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.
18 #include <linux/types.h>
19 #include <asm/byteorder.h>
23 #define IEEE80211_FCTL_VERS 0x0003
24 #define IEEE80211_FCTL_FTYPE 0x000c
25 #define IEEE80211_FCTL_STYPE 0x00f0
26 #define IEEE80211_FCTL_TODS 0x0100
27 #define IEEE80211_FCTL_FROMDS 0x0200
28 #define IEEE80211_FCTL_MOREFRAGS 0x0400
29 #define IEEE80211_FCTL_RETRY 0x0800
30 #define IEEE80211_FCTL_PM 0x1000
31 #define IEEE80211_FCTL_MOREDATA 0x2000
32 #define IEEE80211_FCTL_PROTECTED 0x4000
33 #define IEEE80211_FCTL_ORDER 0x8000
35 #define IEEE80211_SCTL_FRAG 0x000F
36 #define IEEE80211_SCTL_SEQ 0xFFF0
38 #define IEEE80211_FTYPE_MGMT 0x0000
39 #define IEEE80211_FTYPE_CTL 0x0004
40 #define IEEE80211_FTYPE_DATA 0x0008
43 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
44 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
45 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
46 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
47 #define IEEE80211_STYPE_PROBE_REQ 0x0040
48 #define IEEE80211_STYPE_PROBE_RESP 0x0050
49 #define IEEE80211_STYPE_BEACON 0x0080
50 #define IEEE80211_STYPE_ATIM 0x0090
51 #define IEEE80211_STYPE_DISASSOC 0x00A0
52 #define IEEE80211_STYPE_AUTH 0x00B0
53 #define IEEE80211_STYPE_DEAUTH 0x00C0
54 #define IEEE80211_STYPE_ACTION 0x00D0
57 #define IEEE80211_STYPE_BACK_REQ 0x0080
58 #define IEEE80211_STYPE_BACK 0x0090
59 #define IEEE80211_STYPE_PSPOLL 0x00A0
60 #define IEEE80211_STYPE_RTS 0x00B0
61 #define IEEE80211_STYPE_CTS 0x00C0
62 #define IEEE80211_STYPE_ACK 0x00D0
63 #define IEEE80211_STYPE_CFEND 0x00E0
64 #define IEEE80211_STYPE_CFENDACK 0x00F0
67 #define IEEE80211_STYPE_DATA 0x0000
68 #define IEEE80211_STYPE_DATA_CFACK 0x0010
69 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
70 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
71 #define IEEE80211_STYPE_NULLFUNC 0x0040
72 #define IEEE80211_STYPE_CFACK 0x0050
73 #define IEEE80211_STYPE_CFPOLL 0x0060
74 #define IEEE80211_STYPE_CFACKPOLL 0x0070
75 #define IEEE80211_STYPE_QOS_DATA 0x0080
76 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
77 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
78 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
79 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
80 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
81 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
82 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
85 /* miscellaneous IEEE 802.11 constants */
86 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
87 #define IEEE80211_MAX_RTS_THRESHOLD 2353
88 #define IEEE80211_MAX_AID 2007
89 #define IEEE80211_MAX_TIM_LEN 251
90 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
93 802.11e clarifies the figure in section 7.1.2. The frame body is
94 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
95 #define IEEE80211_MAX_DATA_LEN 2304
96 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
97 #define IEEE80211_MAX_FRAME_LEN 2352
99 #define IEEE80211_MAX_SSID_LEN 32
100 #define IEEE80211_MAX_MESH_ID_LEN 32
101 #define IEEE80211_QOS_CTL_LEN 2
102 #define IEEE80211_QOS_CTL_TID_MASK 0x000F
103 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
105 struct ieee80211_hdr
{
106 __le16 frame_control
;
113 } __attribute__ ((packed
));
116 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
117 * @fc: frame control bytes in little-endian byteorder
119 static inline int ieee80211_has_tods(__le16 fc
)
