct ieee80211_tim_ie {
588 /* variable size: 1 - 251 bytes */
590 } __attribute__ ((packed));
593 * struct ieee80211_meshconf_ie
595 * This structure refers to "Mesh Configuration information element"
597 struct ieee80211_meshconf_ie {
605 } __attribute__ ((packed));
608 * struct ieee80211_rann_ie
610 * This structure refers to "Root Announcement information element"
612 struct ieee80211_rann_ie {
619 } __attribute__ ((packed));
621 #define WLAN_SA_QUERY_TR_ID_LEN 2
623 struct ieee80211_mgmt {
624 __le16 frame_control;
633 __le16 auth_transaction;
635 /* possibly followed by Challenge text */
637 } __attribute__ ((packed)) auth;
640 } __attribute__ ((packed)) deauth;
643 __le16 listen_interval;
644 /* followed by SSID and Supported rates */
646 } __attribute__ ((packed)) assoc_req;
651 /* followed by Supported rates */
653 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
656 __le16 listen_interval;
658 /* followed by SSID and Supported rates */
660 } __attribute__ ((packed)) reassoc_req;
663 } __attribute__ ((packed)) disassoc;
668 /* followed by some of SSID, Supported rates,
669 * FH Params, DS Params, CF Params, IBSS Params, TIM */
671 } __attribute__ ((packed)) beacon;
673 /* only variable items: SSID, Supported rates */
675 } __attribute__ ((packed)) probe_req;
680 /* followed by some of SSID, Supported rates,
681 * FH Params, DS Params, CF Params, IBSS Params */
683 } __attribute__ ((packed)) probe_resp;
692 } __attribute__ ((packed)) wme_action;
697 struct ieee80211_channel_sw_ie sw_elem;
698 } __attribute__((packed)) chan_switch;
704 struct ieee80211_msrment_ie msr_elem;
705 } __attribute__((packed)) measurement;
711 __le16 start_seq_num;
712 } __attribute__((packed)) addba_req;
719 } __attribute__((packed)) addba_resp;
724 } __attribute__((packed)) delba;
727 /* capab_info for open and confirm,
731 /* Followed in plink_confirm by status
732 * code, AID and supported rates,
733 * and directly by supported rates in
734 * plink_open and plink_close
737 } __attribute__((packed)) plink_action;
741 } __attribute__((packed)) mesh_action;
744 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
745 } __attribute__ ((packed)) sa_query;
749 } __attribute__ ((packed)) ht_smps;
751 } __attribute__ ((packed)) action;
753 } __attribute__ ((packed));
755 /* mgmt header + 1 byte category code */
756 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
759 /* Management MIC information element (IEEE 802.11w) */
760 struct ieee80211_mmie {
764 u8 sequence_number[6];
766 } __attribute__ ((packed));
769 struct ieee80211_rts {
770 __le16 frame_control;
774 } __attribute__ ((packed));
776 struct ieee80211_cts {
777 __le16 frame_control;
780 } __attribute__ ((packed));
782 struct ieee80211_pspoll {
783 __le16 frame_control;
787 } __attribute__ ((packed));
790 * struct ieee80211_bar - HT Block Ack Request
792 * This structure refers to "HT BlockAckReq" as
793 * described in 802.11n draft section 7.2.1.7.1
795 struct ieee80211_bar {
796 __le16 frame_control;
801 __le16 start_seq_num;
802 } __attribute__((packed));
804 /* 802.11 BA(R) control masks */
805 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
806 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
807 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
810 * struct ieee80211_ba - HT Block Ack
812 * This structure refers to "HT BlockAck" as
813 * described in 802.11n draft section 7.2.1.8.1
815 struct ieee80211_ba {
816 __le16 frame_control;
822 __le16 start_seq_num;
824 } __attribute__((packed));
826 #define IEEE80211_HT_MCS_MASK_LEN 10
829 * struct ieee80211_mcs_info - MCS information
831 * @rx_highest: highest supported RX rate. If set represents
832 * the highest supported RX data rate in units of 1 Mbps.
