4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
7 * Copyright (c) 2005, Devicescape Software, Inc.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
18 #include <linux/types.h>
19 #include <asm/byteorder.h>
24 * TA = transmitter address
25 * RA = receiver address
26 * DA = destination address
29 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
30 * -----------------------------------------------------------------
31 * 0 0 DA SA BSSID - IBSS/DLS
32 * 0 1 DA BSSID SA - AP -> STA
33 * 1 0 BSSID SA DA - AP <- STA
34 * 1 1 RA TA DA SA unspecified (WDS)
39 #define IEEE80211_FCTL_VERS 0x0003
40 #define IEEE80211_FCTL_FTYPE 0x000c
41 #define IEEE80211_FCTL_STYPE 0x00f0
42 #define IEEE80211_FCTL_TODS 0x0100
43 #define IEEE80211_FCTL_FROMDS 0x0200
44 #define IEEE80211_FCTL_MOREFRAGS 0x0400
45 #define IEEE80211_FCTL_RETRY 0x0800
46 #define IEEE80211_FCTL_PM 0x1000
47 #define IEEE80211_FCTL_MOREDATA 0x2000
48 #define IEEE80211_FCTL_PROTECTED 0x4000
49 #define IEEE80211_FCTL_ORDER 0x8000
51 #define IEEE80211_SCTL_FRAG 0x000F
52 #define IEEE80211_SCTL_SEQ 0xFFF0
54 #define IEEE80211_FTYPE_MGMT 0x0000
55 #define IEEE80211_FTYPE_CTL 0x0004
56 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
60 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
61 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
62 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
63 #define IEEE80211_STYPE_PROBE_REQ 0x0040
64 #define IEEE80211_STYPE_PROBE_RESP 0x0050
65 #define IEEE80211_STYPE_BEACON 0x0080
66 #define IEEE80211_STYPE_ATIM 0x0090
67 #define IEEE80211_STYPE_DISASSOC 0x00A0
68 #define IEEE80211_STYPE_AUTH 0x00B0
69 #define IEEE80211_STYPE_DEAUTH 0x00C0
70 #define IEEE80211_STYPE_ACTION 0x00D0
73 #define IEEE80211_STYPE_BACK_REQ 0x0080
74 #define IEEE80211_STYPE_BACK 0x0090
75 #define IEEE80211_STYPE_PSPOLL 0x00A0
76 #define IEEE80211_STYPE_RTS 0x00B0
77 #define IEEE80211_STYPE_CTS 0x00C0
78 #define IEEE80211_STYPE_ACK 0x00D0
79 #define IEEE80211_STYPE_CFEND 0x00E0
80 #define IEEE80211_STYPE_CFENDACK 0x00F0
83 #define IEEE80211_STYPE_DATA 0x0000
84 #define IEEE80211_STYPE_DATA_CFACK 0x0010
85 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
86 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
87 #define IEEE80211_STYPE_NULLFUNC 0x0040
88 #define IEEE80211_STYPE_CFACK 0x0050
89 #define IEEE80211_STYPE_CFPOLL 0x0060
90 #define IEEE80211_STYPE_CFACKPOLL 0x0070
91 #define IEEE80211_STYPE_QOS_DATA 0x0080
92 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
95 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
96 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
97 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
98 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
101 /* miscellaneous IEEE 802.11 constants */
102 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
103 #define IEEE80211_MAX_RTS_THRESHOLD 2353
104 #define IEEE80211_MAX_AID 2007
105 #define IEEE80211_MAX_TIM_LEN 251
106 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
109 802.11e clarifies the figure in section 7.1.2. The frame body is
110 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
111 #define IEEE80211_MAX_DATA_LEN 2304
112 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
113 #define IEEE80211_MAX_FRAME_LEN 2352
115 #define IEEE80211_MAX_SSID_LEN 32
117 #define IEEE80211_MAX_MESH_ID_LEN 32
119 #define IEEE80211_QOS_CTL_LEN 2
120 #define IEEE80211_QOS_CTL_TID_MASK 0x000F
121 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
123 /* U-APSD queue for WMM IEs sent by AP */
124 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
126 /* U-APSD queues for WMM IEs sent by STA */
127 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
128 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
129 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
130 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
131 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
133 /* U-APSD max SP length for WMM IEs sent by STA */
134 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
135 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
136 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
137 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
138 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
139 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
141 #define IEEE80211_HT_CTL_LEN 4
143 struct ieee80211_hdr {
144 __le16 frame_control;
151 } __attribute__ ((packed));
153 struct ieee80211_hdr_3addr {
154 __le16 frame_control;
160 } __attribute__ ((packed));
162 struct ieee80211_qos_hdr {
163 __le16 frame_control;
170 } __attribute__ ((packed));
173 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
174 * @fc: frame control bytes in little-endian byteorder
176 static inline int ieee80211_has_tods(__le16 fc)
178 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
182 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
183 * @fc: frame control bytes in little-endian byteorder
185 static inline int ieee80211_has_fromds(__le16 fc)
187 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
191 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
192 * @fc: frame control bytes in little-endian byteorder
194 static inline int ieee80211_has_a4(__le16 fc)
196 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