121 return (fc
& cpu_to_le16(IEEE80211_FCTL_TODS
)) != 0;
125 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
126 * @fc: frame control bytes in little-endian byteorder
128 static inline int ieee80211_has_fromds(__le16 fc
)
130 return (fc
& cpu_to_le16(IEEE80211_FCTL_FROMDS
)) != 0;
134 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
135 * @fc: frame control bytes in little-endian byteorder
137 static inline int ieee80211_has_a4(__le16 fc
)
139 __le16 tmp
= cpu_to_le16(IEEE80211_FCTL_TODS
| IEEE80211_FCTL_FROMDS
);
140 return (fc
& tmp
) == tmp
;
144 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
145 * @fc: frame control bytes in little-endian byteorder
147 static inline int ieee80211_has_morefrags(__le16 fc
)
149 return (fc
& cpu_to_le16(IEEE80211_FCTL_MOREFRAGS
)) != 0;
153 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
154 * @fc: frame control bytes in little-endian byteorder
156 static inline int ieee80211_has_retry(__le16 fc
)
158 return (fc
& cpu_to_le16(IEEE80211_FCTL_RETRY
)) != 0;
162 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
163 * @fc: frame control bytes in little-endian byteorder
165 static inline int ieee80211_has_pm(__le16 fc
)
167 return (fc
& cpu_to_le16(IEEE80211_FCTL_PM
)) != 0;
171 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
172 * @fc: frame control bytes in little-endian byteorder
174 static inline int ieee80211_has_moredata(__le16 fc
)
176 return (fc
& cpu_to_le16(IEEE80211_FCTL_MOREDATA
)) != 0;
180 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
181 * @fc: frame control bytes in little-endian byteorder
183 static inline int ieee80211_has_protected(__le16 fc
)
185 return (fc
& cpu_to_le16(IEEE80211_FCTL_PROTECTED
)) != 0;
189 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
190 * @fc: frame control bytes in little-endian byteorder
192 static inline int ieee80211_has_order(__le16 fc
)
194 return (fc
& cpu_to_le16(IEEE80211_FCTL_ORDER
)) != 0;
198 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
199 * @fc: frame control bytes in little-endian byteorder
201 static inline int ieee80211_is_mgmt(__le16 fc
)
203 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
204 cpu_to_le16(IEEE80211_FTYPE_MGMT
);
208 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
209 * @fc: frame control bytes in little-endian byteorder
211 static inline int ieee80211_is_ctl(__le16 fc
)
213 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
214 cpu_to_le16(IEEE80211_FTYPE_CTL
);
218 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
219 * @fc: frame control bytes in little-endian byteorder
221 static inline int ieee80211_is_data(__le16 fc
)
223 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
)) ==
224 cpu_to_le16(IEEE80211_FTYPE_DATA
);
228 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
229 * @fc: frame control bytes in little-endian byteorder
231 static inline int ieee80211_is_data_qos(__le16 fc
)
234 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
235 * to check the one bit
237 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_STYPE_QOS_DATA
)) ==
238 cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_QOS_DATA
);
242 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
243 * @fc: frame control bytes in little-endian byteorder
245 static inline int ieee80211_is_data_present(__le16 fc
)
248 * mask with 0x40 and test that that bit is clear to only return true
249 * for the data-containing substypes.
