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
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)
125 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
127 /* U-APSD queues for WMM IEs sent by STA */
128 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
129 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
130 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
131 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
132 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
134 /* U-APSD max SP length for WMM IEs sent by STA */
135 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
136 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
137 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
138 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
139 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
140 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
142 #define IEEE80211_HT_CTL_LEN 4
144 struct ieee80211_hdr
{
145 __le16 frame_control
;
152 } __attribute__ ((packed
));
154 struct ieee80211_hdr_3addr
{
155 __le16 frame_control
;
161 } __attribute__ ((packed
));
163 struct ieee80211_qos_hdr
{
164 __le16 frame_control
;
171 } __attribute__ ((packed
));
174 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
175 * @fc: frame control bytes in little-endian byteorder
177 static inline int ieee80211_has_tods(__le16 fc
)
179 return (fc
& cpu_to_le16(IEEE80211_FCTL_TODS
)) != 0;
183 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
184 * @fc: frame control bytes in little-endian byteorder
186 static inline int ieee80211_has_fromds(__le16 fc
)
188 return (fc
& cpu_to_le16(IEEE80211_FCTL_FROMDS
)) != 0;
192 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
193 * @fc: frame control bytes in little-endian byteorder
195 static inline int ieee80211_has_a4(__le16 fc
)
197 __le16 tmp
= cpu_to_le16(IEEE80211_FCTL_TODS
| IEEE80211_FCTL_FROMDS
);
198 return (fc
& tmp
) == tmp
;
202 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
203 * @fc: frame control bytes in little-endian byteorder
205 static inline int ieee80211_has_morefrags(__le16 fc
)
207 return (fc
& cpu_to_le16(IEEE80211_FCTL_MOREFRAGS
)) != 0;
211 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
212 * @fc: frame control bytes in little-endian byteorder
214 static inline int ieee80211_has_retry(__le16 fc
)
216 return (fc
& cpu_to_le16(IEEE80211_FCTL_RETRY
)) != 0;
220 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
221 * @fc: frame control bytes in little-endian byteorder
223 static inline int ieee80211_has_pm(__le16 fc
)
225 return (fc
& cpu_to_le16(IEEE80211_FCTL_PM
)) != 0;
229 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
230 * @fc: frame control bytes in little-endian byteorder
232 static inline int ieee80211_has_moredata(__le16 fc
)
234 return (fc
& cpu_to_le16(IEEE80211_FCTL_MOREDATA
)) != 0;
238 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
239 * @fc: frame control bytes in little-endian byteorder
241 static inline int ieee80211_has_protected(__le16 fc
)
243 return (fc
& cpu_to_le16(IEEE80211_FCTL_PROTECTED
)) != 0;
247 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
248 * @fc: frame control bytes in little-endian byteorder
250 static inline int ieee80211_has_order(__le16 fc
)
252 return (fc
& cpu_to_le16(IEEE80211_FCTL_ORDER
)) != 0;
256 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
257 * @fc: frame control bytes in little-endian byteorder
259 static inline int ieee80211_is_mgmt(__le16 fc
)
261 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
262 cpu_to_le16(IEEE80211_FTYPE_MGMT
);
266 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
267 * @fc: frame control bytes in little-endian byteorder
269 static inline int ieee80211_is_ctl(__le16 fc
)
271 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
272 cpu_to_le16(IEEE80211_FTYPE_CTL
);
276 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
277 * @fc: frame control bytes in little-endian byteorder
279 static inline int ieee80211_is_data(__le16 fc
)
281 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
282 cpu_to_le16(IEEE80211_FTYPE_DATA
);
286 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
287 * @fc: frame control bytes in little-endian byteorder
289 static inline int ieee80211_is_data_qos(__le16 fc
)
292 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
293 * to check the one bit
295 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_STYPE_QOS_DATA
)) ==
296 cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_QOS_DATA
);
300 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
301 * @fc: frame control bytes in little-endian byteorder
303 static inline int ieee80211_is_data_present(__le16 fc
)
306 * mask with 0x40 and test that that bit is clear to only return true
307 * for the data-containing substypes.