197 return (fc & tmp) == tmp;
201 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
202 * @fc: frame control bytes in little-endian byteorder
204 static inline int ieee80211_has_morefrags(__le16 fc)
206 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
210 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
211 * @fc: frame control bytes in little-endian byteorder
213 static inline int ieee80211_has_retry(__le16 fc)
215 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
219 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
220 * @fc: frame control bytes in little-endian byteorder
222 static inline int ieee80211_has_pm(__le16 fc)
224 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
228 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
229 * @fc: frame control bytes in little-endian byteorder
231 static inline int ieee80211_has_moredata(__le16 fc)
233 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
237 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
238 * @fc: frame control bytes in little-endian byteorder
240 static inline int ieee80211_has_protected(__le16 fc)
242 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
246 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
247 * @fc: frame control bytes in little-endian byteorder
249 static inline int ieee80211_has_order(__le16 fc)
251 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
255 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
256 * @fc: frame control bytes in little-endian byteorder
258 static inline int ieee80211_is_mgmt(__le16 fc)
260 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
261 cpu_to_le16(IEEE80211_FTYPE_MGMT);
265 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
266 * @fc: frame control bytes in little-endian byteorder
268 static inline int ieee80211_is_ctl(__le16 fc)
270 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
271 cpu_to_le16(IEEE80211_FTYPE_CTL);
275 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
276 * @fc: frame control bytes in little-endian byteorder
278 static inline int ieee80211_is_data(__le16 fc)
280 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
281 cpu_to_le16(IEEE80211_FTYPE_DATA);
285 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
286 * @fc: frame control bytes in little-endian byteorder
288 static inline int ieee80211_is_data_qos(__le16 fc)
291 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
292 * to check the one bit
294 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
295 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
299 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
300 * @fc: frame control bytes in little-endian byteorder
302 static inline int ieee80211_is_data_present(__le16 fc)
305 * mask with 0x40 and test that that bit is clear to only return true
306 * for the data-containing substypes.
308 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
309 cpu_to_le16(IEEE80211_FTYPE_DATA);
313 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
314 * @fc: frame control bytes in little-endian byteorder
316 static inline int ieee80211_is_assoc_req(__le16 fc)
318 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
319 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
323 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
324 * @fc: frame control bytes in little-endian byteorder
326 static inline int ieee80211_is_assoc_resp(__le16 fc)
328 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
329 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
333 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
334 * @fc: frame control bytes in little-endian byteorder
336 static inline int ieee80211_is_reassoc_req(__le16 fc)
338 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
339 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
343 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
344 * @fc: frame control bytes in little-endian byteorder
346 static inline int ieee80211_is_reassoc_resp(__le16 fc)
348 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
349 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
353 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
354 * @fc: frame control bytes in little-endian byteorder
356 static inline int ieee80211_is_probe_req(__le16 fc)
358 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
359 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
363 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
364 * @fc: frame control bytes in little-endian byteorder
366 static inline int ieee80211_is_probe_resp(__le16 fc)
368 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
369 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
373 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
374 * @fc: frame control bytes in little-endian byteorder
376 static inline int ieee80211_is_beacon(__le16 fc)
378 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
379 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
383 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
384 * @fc: frame control bytes in little-endian byteorder
386 static inline int ieee80211_is_atim(__le16 fc)
388 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
389 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