251 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| 0x40)) ==
252 cpu_to_le16(IEEE80211_FTYPE_DATA
);
256 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
257 * @fc: frame control bytes in little-endian byteorder
259 static inline int ieee80211_is_assoc_req(__le16 fc
)
261 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
262 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ASSOC_REQ
);
266 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
267 * @fc: frame control bytes in little-endian byteorder
269 static inline int ieee80211_is_assoc_resp(__le16 fc
)
271 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
272 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ASSOC_RESP
);
276 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
277 * @fc: frame control bytes in little-endian byteorder
279 static inline int ieee80211_is_reassoc_req(__le16 fc
)
281 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
282 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_REASSOC_REQ
);
286 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
287 * @fc: frame control bytes in little-endian byteorder
289 static inline int ieee80211_is_reassoc_resp(__le16 fc
)
291 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
292 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_REASSOC_RESP
);
296 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
297 * @fc: frame control bytes in little-endian byteorder
299 static inline int ieee80211_is_probe_req(__le16 fc
)
301 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
302 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_REQ
);
306 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
307 * @fc: frame control bytes in little-endian byteorder
309 static inline int ieee80211_is_probe_resp(__le16 fc
)
311 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
312 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_PROBE_RESP
);
316 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
317 * @fc: frame control bytes in little-endian byteorder
319 static inline int ieee80211_is_beacon(__le16 fc
)
321 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
322 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_BEACON
);
326 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
327 * @fc: frame control bytes in little-endian byteorder
329 static inline int ieee80211_is_atim(__le16 fc
)
331 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
332 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ATIM
);
336 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
337 * @fc: frame control bytes in little-endian byteorder
339 static inline int ieee80211_is_disassoc(__le16 fc
)
341 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
342 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_DISASSOC
);
346 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
347 * @fc: frame control bytes in little-endian byteorder
349 static inline int ieee80211_is_auth(__le16 fc
)
351 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
352 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_AUTH
);
356 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
357 * @fc: frame control bytes in little-endian byteorder
359 static inline int ieee80211_is_deauth(__le16 fc
)
361 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
362 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_DEAUTH
);
366 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
367 * @fc: frame control bytes in little-endian byteorder
369 static inline int ieee80211_is_action(__le16 fc
)
371 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
372 cpu_to_le16(IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
);
376 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
377 * @fc: frame control bytes in little-endian byteorder
379 static inline int ieee80211_is_back_req(__le16 fc
)
381 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
382 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_BACK_REQ
);
386 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
387 * @fc: frame control bytes in little-endian byteorder