309 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| 0x40)) ==
310 cpu_to_le16(IEEE80211_FTYPE_DATA
);
314 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
315 * @fc: frame control bytes in little-endian byteorder
317 static inline int ieee80211_is_assoc_req(__le16 fc
)
319 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
320 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ASSOC_REQ
);
324 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
325 * @fc: frame control bytes in little-endian byteorder
327 static inline int ieee80211_is_assoc_resp(__le16 fc
)
329 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
330 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ASSOC_RESP
);
334 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
335 * @fc: frame control bytes in little-endian byteorder
337 static inline int ieee80211_is_reassoc_req(__le16 fc
)
339 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
340 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_REASSOC_REQ
);
344 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
345 * @fc: frame control bytes in little-endian byteorder
347 static inline int ieee80211_is_reassoc_resp(__le16 fc
)
349 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_REASSOC_RESP
);
354 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
355 * @fc: frame control bytes in little-endian byteorder
357 static inline int ieee80211_is_probe_req(__le16 fc
)
359 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
360 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
);
364 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
365 * @fc: frame control bytes in little-endian byteorder
367 static inline int ieee80211_is_probe_resp(__le16 fc
)
369 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
370 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_RESP
);
374 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
375 * @fc: frame control bytes in little-endian byteorder
377 static inline int ieee80211_is_beacon(__le16 fc
)
379 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
380 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_BEACON
);
384 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
385 * @fc: frame control bytes in little-endian byteorder
387 static inline int ieee80211_is_atim(__le16 fc
)
389 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ATIM
);
394 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
395 * @fc: frame control bytes in little-endian byteorder
397 static inline int ieee80211_is_disassoc(__le16 fc
)
399 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
400 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_DISASSOC
);
404 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
405 * @fc: frame control bytes in little-endian byteorder
407 static inline int ieee80211_is_auth(__le16 fc
)
409 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
410 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
);
414 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
415 * @fc: frame control bytes in little-endian byteorder
417 static inline int ieee80211_is_deauth(__le16 fc
)
419 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
420 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_DEAUTH
);
424 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
425 * @fc: frame control bytes in little-endian byteorder
427 static inline int ieee80211_is_action(__le16 fc
)
429 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
430 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
);
434 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
435 * @fc: frame control bytes in little-endian byteorder
437 static inline int ieee80211_is_back_req(__le16 fc
)
439 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
440 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_BACK_REQ
);
444 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
445 * @fc: frame control bytes in little-endian byteorder
447 static inline int ieee80211_is_back(__le16 fc
)
449 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
450 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_BACK
);
454 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
455 * @fc: frame control bytes in little-endian byteorder
457 static inline int ieee80211_is_pspoll(__le16 fc
)
459 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_PSPOLL
);
464 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
465 * @fc: frame control bytes in little-endian byteorder
467 static inline int ieee80211_is_rts(__le16 fc
)
469 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
470 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_RTS
);
474 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
475 * @fc: frame control bytes in little-endian byteorder
477 static inline int ieee80211_is_cts(__le16 fc
)
479 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
480 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CTS
);
484 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
485 * @fc: frame control bytes in little-endian byteorder
487 static inline int ieee80211_is_ack(__le16 fc
)
489 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
490 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_ACK
);
494 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
495 * @fc: frame control bytes in little-endian byteorder
497 static inline int ieee80211_is_cfend(__le16 fc
)
499 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
500 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CFEND
);
504 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
505 * @fc: frame control bytes in little-endian byteorder
507 static inline int ieee80211_is_cfendack(__le16 fc
)
509 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
510 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CFENDACK
);
514 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
515 * @fc: frame control bytes in little-endian byteorder
517 static inline int ieee80211_is_nullfunc(__le16 fc
)
519 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
520 cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_NULLFUNC
);
524 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
525 * @fc: frame control bytes in little-endian byteorder
527 static inline int ieee80211_is_qos_nullfunc(__le16 fc
)
529 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
530 cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_QOS_NULLFUNC
);
533 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_RX_STBC_SHIFT 8
880 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
881 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
882 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
883 #define IEEE80211_HT_CAP_RESERVED 0x2000
884 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
885 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
887 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
888 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
889 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
890 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
891 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
892 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
893 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
894 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
896 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
897 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
898 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
899 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
902 * Maximum length of AMPDU that the STA can receive.
