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 static inline unsigned int ieee80211_hdrlen(__le16 fc)
532 unsigned int hdrlen = 24;
534 if (ieee80211_has_a4(fc))
537 if (ieee80211_is_data_qos(fc)) {
538 hdrlen += IEEE80211_QOS_CTL_LEN;
539 if (ieee80211_has_order(fc))
540 hdrlen += IEEE80211_HT_CTL_LEN;
546 struct ieee80211s_hdr {
552 } __attribute__ ((packed));
555 #define MESH_FLAGS_AE_A4 0x1
556 #define MESH_FLAGS_AE_A5_A6 0x2
557 #define MESH_FLAGS_AE 0x3
558 #define MESH_FLAGS_PS_DEEP 0x4
561 * struct ieee80211_quiet_ie
563 * This structure refers to "Quiet information element"
565 struct ieee80211_quiet_ie {
570 } __attribute__ ((packed));
573 * struct ieee80211_msrment_ie
575 * This structure refers to "Measurement Request/Report information element"
577 struct ieee80211_msrment_ie {
582 } __attribute__ ((packed));
585 * struct ieee80211_channel_sw_ie
587 * This structure refers to "Channel Switch Announcement information element"
589 struct ieee80211_channel_sw_ie {
593 } __attribute__ ((packed));
596 * struct ieee80211_tim
598 * This structure refers to "Traffic Indication Map information element"
600 struct ieee80211_tim_ie {
604 /* variable size: 1 - 251 bytes */
606 } __attribute__ ((packed));
609 * struct ieee80211_meshconf_ie
611 * This structure refers to "Mesh Configuration information element"
613 struct ieee80211_meshconf_ie {
621 } __attribute__ ((packed));
624 * struct ieee80211_rann_ie
626 * This structure refers to "Root Announcement information element"
628 struct ieee80211_rann_ie {
635 } __attribute__ ((packed));
637 #define WLAN_SA_QUERY_TR_ID_LEN 2
639 struct ieee80211_mgmt {
640 __le16 frame_control;
649 __le16 auth_transaction;
651 /* possibly followed by Challenge text */
653 } __attribute__ ((packed)) auth;
656 } __attribute__ ((packed)) deauth;
659 __le16 listen_interval;
660 /* followed by SSID and Supported rates */
662 } __attribute__ ((packed)) assoc_req;
667 /* followed by Supported rates */
669 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
672 __le16 listen_interval;
674 /* followed by SSID and Supported rates */
676 } __attribute__ ((packed)) reassoc_req;
679 } __attribute__ ((packed)) disassoc;
684 /* followed by some of SSID, Supported rates,
685 * FH Params, DS Params, CF Params, IBSS Params, TIM */
687 } __attribute__ ((packed)) beacon;
689 /* only variable items: SSID, Supported rates */
691 } __attribute__ ((packed)) probe_req;
696 /* followed by some of SSID, Supported rates,
697 * FH Params, DS Params, CF Params, IBSS Params */
699 } __attribute__ ((packed)) probe_resp;
708 } __attribute__ ((packed)) wme_action;
713 struct ieee80211_channel_sw_ie sw_elem;
714 } __attribute__((packed)) chan_switch;
720 struct ieee80211_msrment_ie msr_elem;
721 } __attribute__((packed)) measurement;
727 __le16 start_seq_num;
728 } __attribute__((packed)) addba_req;
735 } __attribute__((packed)) addba_resp;
740 } __attribute__((packed)) delba;
743 /* capab_info for open and confirm,
747 /* Followed in plink_confirm by status
748 * code, AID and supported rates,
749 * and directly by supported rates in
750 * plink_open and plink_close
753 } __attribute__((packed)) plink_action;
757 } __attribute__((packed)) mesh_action;
760 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
761 } __attribute__ ((packed)) sa_query;
765 } __attribute__ ((packed)) ht_smps;
767 } __attribute__ ((packed)) action;
769 } __attribute__ ((packed));
771 /* mgmt header + 1 byte category code */
772 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
775 /* Management MIC information element (IEEE 802.11w) */
776 struct ieee80211_mmie {
780 u8 sequence_number[6];
782 } __attribute__ ((packed));
785 struct ieee80211_rts {
786 __le16 frame_control;
790 } __attribute__ ((packed));
792 struct ieee80211_cts {
793 __le16 frame_control;
796 } __attribute__ ((packed));
798 struct ieee80211_pspoll {
799 __le16 frame_control;
803 } __attribute__ ((packed));
806 * struct ieee80211_bar - HT Block Ack Request
808 * This structure refers to "HT BlockAckReq" as
809 * described in 802.11n draft section 7.2.1.7.1