389 static inline int ieee80211_is_back(__le16 fc
)
391 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
392 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_BACK
);
396 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
397 * @fc: frame control bytes in little-endian byteorder
399 static inline int ieee80211_is_pspoll(__le16 fc
)
401 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
402 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_PSPOLL
);
406 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
407 * @fc: frame control bytes in little-endian byteorder
409 static inline int ieee80211_is_rts(__le16 fc
)
411 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
412 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_RTS
);
416 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
417 * @fc: frame control bytes in little-endian byteorder
419 static inline int ieee80211_is_cts(__le16 fc
)
421 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
422 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CTS
);
426 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
427 * @fc: frame control bytes in little-endian byteorder
429 static inline int ieee80211_is_ack(__le16 fc
)
431 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
432 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_ACK
);
436 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
437 * @fc: frame control bytes in little-endian byteorder
439 static inline int ieee80211_is_cfend(__le16 fc
)
441 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
442 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CFEND
);
446 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
447 * @fc: frame control bytes in little-endian byteorder
449 static inline int ieee80211_is_cfendack(__le16 fc
)
451 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
452 cpu_to_le16(IEEE80211_FTYPE_CTL
| IEEE80211_STYPE_CFENDACK
);
456 * ieee80211_is_nullfunc - check if FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC
457 * @fc: frame control bytes in little-endian byteorder
459 static inline int ieee80211_is_nullfunc(__le16 fc
)
461 return (fc
& cpu_to_le16(IEEE80211_FCTL_FTYPE
| IEEE80211_FCTL_STYPE
)) ==
462 cpu_to_le16(IEEE80211_FTYPE_DATA
| IEEE80211_STYPE_NULLFUNC
);
465 struct ieee80211s_hdr
{
472 } __attribute__ ((packed
));
475 * struct ieee80211_quiet_ie
477 * This structure refers to "Quiet information element"
479 struct ieee80211_quiet_ie
{
484 } __attribute__ ((packed
));
487 * struct ieee80211_msrment_ie
489 * This structure refers to "Measurement Request/Report information element"
491 struct ieee80211_msrment_ie
{
496 } __attribute__ ((packed
));
499 * struct ieee80211_channel_sw_ie
501 * This structure refers to "Channel Switch Announcement information element"
503 struct ieee80211_channel_sw_ie
{
507 } __attribute__ ((packed
));
510 * struct ieee80211_tim
512 * This structure refers to "Traffic Indication Map information element"
514 struct ieee80211_tim_ie
{
518 /* variable size: 1 - 251 bytes */
520 } __attribute__ ((packed
));
522 struct ieee80211_mgmt
{
523 __le16 frame_control
;
532 __le16 auth_transaction
;
534 /* possibly followed by Challenge text */
536 } __attribute__ ((packed
)) auth
;
539 } __attribute__ ((packed
)) deauth
;
542 __le16 listen_interval
;
543 /* followed by SSID and Supported rates */
545 } __attribute__ ((packed
)) assoc_req
;
550 /* followed by Supported rates */
552 } __attribute__ ((packed
)) assoc_resp
, reassoc_resp
;
555 __le16 listen_interval
;
557 /* followed by SSID and Supported rates */
559 } __attribute__ ((packed
)) reassoc_req
;
562 } __attribute__ ((packed
)) disassoc
;
567 /* followed by some of SSID, Supported rates,
568 * FH Params, DS Params, CF Params, IBSS Params, TIM */
570 } __attribute__ ((packed
)) beacon
;
572 /* only variable items: SSID, Supported rates */
574 } __attribute__ ((packed
)) probe_req
;
579 /* followed by some of SSID, Supported rates,
580 * FH Params, DS Params, CF Params, IBSS Params */
582 } __attribute__ ((packed
)) probe_resp