903 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
905 enum ieee80211_max_ampdu_length_exp
{
906 IEEE80211_HT_MAX_AMPDU_8K
= 0,
907 IEEE80211_HT_MAX_AMPDU_16K
= 1,
908 IEEE80211_HT_MAX_AMPDU_32K
= 2,
909 IEEE80211_HT_MAX_AMPDU_64K
= 3
912 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
914 /* Minimum MPDU start spacing */
915 enum ieee80211_min_mpdu_spacing
{
916 IEEE80211_HT_MPDU_DENSITY_NONE
= 0, /* No restriction */
917 IEEE80211_HT_MPDU_DENSITY_0_25
= 1, /* 1/4 usec */
918 IEEE80211_HT_MPDU_DENSITY_0_5
= 2, /* 1/2 usec */
919 IEEE80211_HT_MPDU_DENSITY_1
= 3, /* 1 usec */
920 IEEE80211_HT_MPDU_DENSITY_2
= 4, /* 2 usec */
921 IEEE80211_HT_MPDU_DENSITY_4
= 5, /* 4 usec */
922 IEEE80211_HT_MPDU_DENSITY_8
= 6, /* 8 usec */
923 IEEE80211_HT_MPDU_DENSITY_16
= 7 /* 16 usec */
927 * struct ieee80211_ht_info - HT information
929 * This structure is the "HT information element" as
930 * described in 802.11n D5.0 7.3.2.58
932 struct ieee80211_ht_info
{
935 __le16 operation_mode
;
938 } __attribute__ ((packed
));
941 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
942 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
943 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
944 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
945 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
946 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
947 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
948 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
950 /* for operation_mode */
951 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
952 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
953 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
954 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
955 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
956 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
957 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
960 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
961 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
962 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
963 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
964 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
965 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
968 /* block-ack parameters */
969 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
970 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
971 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
972 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
973 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
976 * A-PMDU buffer sizes
977 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
979 #define IEEE80211_MIN_AMPDU_BUF 0x8
980 #define IEEE80211_MAX_AMPDU_BUF 0x40
983 /* Spatial Multiplexing Power Save Modes (for capability) */
984 #define WLAN_HT_CAP_SM_PS_STATIC 0
985 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
986 #define WLAN_HT_CAP_SM_PS_INVALID 2
987 #define WLAN_HT_CAP_SM_PS_DISABLED 3
989 /* for SM power control field lower two bits */
990 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
991 #define WLAN_HT_SMPS_CONTROL_STATIC 1
992 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
994 /* Authentication algorithms */
995 #define WLAN_AUTH_OPEN 0
996 #define WLAN_AUTH_SHARED_KEY 1
997 #define WLAN_AUTH_FT 2
998 #define WLAN_AUTH_SAE 3
999 #define WLAN_AUTH_LEAP 128
1001 #define WLAN_AUTH_CHALLENGE_LEN 128
1003 #define WLAN_CAPABILITY_ESS (1<<0)
1004 #define WLAN_CAPABILITY_IBSS (1<<1)
1005 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1006 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1007 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1008 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1009 #define WLAN_CAPABILITY_PBCC (1<<6)
1010 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1013 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1014 #define WLAN_CAPABILITY_QOS (1<<9)