393 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
394 * @fc: frame control bytes in little-endian byteorder
396 static inline int ieee80211_is_disassoc(__le16 fc)
398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
399 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
403 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
404 * @fc: frame control bytes in little-endian byteorder
406 static inline int ieee80211_is_auth(__le16 fc)
408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
413 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
414 * @fc: frame control bytes in little-endian byteorder
416 static inline int ieee80211_is_deauth(__le16 fc)
418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
423 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
424 * @fc: frame control bytes in little-endian byteorder
426 static inline int ieee80211_is_action(__le16 fc)
428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
433 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
434 * @fc: frame control bytes in little-endian byteorder
436 static inline int ieee80211_is_back_req(__le16 fc)
438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
439 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
443 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
444 * @fc: frame control bytes in little-endian byteorder
446 static inline int ieee80211_is_back(__le16 fc)
448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
449 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
453 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
454 * @fc: frame control bytes in little-endian byteorder
456 static inline int ieee80211_is_pspoll(__le16 fc)
458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
459 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
463 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
464 * @fc: frame control bytes in little-endian byteorder
466 static inline int ieee80211_is_rts(__le16 fc)
468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
469 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
473 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
474 * @fc: frame control bytes in little-endian byteorder
476 static inline int ieee80211_is_cts(__le16 fc)
478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
479 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
483 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
484 * @fc: frame control bytes in little-endian byteorder
486 static inline int ieee80211_is_ack(__le16 fc)
488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
489 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
493 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
494 * @fc: frame control bytes in little-endian byteorder
496 static inline int ieee80211_is_cfend(__le16 fc)
498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
499 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
503 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
504 * @fc: frame control bytes in little-endian byteorder
506 static inline int ieee80211_is_cfendack(__le16 fc)
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
509 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
513 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
514 * @fc: frame control bytes in little-endian byteorder
516 static inline int ieee80211_is_nullfunc(__le16 fc)
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
523 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
524 * @fc: frame control bytes in little-endian byteorder
526 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
532 struct ieee80211s_hdr {
539 } __attribute__ ((packed));
542 #define MESH_FLAGS_AE_A4 0x1
543 #define MESH_FLAGS_AE_A5_A6 0x2
544 #define MESH_FLAGS_AE 0x3
545 #define MESH_FLAGS_PS_DEEP 0x4
548 * struct ieee80211_quiet_ie
550 * This structure refers to "Quiet information element"
552 struct ieee80211_quiet_ie {
557 } __attribute__ ((packed));
560 * struct ieee80211_msrment_ie
562 * This structure refers to "Measurement Request/Report information element"
564 struct ieee80211_msrment_ie {
569 } __attribute__ ((packed));
572 * struct ieee80211_channel_sw_ie
574 * This structure refers to "Channel Switch Announcement information element"
576 struct ieee80211_channel_sw_ie {
580 } __attribute__ ((packed));
583 * struct ieee80211_tim
585 * This structure refers to "Traffic Indication Map information element"
587 struct ieee80211_tim_ie {
591 /* variable size: 1 - 251 bytes */
593 } __attribute__ ((packed));
596 * struct ieee80211_meshconf_ie
598 * This structure refers to "Mesh Configuration information element"
600 struct ieee80211_meshconf_ie {
608 } __attribute__ ((packed));
611 * struct ieee80211_rann_ie
613 * This structure refers to "Root Announcement information element"
615 struct ieee80211_rann_ie {
622 } __attribute__ ((packed));
624 #define WLAN_SA_QUERY_TR_ID_LEN 2
626 struct ieee80211_mgmt {
627 __le16 frame_control;
636 __le16 auth_transaction;
638 /* possibly followed by Challenge text */
640 } __attribute__ ((packed)) auth;
643 } __attribute__ ((packed)) deauth;
646 __le16 listen_interval;
647 /* followed by SSID and Supported rates */
649 } __attribute__ ((packed)) assoc_req;
654 /* followed by Supported rates */
656 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