833 * If this field is 0 this value should not be used to
834 * consider the highest RX data rate supported.
835 * @tx_params: TX parameters
837 struct ieee80211_mcs_info {
838 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
842 } __attribute__((packed));
844 /* 802.11n HT capability MSC set */
845 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
846 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
847 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
848 /* value 0 == 1 stream etc */
849 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
850 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
851 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
852 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
855 * 802.11n D5.0 20.3.5 / 20.6 says:
856 * - indices 0 to 7 and 32 are single spatial stream
857 * - 8 to 31 are multiple spatial streams using equal modulation
858 * [8..15 for two streams, 16..23 for three and 24..31 for four]
859 * - remainder are multiple spatial streams using unequal modulation
861 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
862 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
863 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
866 * struct ieee80211_ht_cap - HT capabilities
868 * This structure is the "HT capabilities element" as
869 * described in 802.11n D5.0 7.3.2.57
871 struct ieee80211_ht_cap {
873 u8 ampdu_params_info;
875 /* 16 bytes MCS information */
876 struct ieee80211_mcs_info mcs;
878 __le16 extended_ht_cap_info;
879 __le32 tx_BF_cap_info;
880 u8 antenna_selection_info;
881 } __attribute__ ((packed));
883 /* 802.11n HT capabilities masks (for cap_info) */
884 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
885 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
886 #define IEEE80211_HT_CAP_SM_PS 0x000C
887 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
888 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
889 #define IEEE80211_HT_CAP_SGI_20 0x0020
890 #define IEEE80211_HT_CAP_SGI_40 0x0040
891 #define IEEE80211_HT_CAP_TX_STBC 0x0080
892 #define IEEE80211_HT_CAP_RX_STBC 0x0300
893 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
894 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
895 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
896 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
897 #define IEEE80211_HT_CAP_RESERVED 0x2000
898 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
899 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
901 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
902 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
903 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
904 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
907 * Maximum length of AMPDU that the STA can receive.
908 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
910 enum ieee80211_max_ampdu_length_exp {
911 IEEE80211_HT_MAX_AMPDU_8K = 0,
912 IEEE80211_HT_MAX_AMPDU_16K = 1,
913 IEEE80211_HT_MAX_AMPDU_32K = 2,
914 IEEE80211_HT_MAX_AMPDU_64K = 3
917 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
919 /* Minimum MPDU start spacing */
920 enum ieee80211_min_mpdu_spacing {
921 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
922 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
923 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
924 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
925 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
926 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
927 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
928 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
932 * struct ieee80211_ht_info - HT information
934 * This structure is the "HT information element" as
935 * described in 802.11n D5.0 7.3.2.58
937 struct ieee80211_ht_info {
940 __le16 operation_mode;
943 } __attribute__ ((packed));
946 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
947 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
948 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
949 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
950 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
951 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
952 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
953 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
955 /* for operation_mode */
956 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
957 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
958 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
959 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
960 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
961 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
962 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
965 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
966 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
967 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
968 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
969 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
970 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