1015 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1016 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1018 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1019 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1020 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1022 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1023 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1024 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1027 /* 802.11g ERP information element */
1028 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1029 #define WLAN_ERP_USE_PROTECTION (1<<1)
1030 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1032 /* WLAN_ERP_BARKER_PREAMBLE values */
1034 WLAN_ERP_PREAMBLE_SHORT
= 0,
1035 WLAN_ERP_PREAMBLE_LONG
= 1,
1039 enum ieee80211_statuscode
{
1040 WLAN_STATUS_SUCCESS
= 0,
1041 WLAN_STATUS_UNSPECIFIED_FAILURE
= 1,
1042 WLAN_STATUS_CAPS_UNSUPPORTED
= 10,
1043 WLAN_STATUS_REASSOC_NO_ASSOC
= 11,
1044 WLAN_STATUS_ASSOC_DENIED_UNSPEC
= 12,
1045 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG
= 13,
1046 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION
= 14,
1047 WLAN_STATUS_CHALLENGE_FAIL
= 15,
1048 WLAN_STATUS_AUTH_TIMEOUT
= 16,
1049 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA
= 17,
1050 WLAN_STATUS_ASSOC_DENIED_RATES
= 18,
1052 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE
= 19,
1053 WLAN_STATUS_ASSOC_DENIED_NOPBCC
= 20,
1054 WLAN_STATUS_ASSOC_DENIED_NOAGILITY
= 21,
1056 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM
= 22,
1057 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER
= 23,
1058 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN
= 24,
1060 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME
= 25,
1061 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM
= 26,
1063 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY
= 30,
1064 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION
= 31,
1066 WLAN_STATUS_INVALID_IE
= 40,
1067 WLAN_STATUS_INVALID_GROUP_CIPHER
= 41,
1068 WLAN_STATUS_INVALID_PAIRWISE_CIPHER
= 42,
1069 WLAN_STATUS_INVALID_AKMP
= 43,
1070 WLAN_STATUS_UNSUPP_RSN_VERSION
= 44,
1071 WLAN_STATUS_INVALID_RSN_IE_CAP
= 45,
1072 WLAN_STATUS_CIPHER_SUITE_REJECTED
= 46,
1074 WLAN_STATUS_UNSPECIFIED_QOS
= 32,
1075 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH
= 33,
1076 WLAN_STATUS_ASSOC_DENIED_LOWACK
= 34,
1077 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS
= 35,
1078 WLAN_STATUS_REQUEST_DECLINED
= 37,
1079 WLAN_STATUS_INVALID_QOS_PARAM
= 38,
1080 WLAN_STATUS_CHANGE_TSPEC
= 39,
1081 WLAN_STATUS_WAIT_TS_DELAY
= 47,
1082 WLAN_STATUS_NO_DIRECT_LINK
= 48,
1083 WLAN_STATUS_STA_NOT_PRESENT
= 49,
1084 WLAN_STATUS_STA_NOT_QSTA
= 50,
1086 WLAN_STATUS_ANTI_CLOG_REQUIRED
= 76,
1087 WLAN_STATUS_FCG_NOT_SUPP
= 78,
1088 WLAN_STATUS_STA_NO_TBTT
= 78,
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,
1130 WLAN_REASON_MESH_PEER_CANCELED
= 52,
1131 WLAN_REASON_MESH_MAX_PEERS
= 53,
1132 WLAN_REASON_MESH_CONFIG
= 54,
1133 WLAN_REASON_MESH_CLOSE
= 55,
1134 WLAN_REASON_MESH_MAX_RETRIES
= 56,
1135 WLAN_REASON_MESH_CONFIRM_TIMEOUT
= 57,
1136 WLAN_REASON_MESH_INVALID_GTK
= 58,
1137 WLAN_REASON_MESH_INCONSISTENT_PARAM
= 59,
1138 WLAN_REASON_MESH_INVALID_SECURITY
= 60,
1139 WLAN_REASON_MESH_PATH_ERROR
= 61,
1140 WLAN_REASON_MESH_PATH_NOFORWARD
= 62,
1141 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE
= 63,
1142 WLAN_REASON_MAC_EXISTS_IN_MBSS
= 64,
1143 WLAN_REASON_MESH_CHAN_REGULATORY
= 65,
1144 WLAN_REASON_MESH_CHAN
= 66,
1148 /* Information Element IDs */
1149 enum ieee80211_eid
{
1151 WLAN_EID_SUPP_RATES
= 1,
1152 WLAN_EID_FH_PARAMS
= 2,
1153 WLAN_EID_DS_PARAMS
= 3,
1154 WLAN_EID_CF_PARAMS
= 4,
1156 WLAN_EID_IBSS_PARAMS
= 6,
1157 WLAN_EID_CHALLENGE
= 16,
1159 WLAN_EID_COUNTRY
= 7,
1160 WLAN_EID_HP_PARAMS
= 8,
1161 WLAN_EID_HP_TABLE
= 9,
1162 WLAN_EID_REQUEST
= 10,
1164 WLAN_EID_QBSS_LOAD
= 11,
1165 WLAN_EID_EDCA_PARAM_SET
= 12,
1166 WLAN_EID_TSPEC
= 13,
1167 WLAN_EID_TCLAS
= 14,
1168 WLAN_EID_SCHEDULE
= 15,
1169 WLAN_EID_TS_DELAY
= 43,
1170 WLAN_EID_TCLAS_PROCESSING
= 44,
1171 WLAN_EID_QOS_CAPA
= 46,
1173 WLAN_EID_MESH_CONFIG
= 113,
1174 WLAN_EID_MESH_ID
= 114,
1175 WLAN_EID_LINK_METRIC_REPORT
= 115,
1176 WLAN_EID_CONGESTION_NOTIFICATION
= 116,
1177 /* Note that the Peer Link IE has been replaced with the similar
1178 * Peer Management IE. We will keep the former definition until mesh
1179 * code is changed to comply with latest 802.11s drafts.