811 struct ieee80211_bar {
812 __le16 frame_control;
817 __le16 start_seq_num;
818 } __attribute__((packed)) __aligned(4);
820 /* 802.11 BA(R) control masks */
821 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
822 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
823 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
826 * struct ieee80211_ba - HT Block Ack
828 * This structure refers to "HT BlockAck" as
829 * described in 802.11n draft section 7.2.1.8.1
831 struct ieee80211_ba {
832 __le16 frame_control;
838 __le16 start_seq_num;
840 } __attribute__((packed));
842 #define IEEE80211_HT_MCS_MASK_LEN 10
845 * struct ieee80211_mcs_info - MCS information
847 * @rx_highest: highest supported RX rate. If set represents
848 * the highest supported RX data rate in units of 1 Mbps.
849 * If this field is 0 this value should not be used to
850 * consider the highest RX data rate supported.
851 * @tx_params: TX parameters
853 struct ieee80211_mcs_info {
854 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
858 } __attribute__((packed));
860 /* 802.11n HT capability MSC set */
861 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
862 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
863 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
864 /* value 0 == 1 stream etc */
865 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
866 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
867 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
868 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
871 * 802.11n D5.0 20.3.5 / 20.6 says:
872 * - indices 0 to 7 and 32 are single spatial stream
873 * - 8 to 31 are multiple spatial streams using equal modulation
874 * [8..15 for two streams, 16..23 for three and 24..31 for four]
875 * - remainder are multiple spatial streams using unequal modulation
877 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
878 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
879 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
882 * struct ieee80211_ht_cap - HT capabilities
884 * This structure is the "HT capabilities element" as
885 * described in 802.11n D5.0 7.3.2.57
887 struct ieee80211_ht_cap {
889 u8 ampdu_params_info;
891 /* 16 bytes MCS information */
892 struct ieee80211_mcs_info mcs;
894 __le16 extended_ht_cap_info;
895 __le32 tx_BF_cap_info;
896 u8 antenna_selection_info;
897 } __attribute__ ((packed));
899 /* 802.11n HT capabilities masks (for cap_info) */
900 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
901 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
902 #define IEEE80211_HT_CAP_SM_PS 0x000C
903 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
904 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
905 #define IEEE80211_HT_CAP_SGI_20 0x0020
906 #define IEEE80211_HT_CAP_SGI_40 0x0040
907 #define IEEE80211_HT_CAP_TX_STBC 0x0080
908 #define IEEE80211_HT_CAP_RX_STBC 0x0300
909 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
910 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
911 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
912 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
913 #define IEEE80211_HT_CAP_RESERVED 0x2000
914 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
915 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
917 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
918 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
919 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
920 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
921 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
922 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
923 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
924 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
926 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
927 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
928 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
929 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
932 * Maximum length of AMPDU that the STA can receive.