659 __le16 listen_interval;
661 /* followed by SSID and Supported rates */
663 } __attribute__ ((packed)) reassoc_req;
666 } __attribute__ ((packed)) disassoc;
671 /* followed by some of SSID, Supported rates,
672 * FH Params, DS Params, CF Params, IBSS Params, TIM */
674 } __attribute__ ((packed)) beacon;
676 /* only variable items: SSID, Supported rates */
678 } __attribute__ ((packed)) probe_req;
683 /* followed by some of SSID, Supported rates,
684 * FH Params, DS Params, CF Params, IBSS Params */
686 } __attribute__ ((packed)) probe_resp;
695 } __attribute__ ((packed)) wme_action;
700 struct ieee80211_channel_sw_ie sw_elem;
701 } __attribute__((packed)) chan_switch;
707 struct ieee80211_msrment_ie msr_elem;
708 } __attribute__((packed)) measurement;
714 __le16 start_seq_num;
715 } __attribute__((packed)) addba_req;
722 } __attribute__((packed)) addba_resp;
727 } __attribute__((packed)) delba;
730 /* capab_info for open and confirm,
734 /* Followed in plink_confirm by status
735 * code, AID and supported rates,
736 * and directly by supported rates in
737 * plink_open and plink_close
740 } __attribute__((packed)) plink_action;
744 } __attribute__((packed)) mesh_action;
747 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
748 } __attribute__ ((packed)) sa_query;
752 } __attribute__ ((packed)) ht_smps;
754 } __attribute__ ((packed)) action;
756 } __attribute__ ((packed));
758 /* mgmt header + 1 byte category code */
759 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
762 /* Management MIC information element (IEEE 802.11w) */
763 struct ieee80211_mmie {
767 u8 sequence_number[6];
769 } __attribute__ ((packed));
772 struct ieee80211_rts {
773 __le16 frame_control;
777 } __attribute__ ((packed));
779 struct ieee80211_cts {
780 __le16 frame_control;
783 } __attribute__ ((packed));
785 struct ieee80211_pspoll {
786 __le16 frame_control;
790 } __attribute__ ((packed));
793 * struct ieee80211_bar - HT Block Ack Request
795 * This structure refers to "HT BlockAckReq" as
796 * described in 802.11n draft section 7.2.1.7.1
798 struct ieee80211_bar {
799 __le16 frame_control;
804 __le16 start_seq_num;
805 } __attribute__((packed));
807 /* 802.11 BAR control masks */
808 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
809 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
812 #define IEEE80211_HT_MCS_MASK_LEN 10
815 * struct ieee80211_mcs_info - MCS information
817 * @rx_highest: highest supported RX rate. If set represents
818 * the highest supported RX data rate in units of 1 Mbps.
819 * If this field is 0 this value should not be used to
820 * consider the highest RX data rate supported.
821 * @tx_params: TX parameters
823 struct ieee80211_mcs_info {
824 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
828 } __attribute__((packed));
830 /* 802.11n HT capability MSC set */
831 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
832 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
833 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
834 /* value 0 == 1 stream etc */
835 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
836 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
837 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
838 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
841 * 802.11n D5.0 20.3.5 / 20.6 says:
842 * - indices 0 to 7 and 32 are single spatial stream
843 * - 8 to 31 are multiple spatial streams using equal modulation
844 * [8..15 for two streams, 16..23 for three and 24..31 for four]
845 * - remainder are multiple spatial streams using unequal modulation
847 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
848 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
849 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
852 * struct ieee80211_ht_cap - HT capabilities
854 * This structure is the "HT capabilities element" as
855 * described in 802.11n D5.0 7.3.2.57
857 struct ieee80211_ht_cap {
859 u8 ampdu_params_info;
861 /* 16 bytes MCS information */
862 struct ieee80211_mcs_info mcs;
864 __le16 extended_ht_cap_info;
865 __le32 tx_BF_cap_info;
866 u8 antenna_selection_info;
867 } __attribute__ ((packed));
869 /* 802.11n HT capabilities masks (for cap_info) */
870 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
871 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
872 #define IEEE80211_HT_CAP_SM_PS 0x000C
873 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
874 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
875 #define IEEE80211_HT_CAP_SGI_20 0x0020
876 #define IEEE80211_HT_CAP_SGI_40 0x0040
877 #define IEEE80211_HT_CAP_TX_STBC 0x0080
878 #define IEEE80211_HT_CAP_RX_STBC 0x0300
879 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
880 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
881 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
882 #define IEEE80211_HT_CAP_RESERVED 0x2000
883 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
884 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
886 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
887 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
888 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
889 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
892 * Maximum length of AMPDU that the STA can receive.