973 /* block-ack parameters */
974 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
975 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
976 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
977 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
978 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
981 * A-PMDU buffer sizes
982 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
984 #define IEEE80211_MIN_AMPDU_BUF 0x8
985 #define IEEE80211_MAX_AMPDU_BUF 0x40
988 /* Spatial Multiplexing Power Save Modes (for capability) */
989 #define WLAN_HT_CAP_SM_PS_STATIC 0
990 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
991 #define WLAN_HT_CAP_SM_PS_INVALID 2
992 #define WLAN_HT_CAP_SM_PS_DISABLED 3
994 /* for SM power control field lower two bits */
995 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
996 #define WLAN_HT_SMPS_CONTROL_STATIC 1
997 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
999 /* Authentication algorithms */
1000 #define WLAN_AUTH_OPEN 0
1001 #define WLAN_AUTH_SHARED_KEY 1
1002 #define WLAN_AUTH_FT 2
1003 #define WLAN_AUTH_LEAP 128
1005 #define WLAN_AUTH_CHALLENGE_LEN 128
1007 #define WLAN_CAPABILITY_ESS (1<<0)
1008 #define WLAN_CAPABILITY_IBSS (1<<1)
1009 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1010 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1011 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1012 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1013 #define WLAN_CAPABILITY_PBCC (1<<6)
1014 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1017 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1018 #define WLAN_CAPABILITY_QOS (1<<9)
1019 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1020 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1022 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1023 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1024 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1026 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1027 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1028 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1031 /* 802.11g ERP information element */
1032 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1033 #define WLAN_ERP_USE_PROTECTION (1<<1)
1034 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1036 /* WLAN_ERP_BARKER_PREAMBLE values */
1038 WLAN_ERP_PREAMBLE_SHORT = 0,
1039 WLAN_ERP_PREAMBLE_LONG = 1,
1043 enum ieee80211_statuscode {
1044 WLAN_STATUS_SUCCESS = 0,
1045 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1046 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1047 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1048 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1049 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1050 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1051 WLAN_STATUS_CHALLENGE_FAIL = 15,
1052 WLAN_STATUS_AUTH_TIMEOUT = 16,
1053 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1054 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1056 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1057 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1058 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1060 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1061 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1062 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1064 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1065 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1067 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1068 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1070 WLAN_STATUS_INVALID_IE = 40,
1071 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1072 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1073 WLAN_STATUS_INVALID_AKMP = 43,
1074 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1075 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1076 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1078 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1079 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1080 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1081 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1082 WLAN_STATUS_REQUEST_DECLINED = 37,
1083 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1084 WLAN_STATUS_CHANGE_TSPEC = 39,
1085 WLAN_STATUS_WAIT_TS_DELAY = 47,
1086 WLAN_STATUS_NO_DIRECT_LINK = 48,
1087 WLAN_STATUS_STA_NOT_PRESENT = 49,
1088 WLAN_STATUS_STA_NOT_QSTA = 50,
1093 enum ieee80211_reasoncode {
1094 WLAN_REASON_UNSPECIFIED = 1,
1095 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1096 WLAN_REASON_DEAUTH_LEAVING = 3,
1097 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1098 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1099 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1100 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1101 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1102 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1104 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1105 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1107 WLAN_REASON_INVALID_IE = 13,