933 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
935 enum ieee80211_max_ampdu_length_exp {
936 IEEE80211_HT_MAX_AMPDU_8K = 0,
937 IEEE80211_HT_MAX_AMPDU_16K = 1,
938 IEEE80211_HT_MAX_AMPDU_32K = 2,
939 IEEE80211_HT_MAX_AMPDU_64K = 3
942 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
944 /* Minimum MPDU start spacing */
945 enum ieee80211_min_mpdu_spacing {
946 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
947 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
948 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
949 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
950 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
951 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
952 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
953 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
957 * struct ieee80211_ht_info - HT information
959 * This structure is the "HT information element" as
960 * described in 802.11n D5.0 7.3.2.58
962 struct ieee80211_ht_info {
965 __le16 operation_mode;
968 } __attribute__ ((packed));
971 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
972 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
973 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
974 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
975 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
976 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
977 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
978 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
980 /* for operation_mode */
981 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
982 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
983 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
984 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
985 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
986 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
987 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
990 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
991 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
992 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
993 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
994 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
995 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
998 /* block-ack parameters */
999 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1000 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1001 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1002 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1003 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1006 * A-PMDU buffer sizes
1007 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1009 #define IEEE80211_MIN_AMPDU_BUF 0x8
1010 #define IEEE80211_MAX_AMPDU_BUF 0x40
1013 /* Spatial Multiplexing Power Save Modes (for capability) */
1014 #define WLAN_HT_CAP_SM_PS_STATIC 0
1015 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1016 #define WLAN_HT_CAP_SM_PS_INVALID 2
1017 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1019 /* for SM power control field lower two bits */
1020 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1021 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1022 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1024 /* Authentication algorithms */
1025 #define WLAN_AUTH_OPEN 0
1026 #define WLAN_AUTH_SHARED_KEY 1
1027 #define WLAN_AUTH_FT 2
1028 #define WLAN_AUTH_SAE 3
1029 #define WLAN_AUTH_LEAP 128
1031 #define WLAN_AUTH_CHALLENGE_LEN 128
1033 #define WLAN_CAPABILITY_ESS (1<<0)
1034 #define WLAN_CAPABILITY_IBSS (1<<1)
1036 /* A mesh STA sets the ESS and IBSS capability bits to zero */
1037 #define WLAN_CAPABILITY_IS_MBSS(cap) \
1038 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1040 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1041 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1042 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1043 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1044 #define WLAN_CAPABILITY_PBCC (1<<6)
1045 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1048 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1049 #define WLAN_CAPABILITY_QOS (1<<9)
1050 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1051 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1053 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1054 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1055 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1057 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1058 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1059 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1062 /* 802.11g ERP information element */
1063 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1064 #define WLAN_ERP_USE_PROTECTION (1<<1)
1065 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1067 /* WLAN_ERP_BARKER_PREAMBLE values */
1069 WLAN_ERP_PREAMBLE_SHORT = 0,
1070 WLAN_ERP_PREAMBLE_LONG = 1,
1074 enum ieee80211_statuscode {
1075 WLAN_STATUS_SUCCESS = 0,
1076 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1077 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1078 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1079 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1080 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1081 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1082 WLAN_STATUS_CHALLENGE_FAIL = 15,