1181 WLAN_EID_PEER_LINK
= 55, /* no longer in 802.11s drafts */
1182 WLAN_EID_PEER_MGMT
= 117,
1183 WLAN_EID_CHAN_SWITCH_PARAM
= 118,
1184 WLAN_EID_MESH_AWAKE_WINDOW
= 119,
1185 WLAN_EID_BEACON_TIMING
= 120,
1186 WLAN_EID_MCCAOP_SETUP_REQ
= 121,
1187 WLAN_EID_MCCAOP_SETUP_RESP
= 122,
1188 WLAN_EID_MCCAOP_ADVERT
= 123,
1189 WLAN_EID_MCCAOP_TEARDOWN
= 124,
1190 WLAN_EID_GANN
= 125,
1191 WLAN_EID_RANN
= 126,
1192 WLAN_EID_PREQ
= 130,
1193 WLAN_EID_PREP
= 131,
1194 WLAN_EID_PERR
= 132,
1196 WLAN_EID_PXUC
= 138,
1197 WLAN_EID_AUTH_MESH_PEER_EXCH
= 139,
1200 WLAN_EID_PWR_CONSTRAINT
= 32,
1201 WLAN_EID_PWR_CAPABILITY
= 33,
1202 WLAN_EID_TPC_REQUEST
= 34,
1203 WLAN_EID_TPC_REPORT
= 35,
1204 WLAN_EID_SUPPORTED_CHANNELS
= 36,
1205 WLAN_EID_CHANNEL_SWITCH
= 37,
1206 WLAN_EID_MEASURE_REQUEST
= 38,
1207 WLAN_EID_MEASURE_REPORT
= 39,
1208 WLAN_EID_QUIET
= 40,
1209 WLAN_EID_IBSS_DFS
= 41,
1211 WLAN_EID_ERP_INFO
= 42,
1212 WLAN_EID_EXT_SUPP_RATES
= 50,
1214 WLAN_EID_HT_CAPABILITY
= 45,
1215 WLAN_EID_HT_INFORMATION
= 61,
1220 WLAN_EID_GENERIC
= 221,
1221 WLAN_EID_VENDOR_SPECIFIC
= 221,
1222 WLAN_EID_QOS_PARAMETER
= 222,
1224 WLAN_EID_AP_CHAN_REPORT
= 51,
1225 WLAN_EID_NEIGHBOR_REPORT
= 52,
1227 WLAN_EID_BSS_AVG_ACCESS_DELAY
= 63,
1228 WLAN_EID_ANTENNA_INFO
= 64,
1230 WLAN_EID_MEASUREMENT_PILOT_TX_INFO
= 66,
1231 WLAN_EID_BSS_AVAILABLE_CAPACITY
= 67,
1232 WLAN_EID_BSS_AC_ACCESS_DELAY
= 68,
1233 WLAN_EID_RRM_ENABLED_CAPABILITIES
= 70,
1234 WLAN_EID_MULTIPLE_BSSID
= 71,
1235 WLAN_EID_BSS_COEX_2040
= 72,
1236 WLAN_EID_OVERLAP_BSS_SCAN_PARAM
= 74,
1237 WLAN_EID_EXT_CAPABILITY
= 127,
1239 WLAN_EID_MOBILITY_DOMAIN
= 54,
1240 WLAN_EID_FAST_BSS_TRANSITION
= 55,
1241 WLAN_EID_TIMEOUT_INTERVAL
= 56,
1242 WLAN_EID_RIC_DATA
= 57,
1243 WLAN_EID_RIC_DESCRIPTOR
= 75,
1245 WLAN_EID_DSE_REGISTERED_LOCATION
= 58,
1246 WLAN_EID_SUPPORTED_REGULATORY_CLASSES
= 59,
1247 WLAN_EID_EXT_CHANSWITCH_ANN
= 60,
1250 /* Action category code */
1251 enum ieee80211_category
{
1252 WLAN_CATEGORY_SPECTRUM_MGMT
= 0,
1253 WLAN_CATEGORY_QOS
= 1,
1254 WLAN_CATEGORY_DLS
= 2,
1255 WLAN_CATEGORY_BACK
= 3,
1256 WLAN_CATEGORY_PUBLIC
= 4,
1257 WLAN_CATEGORY_HT
= 7,
1258 WLAN_CATEGORY_SA_QUERY
= 8,
1259 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION
= 9,
1260 WLAN_CATEGORY_MESH_ACTION
= 13,
1261 WLAN_CATEGORY_MULTIHOP_ACTION
= 14,
1262 WLAN_CATEGORY_SELF_PROTECTED
= 15,
1263 WLAN_CATEGORY_WMM
= 17,
1264 /* TODO: remove MESH_PLINK and MESH_PATH_SEL after */
1265 /* mesh is updated to current 802.11s draft */
1266 WLAN_CATEGORY_MESH_PLINK
= 30,
1267 WLAN_CATEGORY_MESH_PATH_SEL
= 32,
1268 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED
= 126,
1269 WLAN_CATEGORY_VENDOR_SPECIFIC