893 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
895 enum ieee80211_max_ampdu_length_exp {
896 IEEE80211_HT_MAX_AMPDU_8K = 0,
897 IEEE80211_HT_MAX_AMPDU_16K = 1,
898 IEEE80211_HT_MAX_AMPDU_32K = 2,
899 IEEE80211_HT_MAX_AMPDU_64K = 3
902 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
904 /* Minimum MPDU start spacing */
905 enum ieee80211_min_mpdu_spacing {
906 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
907 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
908 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
909 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
910 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
911 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
912 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
913 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
917 * struct ieee80211_ht_info - HT information
919 * This structure is the "HT information element" as
920 * described in 802.11n D5.0 7.3.2.58
922 struct ieee80211_ht_info {
925 __le16 operation_mode;
928 } __attribute__ ((packed));
931 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
932 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
933 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
934 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
935 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
936 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
937 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
938 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
940 /* for operation_mode */
941 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
942 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
943 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
944 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
945 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
946 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
947 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
950 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
951 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
952 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
953 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
954 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
955 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
958 /* block-ack parameters */
959 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
960 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
961 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
962 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
963 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
966 * A-PMDU buffer sizes
967 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
969 #define IEEE80211_MIN_AMPDU_BUF 0x8
970 #define IEEE80211_MAX_AMPDU_BUF 0x40
973 /* Spatial Multiplexing Power Save Modes (for capability) */
974 #define WLAN_HT_CAP_SM_PS_STATIC 0
975 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
976 #define WLAN_HT_CAP_SM_PS_INVALID 2
977 #define WLAN_HT_CAP_SM_PS_DISABLED 3
979 /* for SM power control field lower two bits */
980 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
981 #define WLAN_HT_SMPS_CONTROL_STATIC 1
982 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
984 /* Authentication algorithms */
985 #define WLAN_AUTH_OPEN 0
986 #define WLAN_AUTH_SHARED_KEY 1
987 #define WLAN_AUTH_FT 2
988 #define WLAN_AUTH_LEAP 128
990 #define WLAN_AUTH_CHALLENGE_LEN 128
992 #define WLAN_CAPABILITY_ESS (1<<0)
993 #define WLAN_CAPABILITY_IBSS (1<<1)
994 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
995 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
996 #define WLAN_CAPABILITY_PRIVACY (1<<4)
997 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
998 #define WLAN_CAPABILITY_PBCC (1<<6)
999 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1002 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1003 #define WLAN_CAPABILITY_QOS (1<<9)
1004 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1005 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1007 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1008 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1009 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1011 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1012 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1013 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1016 /* 802.11g ERP information element */
1017 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1018 #define WLAN_ERP_USE_PROTECTION (1<<1)
1019 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1021 /* WLAN_ERP_BARKER_PREAMBLE values */
1023 WLAN_ERP_PREAMBLE_SHORT = 0,
1024 WLAN_ERP_PREAMBLE_LONG = 1,
1028 enum ieee80211_statuscode {
1029 WLAN_STATUS_SUCCESS = 0,
1030 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1031 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1032 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1033 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1034 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1035 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1036 WLAN_STATUS_CHALLENGE_FAIL = 15,
1037 WLAN_STATUS_AUTH_TIMEOUT = 16,