1083 WLAN_STATUS_AUTH_TIMEOUT = 16,
1084 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1085 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1087 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1088 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1089 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1091 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1092 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1093 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1095 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1096 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1098 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1099 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1101 WLAN_STATUS_INVALID_IE = 40,
1102 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1103 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1104 WLAN_STATUS_INVALID_AKMP = 43,
1105 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1106 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1107 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1109 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1110 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1111 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1112 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1113 WLAN_STATUS_REQUEST_DECLINED = 37,
1114 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1115 WLAN_STATUS_CHANGE_TSPEC = 39,
1116 WLAN_STATUS_WAIT_TS_DELAY = 47,
1117 WLAN_STATUS_NO_DIRECT_LINK = 48,
1118 WLAN_STATUS_STA_NOT_PRESENT = 49,
1119 WLAN_STATUS_STA_NOT_QSTA = 50,
1121 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1122 WLAN_STATUS_FCG_NOT_SUPP = 78,
1123 WLAN_STATUS_STA_NO_TBTT = 78,
1128 enum ieee80211_reasoncode {
1129 WLAN_REASON_UNSPECIFIED = 1,
1130 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1131 WLAN_REASON_DEAUTH_LEAVING = 3,
1132 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1133 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1134 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1135 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1136 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1137 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1139 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1140 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1142 WLAN_REASON_INVALID_IE = 13,
1143 WLAN_REASON_MIC_FAILURE = 14,
1144 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1145 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1146 WLAN_REASON_IE_DIFFERENT = 17,
1147 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1148 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1149 WLAN_REASON_INVALID_AKMP = 20,
1150 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1151 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1152 WLAN_REASON_IEEE8021X_FAILED = 23,
1153 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1155 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1156 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1157 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1158 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1159 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1160 WLAN_REASON_QSTA_NOT_USE = 37,
1161 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1162 WLAN_REASON_QSTA_TIMEOUT = 39,
1163 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1165 WLAN_REASON_MESH_PEER_CANCELED = 52,
1166 WLAN_REASON_MESH_MAX_PEERS = 53,
1167 WLAN_REASON_MESH_CONFIG = 54,
1168 WLAN_REASON_MESH_CLOSE = 55,
1169 WLAN_REASON_MESH_MAX_RETRIES = 56,
1170 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1171 WLAN_REASON_MESH_INVALID_GTK = 58,
1172 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1173 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1174 WLAN_REASON_MESH_PATH_ERROR = 61,
1175 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1176 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1177 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1178 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1179 WLAN_REASON_MESH_CHAN = 66,
1183 /* Information Element IDs */
1184 enum ieee80211_eid {
1186 WLAN_EID_SUPP_RATES = 1,
1187 WLAN_EID_FH_PARAMS = 2,
1188 WLAN_EID_DS_PARAMS = 3,
1189 WLAN_EID_CF_PARAMS = 4,
1191 WLAN_EID_IBSS_PARAMS = 6,
1192 WLAN_EID_CHALLENGE = 16,
1194 WLAN_EID_COUNTRY = 7,
1195 WLAN_EID_HP_PARAMS = 8,
1196 WLAN_EID_HP_TABLE = 9,
1197 WLAN_EID_REQUEST = 10,
1199 WLAN_EID_QBSS_LOAD = 11,
1200 WLAN_EID_EDCA_PARAM_SET = 12,
1201 WLAN_EID_TSPEC = 13,
1202 WLAN_EID_TCLAS = 14,
1203 WLAN_EID_SCHEDULE = 15,
1204 WLAN_EID_TS_DELAY = 43,
1205 WLAN_EID_TCLAS_PROCESSING = 44,
1206 WLAN_EID_QOS_CAPA = 46,
1208 WLAN_EID_MESH_CONFIG = 113,
1209 WLAN_EID_MESH_ID = 114,
1210 WLAN_EID_LINK_METRIC_REPORT = 115,
1211 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1212 /* Note that the Peer Link IE has been replaced with the similar
1213 * Peer Management IE. We will keep the former definition until mesh
1214 * code is changed to comply with latest 802.11s drafts.