;
591 } __attribute__ ((packed
)) wme_action
;
596 struct ieee80211_channel_sw_ie sw_elem
;
597 } __attribute__((packed
)) chan_switch
;
603 struct ieee80211_msrment_ie msr_elem
;
604 } __attribute__((packed
)) measurement
;
610 __le16 start_seq_num
;
611 } __attribute__((packed
)) addba_req
;
618 } __attribute__((packed
)) addba_resp
;
623 } __attribute__((packed
)) delba
;
626 /* capab_info for open and confirm,
630 /* Followed in plink_confirm by status
631 * code, AID and supported rates,
632 * and directly by supported rates in
633 * plink_open and plink_close
636 } __attribute__((packed
)) plink_action
;
640 } __attribute__((packed
)) mesh_action
;
642 } __attribute__ ((packed
)) action
;
644 } __attribute__ ((packed
));
648 struct ieee80211_rts
{
649 __le16 frame_control
;
653 } __attribute__ ((packed
));
655 struct ieee80211_cts
{
656 __le16 frame_control
;
659 } __attribute__ ((packed
));
662 * struct ieee80211_bar - HT Block Ack Request
664 * This structure refers to "HT BlockAckReq" as
665 * described in 802.11n draft section 7.2.1.7.1
667 struct ieee80211_bar
{
668 __le16 frame_control
;
673 __le16 start_seq_num
;
674 } __attribute__((packed
));
676 /* 802.11 BAR control masks */
677 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
678 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
681 * struct ieee80211_ht_cap - HT capabilities
683 * This structure refers to "HT capabilities element" as
684 * described in 802.11n draft section 7.3.2.52
686 struct ieee80211_ht_cap
{
688 u8 ampdu_params_info
;
690 __le16 extended_ht_cap_info
;
691 __le32 tx_BF_cap_info
;
692 u8 antenna_selection_info
;
693 } __attribute__ ((packed
));
696 * struct ieee80211_ht_cap - HT additional information
698 * This structure refers to "HT information element" as
699 * described in 802.11n draft section 7.3.2.53
701 struct ieee80211_ht_addt_info
{
704 __le16 operation_mode
;
707 } __attribute__ ((packed
));
709 /* 802.11n HT capabilities masks */
710 #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
711 #define IEEE80211_HT_CAP_MIMO_PS 0x000C
712 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
713 #define IEEE80211_HT_CAP_SGI_20 0x0020
714 #define IEEE80211_HT_CAP_SGI_40 0x0040
715 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
716 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
717 /* 802.11n HT capability AMPDU settings */
718 #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
719 #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
720 /* 802.11n HT capability MSC set */
721 #define IEEE80211_SUPP_MCS_SET_UEQM 4
722 #define IEEE80211_HT_CAP_MAX_STREAMS 4
723 #define IEEE80211_SUPP_MCS_SET_LEN 10
724 /* maximum streams the spec allows */
725 #define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01
726 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02
727 #define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C
728 #define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
729 /* 802.11n HT IE masks */
730 #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
731 #define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
732 #define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
733 #define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
734 #define IEEE80211_HT_IE_CHA_WIDTH 0x04
735 #define IEEE80211_HT_IE_HT_PROTECTION 0x0003
736 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
737 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
739 /* MIMO Power Save Modes */
740 #define WLAN_HT_CAP_MIMO_PS_STATIC 0
741 #define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1
742 #define WLAN_HT_CAP_MIMO_PS_INVALID 2
743 #define WLAN_HT_CAP_MIMO_PS_DISABLED 3
745 /* Authentication algorithms */
746 #define WLAN_AUTH_OPEN 0
747 #define WLAN_AUTH_SHARED_KEY 1
748 #define WLAN_AUTH_FAST_BSS_TRANSITION 2
749 #define WLAN_AUTH_LEAP 128
751 #define WLAN_AUTH_CHALLENGE_LEN 128
753 #define WLAN_CAPABILITY_ESS (1<<0)
754 #define WLAN_CAPABILITY_IBSS (1<<1)
755 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
756 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