1038 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1039 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1041 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1042 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1043 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1045 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1046 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1047 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1049 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1050 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1052 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1053 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1055 WLAN_STATUS_INVALID_IE = 40,
1056 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1057 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1058 WLAN_STATUS_INVALID_AKMP = 43,
1059 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1060 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1061 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1063 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1064 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1065 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1066 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1067 WLAN_STATUS_REQUEST_DECLINED = 37,
1068 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1069 WLAN_STATUS_CHANGE_TSPEC = 39,
1070 WLAN_STATUS_WAIT_TS_DELAY = 47,
1071 WLAN_STATUS_NO_DIRECT_LINK = 48,
1072 WLAN_STATUS_STA_NOT_PRESENT = 49,
1073 WLAN_STATUS_STA_NOT_QSTA = 50,
1078 enum ieee80211_reasoncode {
1079 WLAN_REASON_UNSPECIFIED = 1,
1080 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1081 WLAN_REASON_DEAUTH_LEAVING = 3,
1082 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1083 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1084 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1085 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1086 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1087 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1089 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1090 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1092 WLAN_REASON_INVALID_IE = 13,
1093 WLAN_REASON_MIC_FAILURE = 14,
1094 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1095 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1096 WLAN_REASON_IE_DIFFERENT = 17,
1097 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1098 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1099 WLAN_REASON_INVALID_AKMP = 20,
1100 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1101 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1102 WLAN_REASON_IEEE8021X_FAILED = 23,
1103 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1105 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1106 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1107 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1108 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1109 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1110 WLAN_REASON_QSTA_NOT_USE = 37,
1111 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1112 WLAN_REASON_QSTA_TIMEOUT = 39,
1113 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1117 /* Information Element IDs */
1118 enum ieee80211_eid {
1120 WLAN_EID_SUPP_RATES = 1,
1121 WLAN_EID_FH_PARAMS = 2,
1122 WLAN_EID_DS_PARAMS = 3,
1123 WLAN_EID_CF_PARAMS = 4,
1125 WLAN_EID_IBSS_PARAMS = 6,
1126 WLAN_EID_CHALLENGE = 16,
1128 WLAN_EID_COUNTRY = 7,
1129 WLAN_EID_HP_PARAMS = 8,
1130 WLAN_EID_HP_TABLE = 9,
1131 WLAN_EID_REQUEST = 10,
1133 WLAN_EID_QBSS_LOAD = 11,
1134 WLAN_EID_EDCA_PARAM_SET = 12,
1135 WLAN_EID_TSPEC = 13,
1136 WLAN_EID_TCLAS = 14,
1137 WLAN_EID_SCHEDULE = 15,
1138 WLAN_EID_TS_DELAY = 43,
1139 WLAN_EID_TCLAS_PROCESSING = 44,
1140 WLAN_EID_QOS_CAPA = 46,
1143 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
1144 * The numbers have been incremented from those suggested in
1145 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
1148 WLAN_EID_MESH_CONFIG = 51,
1149 WLAN_EID_MESH_ID = 52,
1150 WLAN_EID_PEER_LINK = 55,
1154 WLAN_EID_RANN = 49, /* compatible with FreeBSD */
1156 WLAN_EID_PWR_CONSTRAINT = 32,
1157 WLAN_EID_PWR_CAPABILITY = 33,
1158 WLAN_EID_TPC_REQUEST = 34,
1159 WLAN_EID_TPC_REPORT = 35,
1160 WLAN_EID_SUPPORTED_CHANNELS = 36,
1161 WLAN_EID_CHANNEL_SWITCH = 37,
1162 WLAN_EID_MEASURE_REQUEST = 38,
1163 WLAN_EID_MEASURE_REPORT = 39,
1164 WLAN_EID_QUIET = 40,
1165 WLAN_EID_IBSS_DFS = 41,
1167 WLAN_EID_ERP_INFO = 42,
1168 WLAN_EID_EXT_SUPP_RATES = 50,
1170 WLAN_EID_HT_CAPABILITY = 45,
1171 WLAN_EID_HT_INFORMATION = 61,
1176 WLAN_EID_GENERIC = 221,
1177 WLAN_EID_VENDOR_SPECIFIC = 221,
1178 WLAN_EID_QOS_PARAMETER = 222,
1180 WLAN_EID_AP_CHAN_REPORT = 51,
1181 WLAN_EID_NEIGHBOR_REPORT = 52,
1183 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1184 WLAN_EID_ANTENNA_INFO = 64,
1186 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1187 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1188 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1189 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1190 WLAN_EID_MULTIPLE_BSSID = 71,
1192 WLAN_EID_MOBILITY_DOMAIN = 54,