1216 WLAN_EID_PEER_LINK = 55, /* no longer in 802.11s drafts */
1217 WLAN_EID_PEER_MGMT = 117,
1218 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1219 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1220 WLAN_EID_BEACON_TIMING = 120,
1221 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1222 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1223 WLAN_EID_MCCAOP_ADVERT = 123,
1224 WLAN_EID_MCCAOP_TEARDOWN = 124,
1225 WLAN_EID_GANN = 125,
1226 WLAN_EID_RANN = 126,
1227 WLAN_EID_PREQ = 130,
1228 WLAN_EID_PREP = 131,
1229 WLAN_EID_PERR = 132,
1231 WLAN_EID_PXUC = 138,
1232 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1235 WLAN_EID_PWR_CONSTRAINT = 32,
1236 WLAN_EID_PWR_CAPABILITY = 33,
1237 WLAN_EID_TPC_REQUEST = 34,
1238 WLAN_EID_TPC_REPORT = 35,
1239 WLAN_EID_SUPPORTED_CHANNELS = 36,
1240 WLAN_EID_CHANNEL_SWITCH = 37,
1241 WLAN_EID_MEASURE_REQUEST = 38,
1242 WLAN_EID_MEASURE_REPORT = 39,
1243 WLAN_EID_QUIET = 40,
1244 WLAN_EID_IBSS_DFS = 41,
1246 WLAN_EID_ERP_INFO = 42,
1247 WLAN_EID_EXT_SUPP_RATES = 50,
1249 WLAN_EID_HT_CAPABILITY = 45,
1250 WLAN_EID_HT_INFORMATION = 61,
1255 WLAN_EID_GENERIC = 221,
1256 WLAN_EID_VENDOR_SPECIFIC = 221,
1257 WLAN_EID_QOS_PARAMETER = 222,
1259 WLAN_EID_AP_CHAN_REPORT = 51,
1260 WLAN_EID_NEIGHBOR_REPORT = 52,
1262 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1263 WLAN_EID_ANTENNA_INFO = 64,
1265 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1266 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1267 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1268 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1269 WLAN_EID_MULTIPLE_BSSID = 71,
1270 WLAN_EID_BSS_COEX_2040 = 72,
1271 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1272 WLAN_EID_EXT_CAPABILITY = 127,
1274 WLAN_EID_MOBILITY_DOMAIN = 54,
1275 WLAN_EID_FAST_BSS_TRANSITION = 55,
1276 WLAN_EID_TIMEOUT_INTERVAL = 56,
1277 WLAN_EID_RIC_DATA = 57,
1278 WLAN_EID_RIC_DESCRIPTOR = 75,
1280 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1281 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1282 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1285 /* Action category code */
1286 enum ieee80211_category {
1287 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1288 WLAN_CATEGORY_QOS = 1,
1289 WLAN_CATEGORY_DLS = 2,
1290 WLAN_CATEGORY_BACK = 3,
1291 WLAN_CATEGORY_PUBLIC = 4,
1292 WLAN_CATEGORY_HT = 7,
1293 WLAN_CATEGORY_SA_QUERY = 8,
1294 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1295 WLAN_CATEGORY_MESH_ACTION = 13,
1296 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1297 WLAN_CATEGORY_SELF_PROTECTED = 15,
1298 WLAN_CATEGORY_WMM = 17,
1299 /* TODO: remove MESH_PATH_SEL after mesh is updated
1300 * to current 802.11s draft */
1301 WLAN_CATEGORY_MESH_PATH_SEL = 32,
1302 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1303 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1306 /* SPECTRUM_MGMT action code */
1307 enum ieee80211_spectrum_mgmt_actioncode {
1308 WLAN_ACTION_SPCT_MSR_REQ = 0,
1309 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1310 WLAN_ACTION_SPCT_TPC_REQ = 2,
1311 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1312 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1315 /* HT action codes */
1316 enum ieee80211_ht_actioncode {
1317 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1318 WLAN_HT_ACTION_SMPS = 1,
1319 WLAN_HT_ACTION_PSMP = 2,
1320 WLAN_HT_ACTION_PCO_PHASE = 3,
1321 WLAN_HT_ACTION_CSI = 4,
1322 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1323 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1324 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1327 /* Security key length */
1328 enum ieee80211_key_len {
1329 WLAN_KEY_LEN_WEP40 = 5,
1330 WLAN_KEY_LEN_WEP104 = 13,
1331 WLAN_KEY_LEN_CCMP = 16,
1332 WLAN_KEY_LEN_TKIP = 32,
1333 WLAN_KEY_LEN_AES_CMAC = 16,
1337 * enum - mesh path selection protocol identifier
1339 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1340 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1341 * be specified in a vendor specific information element
1344 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1345 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1349 * enum - mesh path selection metric identifier
1351 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1352 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1353 * specified in a vendor specific information element
1356 IEEE80211_PATH_METRIC_AIRTIME = 0,
1357 IEEE80211_PATH_METRIC_VENDOR = 255,
1362 * IEEE 802.11-2007 7.3.2.9 Country information element
1364 * Minimum length is 8 octets, ie len must be evenly
1368 /* Although the spec says 8 I'm seeing 6 in practice */
1369 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1371 /* The Country String field of the element shall be 3 octets in length */
1372 #define IEEE80211_COUNTRY_STRING_LEN 3
1375 * For regulatory extension stuff see IEEE 802.11-2007
1376 * Annex I (page 1141) and Annex J (page 1147). Also
1379 * When dot11RegulatoryClassesRequired is true and the
1380 * first_channel/reg_extension_id is >= 201 then the IE
1381 * compromises of the 'ext' struct represented below:
1383 * - Regulatory extension ID - when generating IE this just needs
1384 * to be monotonically increasing for each triplet passed in
1386 * - Regulatory class - index into set of rules
1387 * - Coverage class - index into air propagation time (Table 7-27),
1388 * in microseconds, you can compute the air propagation time from
1389 * the index by multiplying by 3, so index 10 yields a propagation
1390 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1391 * yet. A value of 0 inicates air propagation of <= 1 us.