757 #define WLAN_CAPABILITY_PRIVACY (1<<4)
758 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
759 #define WLAN_CAPABILITY_PBCC (1<<6)
760 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
763 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
764 #define WLAN_CAPABILITY_QOS (1<<9)
765 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
766 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
768 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
769 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
770 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
772 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
773 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
774 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
777 /* 802.11g ERP information element */
778 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
779 #define WLAN_ERP_USE_PROTECTION (1<<1)
780 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
782 /* WLAN_ERP_BARKER_PREAMBLE values */
784 WLAN_ERP_PREAMBLE_SHORT
= 0,
785 WLAN_ERP_PREAMBLE_LONG
= 1,
789 enum ieee80211_statuscode
{
790 WLAN_STATUS_SUCCESS
= 0,
791 WLAN_STATUS_UNSPECIFIED_FAILURE
= 1,
792 WLAN_STATUS_CAPS_UNSUPPORTED
= 10,
793 WLAN_STATUS_REASSOC_NO_ASSOC
= 11,
794 WLAN_STATUS_ASSOC_DENIED_UNSPEC
= 12,
795 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG
= 13,
796 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION
= 14,
797 WLAN_STATUS_CHALLENGE_FAIL
= 15,
798 WLAN_STATUS_AUTH_TIMEOUT
= 16,
799 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA
= 17,
800 WLAN_STATUS_ASSOC_DENIED_RATES
= 18,
802 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE
= 19,
803 WLAN_STATUS_ASSOC_DENIED_NOPBCC
= 20,
804 WLAN_STATUS_ASSOC_DENIED_NOAGILITY
= 21,
806 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM
= 22,
807 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER
= 23,
808 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN
= 24,
810 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME
= 25,
811 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM
= 26,
813 WLAN_STATUS_INVALID_IE
= 40,
814 WLAN_STATUS_INVALID_GROUP_CIPHER
= 41,
815 WLAN_STATUS_INVALID_PAIRWISE_CIPHER
= 42,
816 WLAN_STATUS_INVALID_AKMP
= 43,
817 WLAN_STATUS_UNSUPP_RSN_VERSION
= 44,
818 WLAN_STATUS_INVALID_RSN_IE_CAP
= 45,
819 WLAN_STATUS_CIPHER_SUITE_REJECTED
= 46,
821 WLAN_STATUS_UNSPECIFIED_QOS
= 32,
822 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH
= 33,
823 WLAN_STATUS_ASSOC_DENIED_LOWACK
= 34,
824 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS
= 35,
825 WLAN_STATUS_REQUEST_DECLINED
= 37,
826 WLAN_STATUS_INVALID_QOS_PARAM
= 38,
827 WLAN_STATUS_CHANGE_TSPEC
= 39,
828 WLAN_STATUS_WAIT_TS_DELAY
= 47,
829 WLAN_STATUS_NO_DIRECT_LINK
= 48,
830 WLAN_STATUS_STA_NOT_PRESENT
= 49,
831 WLAN_STATUS_STA_NOT_QSTA
= 50,
836 enum ieee80211_reasoncode
{
837 WLAN_REASON_UNSPECIFIED
= 1,
838 WLAN_REASON_PREV_AUTH_NOT_VALID
= 2,
839 WLAN_REASON_DEAUTH_LEAVING
= 3,
840 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY
= 4,
841 WLAN_REASON_DISASSOC_AP_BUSY
= 5,
842 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA
= 6,
843 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA
= 7,
844 WLAN_REASON_DISASSOC_STA_HAS_LEFT
= 8,
845 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH
= 9,
847 WLAN_REASON_DISASSOC_BAD_POWER
= 10,
848 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN
= 11,
850 WLAN_REASON_INVALID_IE
= 13,
851 WLAN_REASON_MIC_FAILURE
= 14,
852 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT
= 15,
853 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT
= 16,
854 WLAN_REASON_IE_DIFFERENT
= 17,
855 WLAN_REASON_INVALID_GROUP_CIPHER
= 18,
856 WLAN_REASON_INVALID_PAIRWISE_CIPHER
= 19,
857 WLAN_REASON_INVALID_AKMP
= 20,
858 WLAN_REASON_UNSUPP_RSN_VERSION
= 21,
859 WLAN_REASON_INVALID_RSN_IE_CAP
= 22,
860 WLAN_REASON_IEEE8021X_FAILED
= 23,
861 WLAN_REASON_CIPHER_SUITE_REJECTED
= 24,
863 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS
= 32,
864 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH
= 33,
865 WLAN_REASON_DISASSOC_LOW_ACK