1108 WLAN_REASON_MIC_FAILURE = 14,
1109 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1110 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1111 WLAN_REASON_IE_DIFFERENT = 17,
1112 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1113 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1114 WLAN_REASON_INVALID_AKMP = 20,
1115 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1116 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1117 WLAN_REASON_IEEE8021X_FAILED = 23,
1118 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1120 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1121 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1122 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1123 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1124 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1125 WLAN_REASON_QSTA_NOT_USE = 37,
1126 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1127 WLAN_REASON_QSTA_TIMEOUT = 39,
1128 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1132 /* Information Element IDs */
1133 enum ieee80211_eid {
1135 WLAN_EID_SUPP_RATES = 1,
1136 WLAN_EID_FH_PARAMS = 2,
1137 WLAN_EID_DS_PARAMS = 3,
1138 WLAN_EID_CF_PARAMS = 4,
1140 WLAN_EID_IBSS_PARAMS = 6,
1141 WLAN_EID_CHALLENGE = 16,
1143 WLAN_EID_COUNTRY = 7,
1144 WLAN_EID_HP_PARAMS = 8,
1145 WLAN_EID_HP_TABLE = 9,
1146 WLAN_EID_REQUEST = 10,
1148 WLAN_EID_QBSS_LOAD = 11,
1149 WLAN_EID_EDCA_PARAM_SET = 12,
1150 WLAN_EID_TSPEC = 13,
1151 WLAN_EID_TCLAS = 14,
1152 WLAN_EID_SCHEDULE = 15,
1153 WLAN_EID_TS_DELAY = 43,
1154 WLAN_EID_TCLAS_PROCESSING = 44,
1155 WLAN_EID_QOS_CAPA = 46,
1158 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
1159 * The numbers have been incremented from those suggested in
1160 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
1163 WLAN_EID_MESH_CONFIG = 51,
1164 WLAN_EID_MESH_ID = 52,
1165 WLAN_EID_PEER_LINK = 55,
1169 WLAN_EID_RANN = 49, /* compatible with FreeBSD */
1171 WLAN_EID_PWR_CONSTRAINT = 32,
1172 WLAN_EID_PWR_CAPABILITY = 33,
1173 WLAN_EID_TPC_REQUEST = 34,
1174 WLAN_EID_TPC_REPORT = 35,
1175 WLAN_EID_SUPPORTED_CHANNELS = 36,
1176 WLAN_EID_CHANNEL_SWITCH = 37,
1177 WLAN_EID_MEASURE_REQUEST = 38,
1178 WLAN_EID_MEASURE_REPORT = 39,
1179 WLAN_EID_QUIET = 40,
1180 WLAN_EID_IBSS_DFS = 41,
1182 WLAN_EID_ERP_INFO = 42,
1183 WLAN_EID_EXT_SUPP_RATES = 50,
1185 WLAN_EID_HT_CAPABILITY = 45,
1186 WLAN_EID_HT_INFORMATION = 61,
1191 WLAN_EID_GENERIC = 221,
1192 WLAN_EID_VENDOR_SPECIFIC = 221,
1193 WLAN_EID_QOS_PARAMETER = 222,
1195 WLAN_EID_AP_CHAN_REPORT = 51,
1196 WLAN_EID_NEIGHBOR_REPORT = 52,
1198 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1199 WLAN_EID_ANTENNA_INFO = 64,
1201 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1202 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1203 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1204 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1205 WLAN_EID_MULTIPLE_BSSID = 71,
1207 WLAN_EID_MOBILITY_DOMAIN = 54,
1208 WLAN_EID_FAST_BSS_TRANSITION = 55,
1209 WLAN_EID_TIMEOUT_INTERVAL = 56,
1210 WLAN_EID_RIC_DATA = 57,
1211 WLAN_EID_RIC_DESCRIPTOR = 75,
1213 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1214 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1215 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1218 /* Action category code */
1219 enum ieee80211_category {
1220 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1221 WLAN_CATEGORY_QOS = 1,
1222 WLAN_CATEGORY_DLS = 2,
1223 WLAN_CATEGORY_BACK = 3,
1224 WLAN_CATEGORY_PUBLIC = 4,
1225 WLAN_CATEGORY_HT = 7,
1226 WLAN_CATEGORY_SA_QUERY = 8,
1227 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1228 WLAN_CATEGORY_WMM = 17,
1229 WLAN_CATEGORY_MESH_PLINK = 30, /* Pending ANA approval */
1230 WLAN_CATEGORY_MESH_PATH_SEL = 32, /* Pending ANA approval */
1231 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1232 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1235 /* SPECTRUM_MGMT action code */
1236 enum ieee80211_spectrum_mgmt_actioncode {
1237 WLAN_ACTION_SPCT_MSR_REQ = 0,
1238 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1239 WLAN_ACTION_SPCT_TPC_REQ = 2,
1240 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1241 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1244 /* HT action codes */
1245 enum ieee80211_ht_actioncode {
1246 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1247 WLAN_HT_ACTION_SMPS = 1,
1248 WLAN_HT_ACTION_PSMP = 2,
1249 WLAN_HT_ACTION_PCO_PHASE = 3,
1250 WLAN_HT_ACTION_CSI = 4,
1251 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1252 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1253 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1256 /* Security key length */
1257 enum ieee80211_key_len {
1258 WLAN_KEY_LEN_WEP40 = 5,
1259 WLAN_KEY_LEN_WEP104 = 13,
1260 WLAN_KEY_LEN_CCMP = 16,
1261 WLAN_KEY_LEN_TKIP = 32,
1262 WLAN_KEY_LEN_AES_CMAC = 16,
1266 * IEEE 802.11-2007 7.3.2.9 Country information element
1268 * Minimum length is 8 octets, ie len must be evenly