1393 * See also Table I.2 for Emission limit sets and table
1394 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1395 * a reg_class to an emission limit set and behavior limit set.
1397 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1400 * Channels numbers in the IE must be monotonically increasing
1401 * if dot11RegulatoryClassesRequired is not true.
1403 * If dot11RegulatoryClassesRequired is true consecutive
1404 * subband triplets following a regulatory triplet shall
1405 * have monotonically increasing first_channel number fields.
1407 * Channel numbers shall not overlap.
1409 * Note that max_power is signed.
1411 struct ieee80211_country_ie_triplet {
1417 } __attribute__ ((packed)) chans;
1419 u8 reg_extension_id;
1422 } __attribute__ ((packed)) ext;
1424 } __attribute__ ((packed));
1426 enum ieee80211_timeout_interval_type {
1427 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1428 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1429 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1432 /* BACK action code */
1433 enum ieee80211_back_actioncode {
1434 WLAN_ACTION_ADDBA_REQ = 0,
1435 WLAN_ACTION_ADDBA_RESP = 1,
1436 WLAN_ACTION_DELBA = 2,
1439 /* BACK (block-ack) parties */
1440 enum ieee80211_back_parties {
1441 WLAN_BACK_RECIPIENT = 0,
1442 WLAN_BACK_INITIATOR = 1,
1445 /* SA Query action */
1446 enum ieee80211_sa_query_action {
1447 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1448 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1452 /* A-MSDU 802.11n */
1453 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1455 /* cipher suite selectors */
1456 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1457 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1458 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1459 /* reserved: 0x000FAC03 */
1460 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1461 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1462 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1464 /* AKM suite selectors */
1465 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1466 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1467 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1468 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1470 #define WLAN_MAX_KEY_LEN 32
1472 #define WLAN_PMKID_LEN 16
1475 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1478 * The qos ctrl bytes come after the frame_control, duration, seq_num
1479 * and 3 or 4 addresses of length ETH_ALEN.
1480 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1481 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1483 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1485 if (ieee80211_has_a4(hdr->frame_control))
1486 return (u8 *)hdr + 30;
1488 return (u8 *)hdr + 24;
1492 * ieee80211_get_SA - get pointer to SA
1495 * Given an 802.11 frame, this function returns the offset
1496 * to the source address (SA). It does not verify that the
1497 * header is long enough to contain the address, and the
1498 * header must be long enough to contain the frame control
1501 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1503 if (ieee80211_has_a4(hdr->frame_control))
1505 if (ieee80211_has_fromds(hdr->frame_control))
1511 * ieee80211_get_DA - get pointer to DA
1514 * Given an 802.11 frame, this function returns the offset
1515 * to the destination address (DA). It does not verify that
1516 * the header is long enough to contain the address, and the
1517 * header must be long enough to contain the frame control
1520 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1522 if (ieee80211_has_tods(hdr->frame_control))
1529 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1530 * @hdr: the frame (buffer must include at least the first octet of payload)
1532 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1534 if (ieee80211_is_disassoc(hdr->frame_control) ||
1535 ieee80211_is_deauth(hdr->frame_control))
1538 if (ieee80211_is_action(hdr->frame_control)) {
1542 * Action frames, excluding Public Action frames, are Robust
1543 * Management Frames. However, if we are looking at a Protected
1544 * frame, skip the check since the data may be encrypted and
1545 * the frame has already been found to be a Robust Management
1546 * Frame (by the other end).