= 34,
866 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP
= 35,
867 WLAN_REASON_QSTA_LEAVE_QBSS
= 36,
868 WLAN_REASON_QSTA_NOT_USE
= 37,
869 WLAN_REASON_QSTA_REQUIRE_SETUP
= 38,
870 WLAN_REASON_QSTA_TIMEOUT
= 39,
871 WLAN_REASON_QSTA_CIPHER_NOT_SUPP
= 45,
875 /* Information Element IDs */
878 WLAN_EID_SUPP_RATES
= 1,
879 WLAN_EID_FH_PARAMS
= 2,
880 WLAN_EID_DS_PARAMS
= 3,
881 WLAN_EID_CF_PARAMS
= 4,
883 WLAN_EID_IBSS_PARAMS
= 6,
884 WLAN_EID_CHALLENGE
= 16,
886 WLAN_EID_COUNTRY
= 7,
887 WLAN_EID_HP_PARAMS
= 8,
888 WLAN_EID_HP_TABLE
= 9,
889 WLAN_EID_REQUEST
= 10,
891 WLAN_EID_QBSS_LOAD
= 11,
892 WLAN_EID_EDCA_PARAM_SET
= 12,
895 WLAN_EID_SCHEDULE
= 15,
896 WLAN_EID_TS_DELAY
= 43,
897 WLAN_EID_TCLAS_PROCESSING
= 44,
898 WLAN_EID_QOS_CAPA
= 46,
901 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
902 * The numbers have been incremented from those suggested in
903 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
906 WLAN_EID_MESH_CONFIG
= 51,
907 WLAN_EID_MESH_ID
= 52,
908 WLAN_EID_PEER_LINK
= 55,
913 WLAN_EID_PWR_CONSTRAINT
= 32,
914 WLAN_EID_PWR_CAPABILITY
= 33,
915 WLAN_EID_TPC_REQUEST
= 34,
916 WLAN_EID_TPC_REPORT
= 35,
917 WLAN_EID_SUPPORTED_CHANNELS
= 36,
918 WLAN_EID_CHANNEL_SWITCH
= 37,
919 WLAN_EID_MEASURE_REQUEST
= 38,
920 WLAN_EID_MEASURE_REPORT
= 39,
922 WLAN_EID_IBSS_DFS
= 41,
924 WLAN_EID_ERP_INFO
= 42,
925 WLAN_EID_EXT_SUPP_RATES
= 50,
927 WLAN_EID_HT_CAPABILITY
= 45,
928 WLAN_EID_HT_EXTRA_INFO
= 61,
932 WLAN_EID_GENERIC
= 221,
933 WLAN_EID_VENDOR_SPECIFIC
= 221,
934 WLAN_EID_QOS_PARAMETER
= 222
937 /* Action category code */
938 enum ieee80211_category
{
939 WLAN_CATEGORY_SPECTRUM_MGMT
= 0,
940 WLAN_CATEGORY_QOS
= 1,
941 WLAN_CATEGORY_DLS
= 2,
942 WLAN_CATEGORY_BACK
= 3,
943 WLAN_CATEGORY_WMM
= 17,
946 /* SPECTRUM_MGMT action code */
947 enum ieee80211_spectrum_mgmt_actioncode
{
948 WLAN_ACTION_SPCT_MSR_REQ
= 0,
949 WLAN_ACTION_SPCT_MSR_RPRT
= 1,
950 WLAN_ACTION_SPCT_TPC_REQ
= 2,
951 WLAN_ACTION_SPCT_TPC_RPRT
= 3,
952 WLAN_ACTION_SPCT_CHL_SWITCH
= 4,
955 /* BACK action code */
956 enum ieee80211_back_actioncode
{
957 WLAN_ACTION_ADDBA_REQ
= 0,
958 WLAN_ACTION_ADDBA_RESP
= 1,
959 WLAN_ACTION_DELBA
= 2,
962 /* BACK (block-ack) parties */
963 enum ieee80211_back_parties
{
964 WLAN_BACK_RECIPIENT
= 0,
965 WLAN_BACK_INITIATOR
= 1,
970 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
972 /* cipher suite selectors */
973 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
974 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
975 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
976 /* reserved: 0x000FAC03 */
977 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
978 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
980 #define WLAN_MAX_KEY_LEN 32
983 * ieee80211_get_qos_ctl - get pointer to qos control bytes
986 * The qos ctrl bytes come after the frame_control, duration, seq_num
987 * and 3 or 4 addresses of length ETH_ALEN.
988 * 3 addr: 2 + 2 + 2 + 3*6 = 24
989 * 4 addr: 2 + 2 + 2 + 4*6 = 30
991 static inline u8
*ieee80211_get_qos_ctl(struct ieee80211_hdr
*hdr
)
993 if (ieee80211_has_a4(hdr
->frame_control
))
994 return (u8
*)hdr
+ 30;
996 return (u8
*)hdr
+ 24;
1000 * ieee80211_get_SA - get pointer to SA
1003 * Given an 802.11 frame, this function returns the offset
1004 * to the source address (SA). It does not verify that the
1005 * header is long enough to contain the address, and the
1006 * header must be long enough to contain the frame control
1009 static inline u8
*ieee80211_get_SA(struct ieee80211_hdr
*hdr
)
1011 if (ieee80211_has_a4(hdr
->frame_control
))
1013 if (ieee80211_has_fromds(hdr
->frame_control
))
1019 * ieee80211_get_DA - get pointer to DA
1022 * Given an 802.11 frame, this function returns the offset
1023 * to the destination address (DA). It does not verify that
1024 * the header is long enough to contain the address, and the
1025 * header must be long enough to contain the frame control
1028 static inline u8
*ieee80211_get_DA(struct ieee80211_hdr
*hdr
)
1030 if (ieee80211_has_tods(hdr
->frame_control
))
1036 #endif /* IEEE80211_H */