= 127,
1272 /* SPECTRUM_MGMT action code */
1273 enum ieee80211_spectrum_mgmt_actioncode
{
1274 WLAN_ACTION_SPCT_MSR_REQ
= 0,
1275 WLAN_ACTION_SPCT_MSR_RPRT
= 1,
1276 WLAN_ACTION_SPCT_TPC_REQ
= 2,
1277 WLAN_ACTION_SPCT_TPC_RPRT
= 3,
1278 WLAN_ACTION_SPCT_CHL_SWITCH
= 4,
1281 /* HT action codes */
1282 enum ieee80211_ht_actioncode
{
1283 WLAN_HT_ACTION_NOTIFY_CHANWIDTH
= 0,
1284 WLAN_HT_ACTION_SMPS
= 1,
1285 WLAN_HT_ACTION_PSMP
= 2,
1286 WLAN_HT_ACTION_PCO_PHASE
= 3,
1287 WLAN_HT_ACTION_CSI
= 4,
1288 WLAN_HT_ACTION_NONCOMPRESSED_BF
= 5,
1289 WLAN_HT_ACTION_COMPRESSED_BF
= 6,
1290 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK
= 7,
1293 /* Security key length */
1294 enum ieee80211_key_len
{
1295 WLAN_KEY_LEN_WEP40
= 5,
1296 WLAN_KEY_LEN_WEP104
= 13,
1297 WLAN_KEY_LEN_CCMP
= 16,
1298 WLAN_KEY_LEN_TKIP
= 32,
1299 WLAN_KEY_LEN_AES_CMAC
= 16,
1303 * enum - mesh path selection protocol identifier
1305 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1306 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1307 * be specified in a vendor specific information element
1310 IEEE80211_PATH_PROTOCOL_HWMP
= 0,
1311 IEEE80211_PATH_PROTOCOL_VENDOR
= 255,
1315 * enum - mesh path selection metric identifier
1317 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1318 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1319 * specified in a vendor specific information element
1322 IEEE80211_PATH_METRIC_AIRTIME
= 0,
1323 IEEE80211_PATH_METRIC_VENDOR
= 255,
1328 * IEEE 802.11-2007 7.3.2.9 Country information element
1330 * Minimum length is 8 octets, ie len must be evenly
1334 /* Although the spec says 8 I'm seeing 6 in practice */
1335 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1337 /* The Country String field of the element shall be 3 octets in length */
1338 #define IEEE80211_COUNTRY_STRING_LEN 3
1341 * For regulatory extension stuff see IEEE 802.11-2007
1342 * Annex I (page 1141) and Annex J (page 1147). Also
1345 * When dot11RegulatoryClassesRequired is true and the
1346 * first_channel/reg_extension_id is >= 201 then the IE
1347 * compromises of the 'ext' struct represented below:
1349 * - Regulatory extension ID - when generating IE this just needs
1350 * to be monotonically increasing for each triplet passed in
1352 * - Regulatory class - index into set of rules
1353 * - Coverage class - index into air propagation time (Table 7-27),
1354 * in microseconds, you can compute the air propagation time from
1355 * the index by multiplying by 3, so index 10 yields a propagation
1356 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1357 * yet. A value of 0 inicates air propagation of <= 1 us.