1548 if (ieee80211_has_protected(hdr->frame_control))
1550 category = ((u8 *) hdr) + 24;
1551 return *category != WLAN_CATEGORY_PUBLIC &&
1552 *category != WLAN_CATEGORY_HT &&
1553 *category != WLAN_CATEGORY_SELF_PROTECTED &&
1554 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1561 * ieee80211_fhss_chan_to_freq - get channel frequency
1562 * @channel: the FHSS channel
1564 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1565 * Ref IEEE 802.11-2007 section 14.6
1567 static inline int ieee80211_fhss_chan_to_freq(int channel)
1569 if ((channel > 1) && (channel < 96))
1570 return channel + 2400;
1576 * ieee80211_freq_to_fhss_chan - get channel
1577 * @freq: the channels frequency
1579 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1580 * Ref IEEE 802.11-2007 section 14.6
1582 static inline int ieee80211_freq_to_fhss_chan(int freq)
1584 if ((freq > 2401) && (freq < 2496))
1591 * ieee80211_dsss_chan_to_freq - get channel center frequency
1592 * @channel: the DSSS channel
1594 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1595 * Ref IEEE 802.11-2007 section 15.6
1597 static inline int ieee80211_dsss_chan_to_freq(int channel)
1599 if ((channel > 0) && (channel < 14))
1600 return 2407 + (channel * 5);
1601 else if (channel == 14)
1608 * ieee80211_freq_to_dsss_chan - get channel
1609 * @freq: the frequency
1611 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1612 * Ref IEEE 802.11-2007 section 15.6
1614 * This routine selects the channel with the closest center frequency.
1616 static inline int ieee80211_freq_to_dsss_chan(int freq)
1618 if ((freq >= 2410) && (freq < 2475))
1619 return (freq - 2405) / 5;
1620 else if ((freq >= 2482) && (freq < 2487))
1626 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1627 * Ref IEEE 802.11-2007 section 18.4.6.2
1629 * The channels and frequencies are the same as those defined for DSSS
1631 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1632 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1634 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1635 * Ref IEEE 802.11-2007 section 19.4.2
1637 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1638 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1641 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1642 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1643 * @channel: the OFDM channel
1645 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1646 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1648 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1650 if ((channel > 0) && (channel <= 200) &&
1652 return s_freq + (channel * 5);
1658 * ieee80211_freq_to_ofdm_channel - get channel
1659 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1660 * @freq: the frequency
1662 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1663 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1665 * This routine selects the channel with the closest center frequency.
1667 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1669 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1671 return (freq + 2 - s_freq) / 5;
1677 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1680 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1686 * ieee80211_check_tim - check if AID bit is set in TIM
1688 * @tim_len: length of the TIM IE
1689 * @aid: the AID to look for
1691 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1692 u8 tim_len, u16 aid)
1695 u8 indexn0, indexn1, indexn2;
1697 if (unlikely(!tim || tim_len < sizeof(*tim)))
1702 mask = 1 << (aid & 7);
1704 indexn1 = tim->bitmap_ctrl & 0xfe;
1705 indexn2 = tim_len + indexn1 - 4;
1707 if (indexn0 < indexn1 || indexn0 > indexn2)
1712 return !!(tim->virtual_map[indexn0] & mask);
1715 #endif /* __LINUX_IEEE80211_H */