1193 WLAN_EID_FAST_BSS_TRANSITION = 55,
1194 WLAN_EID_TIMEOUT_INTERVAL = 56,
1195 WLAN_EID_RIC_DATA = 57,
1196 WLAN_EID_RIC_DESCRIPTOR = 75,
1198 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1199 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1200 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1203 /* Action category code */
1204 enum ieee80211_category {
1205 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1206 WLAN_CATEGORY_QOS = 1,
1207 WLAN_CATEGORY_DLS = 2,
1208 WLAN_CATEGORY_BACK = 3,
1209 WLAN_CATEGORY_PUBLIC = 4,
1210 WLAN_CATEGORY_HT = 7,
1211 WLAN_CATEGORY_SA_QUERY = 8,
1212 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1213 WLAN_CATEGORY_WMM = 17,
1214 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1215 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1218 /* SPECTRUM_MGMT action code */
1219 enum ieee80211_spectrum_mgmt_actioncode {
1220 WLAN_ACTION_SPCT_MSR_REQ = 0,
1221 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1222 WLAN_ACTION_SPCT_TPC_REQ = 2,
1223 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1224 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1227 /* HT action codes */
1228 enum ieee80211_ht_actioncode {
1229 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1230 WLAN_HT_ACTION_SMPS = 1,
1231 WLAN_HT_ACTION_PSMP = 2,
1232 WLAN_HT_ACTION_PCO_PHASE = 3,
1233 WLAN_HT_ACTION_CSI = 4,
1234 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1235 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1236 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1239 /* Security key length */
1240 enum ieee80211_key_len {
1241 WLAN_KEY_LEN_WEP40 = 5,
1242 WLAN_KEY_LEN_WEP104 = 13,
1243 WLAN_KEY_LEN_CCMP = 16,
1244 WLAN_KEY_LEN_TKIP = 32,
1245 WLAN_KEY_LEN_AES_CMAC = 16,
1249 * IEEE 802.11-2007 7.3.2.9 Country information element
1251 * Minimum length is 8 octets, ie len must be evenly
1255 /* Although the spec says 8 I'm seeing 6 in practice */
1256 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1259 * For regulatory extension stuff see IEEE 802.11-2007
1260 * Annex I (page 1141) and Annex J (page 1147). Also
1263 * When dot11RegulatoryClassesRequired is true and the
1264 * first_channel/reg_extension_id is >= 201 then the IE
1265 * compromises of the 'ext' struct represented below:
1267 * - Regulatory extension ID - when generating IE this just needs
1268 * to be monotonically increasing for each triplet passed in
1270 * - Regulatory class - index into set of rules
1271 * - Coverage class - index into air propagation time (Table 7-27),
1272 * in microseconds, you can compute the air propagation time from
1273 * the index by multiplying by 3, so index 10 yields a propagation
1274 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1275 * yet. A value of 0 inicates air propagation of <= 1 us.
1277 * See also Table I.2 for Emission limit sets and table
1278 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1279 * a reg_class to an emission limit set and behavior limit set.
1281 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1284 * Channels numbers in the IE must be monotonically increasing
1285 * if dot11RegulatoryClassesRequired is not true.
1287 * If dot11RegulatoryClassesRequired is true consecutive
1288 * subband triplets following a regulatory triplet shall
1289 * have monotonically increasing first_channel number fields.
1291 * Channel numbers shall not overlap.
1293 * Note that max_power is signed.
1295 struct ieee80211_country_ie_triplet {
1301 } __attribute__ ((packed)) chans;
1303 u8 reg_extension_id;
1306 } __attribute__ ((packed)) ext;
1308 } __attribute__ ((packed));
1310 enum ieee80211_timeout_interval_type {
1311 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1312 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1313 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1316 /* BACK action code */
1317 enum ieee80211_back_actioncode {
1318 WLAN_ACTION_ADDBA_REQ = 0,
1319 WLAN_ACTION_ADDBA_RESP = 1,
1320 WLAN_ACTION_DELBA = 2,
1323 /* BACK (block-ack) parties */
1324 enum ieee80211_back_parties {
1325 WLAN_BACK_RECIPIENT = 0,
1326 WLAN_BACK_INITIATOR = 1,
1327 WLAN_BACK_TIMER = 2,
1330 /* SA Query action */
1331 enum ieee80211_sa_query_action {
1332 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1333 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1337 /* A-MSDU 802.11n */
1338 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1340 /* cipher suite selectors */
1341 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1342 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1343 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1344 /* reserved: 0x000FAC03 */
1345 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1346 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1347 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1349 /* AKM suite selectors */
1350 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1351 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1353 #define WLAN_MAX_KEY_LEN 32
1355 #define WLAN_PMKID_LEN 16
1358 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1361 * The qos ctrl bytes come after the frame_control, duration, seq_num
1362 * and 3 or 4 addresses of length ETH_ALEN.