1272 /* Although the spec says 8 I'm seeing 6 in practice */
1273 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1276 * For regulatory extension stuff see IEEE 802.11-2007
1277 * Annex I (page 1141) and Annex J (page 1147). Also
1280 * When dot11RegulatoryClassesRequired is true and the
1281 * first_channel/reg_extension_id is >= 201 then the IE
1282 * compromises of the 'ext' struct represented below:
1284 * - Regulatory extension ID - when generating IE this just needs
1285 * to be monotonically increasing for each triplet passed in
1287 * - Regulatory class - index into set of rules
1288 * - Coverage class - index into air propagation time (Table 7-27),
1289 * in microseconds, you can compute the air propagation time from
1290 * the index by multiplying by 3, so index 10 yields a propagation
1291 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1292 * yet. A value of 0 inicates air propagation of <= 1 us.
1294 * See also Table I.2 for Emission limit sets and table
1295 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1296 * a reg_class to an emission limit set and behavior limit set.
1298 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1301 * Channels numbers in the IE must be monotonically increasing
1302 * if dot11RegulatoryClassesRequired is not true.
1304 * If dot11RegulatoryClassesRequired is true consecutive
1305 * subband triplets following a regulatory triplet shall
1306 * have monotonically increasing first_channel number fields.
1308 * Channel numbers shall not overlap.
1310 * Note that max_power is signed.
1312 struct ieee80211_country_ie_triplet {
1318 } __attribute__ ((packed)) chans;
1320 u8 reg_extension_id;
1323 } __attribute__ ((packed)) ext;
1325 } __attribute__ ((packed));
1327 enum ieee80211_timeout_interval_type {
1328 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1329 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1330 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1333 /* BACK action code */
1334 enum ieee80211_back_actioncode {
1335 WLAN_ACTION_ADDBA_REQ = 0,
1336 WLAN_ACTION_ADDBA_RESP = 1,
1337 WLAN_ACTION_DELBA = 2,
1340 /* BACK (block-ack) parties */
1341 enum ieee80211_back_parties {
1342 WLAN_BACK_RECIPIENT = 0,
1343 WLAN_BACK_INITIATOR = 1,
1346 /* SA Query action */
1347 enum ieee80211_sa_query_action {
1348 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1349 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1353 /* A-MSDU 802.11n */
1354 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1356 /* cipher suite selectors */
1357 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1358 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1359 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1360 /* reserved: 0x000FAC03 */
1361 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1362 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1363 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1365 /* AKM suite selectors */
1366 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1367 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1369 #define WLAN_MAX_KEY_LEN 32
1371 #define WLAN_PMKID_LEN 16
1374 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1377 * The qos ctrl bytes come after the frame_control, duration, seq_num
1378 * and 3 or 4 addresses of length ETH_ALEN.
1379 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1380 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1382 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1384 if (ieee80211_has_a4(hdr->frame_control))
1385 return (u8 *)hdr + 30;
1387 return (u8 *)hdr + 24;
1391 * ieee80211_get_SA - get pointer to SA
1394 * Given an 802.11 frame, this function returns the offset
1395 * to the source address (SA). It does not verify that the
1396 * header is long enough to contain the address, and the
1397 * header must be long enough to contain the frame control
1400 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1402 if (ieee80211_has_a4(hdr->frame_control))
1404 if (ieee80211_has_fromds(hdr->frame_control))
1410 * ieee80211_get_DA - get pointer to DA
1413 * Given an 802.11 frame, this function returns the offset
1414 * to the destination address (DA). It does not verify that
1415 * the header is long enough to contain the address, and the
1416 * header must be long enough to contain the frame control
1419 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1421 if (ieee80211_has_tods(hdr->frame_control))
1428 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1429 * @hdr: the frame (buffer must include at least the first octet of payload)
1431 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1433 if (ieee80211_is_disassoc(hdr->frame_control) ||
1434 ieee80211_is_deauth(hdr->frame_control))
1437 if (ieee80211_is_action(hdr->frame_control)) {
1441 * Action frames, excluding Public Action frames, are Robust
1442 * Management Frames. However, if we are looking at a Protected
1443 * frame, skip the check since the data may be encrypted and
1444 * the frame has already been found to be a Robust Management
1445 * Frame (by the other end).