1359 * See also Table I.2 for Emission limit sets and table
1360 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1361 * a reg_class to an emission limit set and behavior limit set.
1363 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1366 * Channels numbers in the IE must be monotonically increasing
1367 * if dot11RegulatoryClassesRequired is not true.
1369 * If dot11RegulatoryClassesRequired is true consecutive
1370 * subband triplets following a regulatory triplet shall
1371 * have monotonically increasing first_channel number fields.
1373 * Channel numbers shall not overlap.
1375 * Note that max_power is signed.
1377 struct ieee80211_country_ie_triplet
{
1383 } __attribute__ ((packed
)) chans
;
1385 u8 reg_extension_id
;
1388 } __attribute__ ((packed
)) ext
;
1390 } __attribute__ ((packed
));
1392 enum ieee80211_timeout_interval_type
{
1393 WLAN_TIMEOUT_REASSOC_DEADLINE
= 1 /* 802.11r */,
1394 WLAN_TIMEOUT_KEY_LIFETIME
= 2 /* 802.11r */,
1395 WLAN_TIMEOUT_ASSOC_COMEBACK
= 3 /* 802.11w */,
1398 /* BACK action code */
1399 enum ieee80211_back_actioncode
{
1400 WLAN_ACTION_ADDBA_REQ
= 0,
1401 WLAN_ACTION_ADDBA_RESP
= 1,
1402 WLAN_ACTION_DELBA
= 2,
1405 /* BACK (block-ack) parties */
1406 enum ieee80211_back_parties
{
1407 WLAN_BACK_RECIPIENT
= 0,
1408 WLAN_BACK_INITIATOR
= 1,
1411 /* SA Query action */
1412 enum ieee80211_sa_query_action
{
1413 WLAN_ACTION_SA_QUERY_REQUEST
= 0,
1414 WLAN_ACTION_SA_QUERY_RESPONSE
= 1,
1418 /* A-MSDU 802.11n */
1419 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1421 /* cipher suite selectors */
1422 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1423 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1424 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1425 /* reserved: 0x000FAC03 */
1426 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1427 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1428 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1430 /* AKM suite selectors */
1431 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1432 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1433 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1434 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1436 #define WLAN_MAX_KEY_LEN 32
1438 #define WLAN_PMKID_LEN 16
1441 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1444 * The qos ctrl bytes come after the frame_control, duration, seq_num
1445 * and 3 or 4 addresses of length ETH_ALEN.
1446 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1447 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1449 static inline u8
*ieee80211_get_qos_ctl(struct ieee80211_hdr
*hdr
)
1451 if (ieee80211_has_a4(hdr
->frame_control
))
1452 return (u8
*)hdr
+ 30;
1454 return (u8
*)hdr
+ 24;
1458 * ieee80211_get_SA - get pointer to SA
1461 * Given an 802.11 frame, this function returns the offset
1462 * to the source address (SA). It does not verify that the
1463 * header is long enough to contain the address, and the
1464 * header must be long enough to contain the frame control
1467 static inline u8
*ieee80211_get_SA(struct ieee80211_hdr
*hdr
)
1469 if (ieee80211_has_a4(hdr
->frame_control
))
1471 if (ieee80211_has_fromds(hdr
->frame_control
))
1477 * ieee80211_get_DA - get pointer to DA
1480 * Given an 802.11 frame, this function returns the offset
1481 * to the destination address (DA). It does not verify that
1482 * the header is long enough to contain the address, and the
1483 * header must be long enough to contain the frame control
1486 static inline u8
*ieee80211_get_DA(struct ieee80211_hdr
*hdr
)
1488 if (ieee80211_has_tods(hdr
->frame_control
))
1495 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1496 * @hdr: the frame (buffer must include at least the first octet of payload)
1498 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr
*hdr
)
1500 if (ieee80211_is_disassoc(hdr
->frame_control
) ||
1501 ieee80211_is_deauth(hdr
->frame_control
))
1504 if (ieee80211_is_action(hdr
->frame_control
)) {
1508 * Action frames, excluding Public Action frames, are Robust
1509 * Management Frames. However, if we are looking at a Protected
1510 * frame, skip the check since the data may be encrypted and
1511 * the frame has already been found to be a Robust Management
1512 * Frame (by the other end).