1363 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1364 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1366 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1368 if (ieee80211_has_a4(hdr->frame_control))
1369 return (u8 *)hdr + 30;
1371 return (u8 *)hdr + 24;
1375 * ieee80211_get_SA - get pointer to SA
1378 * Given an 802.11 frame, this function returns the offset
1379 * to the source address (SA). It does not verify that the
1380 * header is long enough to contain the address, and the
1381 * header must be long enough to contain the frame control
1384 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1386 if (ieee80211_has_a4(hdr->frame_control))
1388 if (ieee80211_has_fromds(hdr->frame_control))
1394 * ieee80211_get_DA - get pointer to DA
1397 * Given an 802.11 frame, this function returns the offset
1398 * to the destination address (DA). It does not verify that
1399 * the header is long enough to contain the address, and the
1400 * header must be long enough to contain the frame control
1403 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1405 if (ieee80211_has_tods(hdr->frame_control))
1412 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1413 * @hdr: the frame (buffer must include at least the first octet of payload)
1415 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1417 if (ieee80211_is_disassoc(hdr->frame_control) ||
1418 ieee80211_is_deauth(hdr->frame_control))
1421 if (ieee80211_is_action(hdr->frame_control)) {
1425 * Action frames, excluding Public Action frames, are Robust
1426 * Management Frames. However, if we are looking at a Protected
1427 * frame, skip the check since the data may be encrypted and
1428 * the frame has already been found to be a Robust Management
1429 * Frame (by the other end).
1431 if (ieee80211_has_protected(hdr->frame_control))
1433 category = ((u8 *) hdr) + 24;
1434 return *category != WLAN_CATEGORY_PUBLIC &&
1435 *category != WLAN_CATEGORY_HT &&
1436 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1443 * ieee80211_fhss_chan_to_freq - get channel frequency
1444 * @channel: the FHSS channel
1446 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1447 * Ref IEEE 802.11-2007 section 14.6
1449 static inline int ieee80211_fhss_chan_to_freq(int channel)
1451 if ((channel > 1) && (channel < 96))
1452 return channel + 2400;
1458 * ieee80211_freq_to_fhss_chan - get channel
1459 * @freq: the channels frequency
1461 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1462 * Ref IEEE 802.11-2007 section 14.6
1464 static inline int ieee80211_freq_to_fhss_chan(int freq)
1466 if ((freq > 2401) && (freq < 2496))
1473 * ieee80211_dsss_chan_to_freq - get channel center frequency
1474 * @channel: the DSSS channel
1476 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1477 * Ref IEEE 802.11-2007 section 15.6
1479 static inline int ieee80211_dsss_chan_to_freq(int channel)
1481 if ((channel > 0) && (channel < 14))
1482 return 2407 + (channel * 5);
1483 else if (channel == 14)
1490 * ieee80211_freq_to_dsss_chan - get channel
1491 * @freq: the frequency
1493 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1494 * Ref IEEE 802.11-2007 section 15.6
1496 * This routine selects the channel with the closest center frequency.
1498 static inline int ieee80211_freq_to_dsss_chan(int freq)
1500 if ((freq >= 2410) && (freq < 2475))
1501 return (freq - 2405) / 5;
1502 else if ((freq >= 2482) && (freq < 2487))
1508 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1509 * Ref IEEE 802.11-2007 section 18.4.6.2
1511 * The channels and frequencies are the same as those defined for DSSS
1513 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1514 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1516 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1517 * Ref IEEE 802.11-2007 section 19.4.2
1519 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1520 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1523 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1524 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1525 * @channel: the OFDM channel
1527 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1528 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1530 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1532 if ((channel > 0) && (channel <= 200) &&
1534 return s_freq + (channel * 5);
1540 * ieee80211_freq_to_ofdm_channel - get channel
1541 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1542 * @freq: the frequency
1544 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1545 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1547 * This routine selects the channel with the closest center frequency.
1549 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1551 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1553 return (freq + 2 - s_freq) / 5;
1559 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1562 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1568 * ieee80211_check_tim - check if AID bit is set in TIM
1570 * @tim_len: length of the TIM IE
1571 * @aid: the AID to look for
1573 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1574 u8 tim_len, u16 aid)
1577 u8 index, indexn1, indexn2;
1579 if (unlikely(!tim || tim_len < sizeof(*tim)))
1584 mask = 1 << (aid & 7);
1586 indexn1 = tim->bitmap_ctrl & 0xfe;
1587 indexn2 = tim_len + indexn1 - 4;
1589 if (index < indexn1 || index > indexn2)
1594 return !!(tim->virtual_map[index] & mask);
1597 #endif /* LINUX_IEEE80211_H */