1447 if (ieee80211_has_protected(hdr->frame_control))
1449 category = ((u8 *) hdr) + 24;
1450 return *category != WLAN_CATEGORY_PUBLIC &&
1451 *category != WLAN_CATEGORY_HT &&
1452 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1459 * ieee80211_fhss_chan_to_freq - get channel frequency
1460 * @channel: the FHSS channel
1462 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1463 * Ref IEEE 802.11-2007 section 14.6
1465 static inline int ieee80211_fhss_chan_to_freq(int channel)
1467 if ((channel > 1) && (channel < 96))
1468 return channel + 2400;
1474 * ieee80211_freq_to_fhss_chan - get channel
1475 * @freq: the channels frequency
1477 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1478 * Ref IEEE 802.11-2007 section 14.6
1480 static inline int ieee80211_freq_to_fhss_chan(int freq)
1482 if ((freq > 2401) && (freq < 2496))
1489 * ieee80211_dsss_chan_to_freq - get channel center frequency
1490 * @channel: the DSSS channel
1492 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1493 * Ref IEEE 802.11-2007 section 15.6
1495 static inline int ieee80211_dsss_chan_to_freq(int channel)
1497 if ((channel > 0) && (channel < 14))
1498 return 2407 + (channel * 5);
1499 else if (channel == 14)
1506 * ieee80211_freq_to_dsss_chan - get channel
1507 * @freq: the frequency
1509 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1510 * Ref IEEE 802.11-2007 section 15.6
1512 * This routine selects the channel with the closest center frequency.
1514 static inline int ieee80211_freq_to_dsss_chan(int freq)
1516 if ((freq >= 2410) && (freq < 2475))
1517 return (freq - 2405) / 5;
1518 else if ((freq >= 2482) && (freq < 2487))
1524 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1525 * Ref IEEE 802.11-2007 section 18.4.6.2
1527 * The channels and frequencies are the same as those defined for DSSS
1529 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1530 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1532 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1533 * Ref IEEE 802.11-2007 section 19.4.2
1535 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1536 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1539 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1540 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1541 * @channel: the OFDM channel
1543 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1544 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1546 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1548 if ((channel > 0) && (channel <= 200) &&
1550 return s_freq + (channel * 5);
1556 * ieee80211_freq_to_ofdm_channel - get channel
1557 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1558 * @freq: the frequency
1560 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1561 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1563 * This routine selects the channel with the closest center frequency.
1565 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1567 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1569 return (freq + 2 - s_freq) / 5;
1575 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1578 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1584 * ieee80211_check_tim - check if AID bit is set in TIM
1586 * @tim_len: length of the TIM IE
1587 * @aid: the AID to look for
1589 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1590 u8 tim_len, u16 aid)
1593 u8 indexn0, indexn1, indexn2;
1595 if (unlikely(!tim || tim_len < sizeof(*tim)))
1600 mask = 1 << (aid & 7);
1602 indexn1 = tim->bitmap_ctrl & 0xfe;
1603 indexn2 = tim_len + indexn1 - 4;
1605 if (indexn0 < indexn1 || indexn0 > indexn2)
1610 return !!(tim->virtual_map[indexn0] & mask);
1613 #endif /* __LINUX_IEEE80211_H */