1514 if (ieee80211_has_protected(hdr
->frame_control
))
1516 category
= ((u8
*) hdr
) + 24;
1517 return *category
!= WLAN_CATEGORY_PUBLIC
&&
1518 *category
!= WLAN_CATEGORY_HT
&&
1519 *category
!= WLAN_CATEGORY_VENDOR_SPECIFIC
;
1526 * ieee80211_fhss_chan_to_freq - get channel frequency
1527 * @channel: the FHSS channel
1529 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1530 * Ref IEEE 802.11-2007 section 14.6
1532 static inline int ieee80211_fhss_chan_to_freq(int channel
)
1534 if ((channel
> 1) && (channel
< 96))
1535 return channel
+ 2400;
1541 * ieee80211_freq_to_fhss_chan - get channel
1542 * @freq: the channels frequency
1544 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1545 * Ref IEEE 802.11-2007 section 14.6
1547 static inline int ieee80211_freq_to_fhss_chan(int freq
)
1549 if ((freq
> 2401) && (freq
< 2496))
1556 * ieee80211_dsss_chan_to_freq - get channel center frequency
1557 * @channel: the DSSS channel
1559 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1560 * Ref IEEE 802.11-2007 section 15.6
1562 static inline int ieee80211_dsss_chan_to_freq(int channel
)
1564 if ((channel
> 0) && (channel
< 14))
1565 return 2407 + (channel
* 5);
1566 else if (channel
== 14)
1573 * ieee80211_freq_to_dsss_chan - get channel
1574 * @freq: the frequency
1576 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1577 * Ref IEEE 802.11-2007 section 15.6
1579 * This routine selects the channel with the closest center frequency.
1581 static inline int ieee80211_freq_to_dsss_chan(int freq
)
1583 if ((freq
>= 2410) && (freq
< 2475))
1584 return (freq
- 2405) / 5;
1585 else if ((freq
>= 2482) && (freq
< 2487))
1591 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1592 * Ref IEEE 802.11-2007 section 18.4.6.2
1594 * The channels and frequencies are the same as those defined for DSSS
1596 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1597 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1599 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1600 * Ref IEEE 802.11-2007 section 19.4.2
1602 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1603 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1606 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1607 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1608 * @channel: the OFDM channel
1610 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1611 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1613 static inline int ieee80211_ofdm_chan_to_freq(int s_freq
, int channel
)
1615 if ((channel
> 0) && (channel
<= 200) &&
1617 return s_freq
+ (channel
* 5);
1623 * ieee80211_freq_to_ofdm_channel - get channel
1624 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1625 * @freq: the frequency
1627 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1628 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1630 * This routine selects the channel with the closest center frequency.
1632 static inline int ieee80211_freq_to_ofdm_chan(int s_freq
, int freq
)
1634 if ((freq
> (s_freq
+ 2)) && (freq
<= (s_freq
+ 1202)) &&
1636 return (freq
+ 2 - s_freq
) / 5;
1642 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1645 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu
)
1651 * ieee80211_check_tim - check if AID bit is set in TIM
1653 * @tim_len: length of the TIM IE
1654 * @aid: the AID to look for
1656 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie
*tim
,
1657 u8 tim_len
, u16 aid
)
1660 u8 index
, indexn1
, indexn2
;
1662 if (unlikely(!tim
|| tim_len
< sizeof(*tim
)))
1667 mask
= 1 << (aid
& 7);
1669 indexn1
= tim
->bitmap_ctrl
& 0xfe;
1670 indexn2
= tim_len
+ indexn1
- 4;
1672 if (index
< indexn1
|| index
> indexn2
)
1677 return !!(tim
->virtual_map
[index
] & mask
);
1680 #endif /* LINUX_IEEE80211_H */