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 struct ieee80211_hdr {
124 __le16 frame_control;
131 } __attribute__ ((packed));
134 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
135 * @fc: frame control bytes in little-endian byteorder
137 static inline int ieee80211_has_tods(__le16 fc)
139 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
143 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
144 * @fc: frame control bytes in little-endian byteorder
146 static inline int ieee80211_has_fromds(__le16 fc)
148 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
152 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
153 * @fc: frame control bytes in little-endian byteorder
155 static inline int ieee80211_has_a4(__le16 fc)
157 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
158 return (fc & tmp) == tmp;
162 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
163 * @fc: frame control bytes in little-endian byteorder
165 static inline int ieee80211_has_morefrags(__le16 fc)
167 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
171 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
172 * @fc: frame control bytes in little-endian byteorder
174 static inline int ieee80211_has_retry(__le16 fc)
176 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
180 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
181 * @fc: frame control bytes in little-endian byteorder
183 static inline int ieee80211_has_pm(__le16 fc)
185 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
189 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
190 * @fc: frame control bytes in little-endian byteorder
192 static inline int ieee80211_has_moredata(__le16 fc)
194 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
198 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
199 * @fc: frame control bytes in little-endian byteorder
201 static inline int ieee80211_has_protected(__le16 fc)
203 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
207 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
208 * @fc: frame control bytes in little-endian byteorder
210 static inline int ieee80211_has_order(__le16 fc)
212 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
216 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
217 * @fc: frame control bytes in little-endian byteorder
219 static inline int ieee80211_is_mgmt(__le16 fc)
221 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
222 cpu_to_le16(IEEE80211_FTYPE_MGMT);
226 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
227 * @fc: frame control bytes in little-endian byteorder
229 static inline int ieee80211_is_ctl(__le16 fc)
231 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
232 cpu_to_le16(IEEE80211_FTYPE_CTL);
236 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
237 * @fc: frame control bytes in little-endian byteorder
239 static inline int ieee80211_is_data(__le16 fc)
241 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
242 cpu_to_le16(IEEE80211_FTYPE_DATA);
246 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
247 * @fc: frame control bytes in little-endian byteorder
249 static inline int ieee80211_is_data_qos(__le16 fc)
252 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
253 * to check the one bit
255 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
256 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
260 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
261 * @fc: frame control bytes in little-endian byteorder
263 static inline int ieee80211_is_data_present(__le16 fc)
266 * mask with 0x40 and test that that bit is clear to only return true
267 * for the data-containing substypes.
269 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
270 cpu_to_le16(IEEE80211_FTYPE_DATA);
274 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
275 * @fc: frame control bytes in little-endian byteorder
277 static inline int ieee80211_is_assoc_req(__le16 fc)
279 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
280 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
284 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
285 * @fc: frame control bytes in little-endian byteorder
287 static inline int ieee80211_is_assoc_resp(__le16 fc)
289 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
290 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
294 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
295 * @fc: frame control bytes in little-endian byteorder
297 static inline int ieee80211_is_reassoc_req(__le16 fc)
299 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
300 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
304 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
305 * @fc: frame control bytes in little-endian byteorder
307 static inline int ieee80211_is_reassoc_resp(__le16 fc)
309 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
310 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
314 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
315 * @fc: frame control bytes in little-endian byteorder
317 static inline int ieee80211_is_probe_req(__le16 fc)
319 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
320 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
324 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
325 * @fc: frame control bytes in little-endian byteorder
327 static inline int ieee80211_is_probe_resp(__le16 fc)
329 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
330 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
334 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
335 * @fc: frame control bytes in little-endian byteorder
337 static inline int ieee80211_is_beacon(__le16 fc)
339 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
340 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
344 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
345 * @fc: frame control bytes in little-endian byteorder
347 static inline int ieee80211_is_atim(__le16 fc)
349 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
354 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
355 * @fc: frame control bytes in little-endian byteorder
357 static inline int ieee80211_is_disassoc(__le16 fc)
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
360 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
364 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
365 * @fc: frame control bytes in little-endian byteorder
367 static inline int ieee80211_is_auth(__le16 fc)
369 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
370 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
374 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
375 * @fc: frame control bytes in little-endian byteorder
377 static inline int ieee80211_is_deauth(__le16 fc)
379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
380 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
384 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
385 * @fc: frame control bytes in little-endian byteorder
387 static inline int ieee80211_is_action(__le16 fc)
389 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
394 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
395 * @fc: frame control bytes in little-endian byteorder
397 static inline int ieee80211_is_back_req(__le16 fc)
399 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
400 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
404 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
405 * @fc: frame control bytes in little-endian byteorder
407 static inline int ieee80211_is_back(__le16 fc)
409 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
410 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
414 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
415 * @fc: frame control bytes in little-endian byteorder
417 static inline int ieee80211_is_pspoll(__le16 fc)
419 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
420 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
424 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
425 * @fc: frame control bytes in little-endian byteorder
427 static inline int ieee80211_is_rts(__le16 fc)
429 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
430 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
434 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
435 * @fc: frame control bytes in little-endian byteorder
437 static inline int ieee80211_is_cts(__le16 fc)
439 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
440 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
444 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
445 * @fc: frame control bytes in little-endian byteorder
447 static inline int ieee80211_is_ack(__le16 fc)
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
454 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
455 * @fc: frame control bytes in little-endian byteorder
457 static inline int ieee80211_is_cfend(__le16 fc)
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
464 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
465 * @fc: frame control bytes in little-endian byteorder
467 static inline int ieee80211_is_cfendack(__le16 fc)
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
474 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
475 * @fc: frame control bytes in little-endian byteorder
477 static inline int ieee80211_is_nullfunc(__le16 fc)
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
484 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
485 * @fc: frame control bytes in little-endian byteorder
487 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
489 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
490 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
493 struct ieee80211s_hdr {
500 } __attribute__ ((packed));
503 #define MESH_FLAGS_AE_A4 0x1
504 #define MESH_FLAGS_AE_A5_A6 0x2
505 #define MESH_FLAGS_AE 0x3
506 #define MESH_FLAGS_PS_DEEP 0x4
509 * struct ieee80211_quiet_ie
511 * This structure refers to "Quiet information element"
513 struct ieee80211_quiet_ie {
518 } __attribute__ ((packed));
521 * struct ieee80211_msrment_ie
523 * This structure refers to "Measurement Request/Report information element"
525 struct ieee80211_msrment_ie {
530 } __attribute__ ((packed));
533 * struct ieee80211_channel_sw_ie
535 * This structure refers to "Channel Switch Announcement information element"
537 struct ieee80211_channel_sw_ie {
541 } __attribute__ ((packed));
544 * struct ieee80211_tim
546 * This structure refers to "Traffic Indication Map information element"
548 struct ieee80211_tim_ie {
552 /* variable size: 1 - 251 bytes */
554 } __attribute__ ((packed));
557 * struct ieee80211_meshconf_ie
559 * This structure refers to "Mesh Configuration information element"
561 struct ieee80211_meshconf_ie {
569 } __attribute__ ((packed));
572 * struct ieee80211_rann_ie
574 * This structure refers to "Root Announcement information element"
576 struct ieee80211_rann_ie {
583 } __attribute__ ((packed));
585 #define WLAN_SA_QUERY_TR_ID_LEN 2
587 struct ieee80211_mgmt {
588 __le16 frame_control;
597 __le16 auth_transaction;
599 /* possibly followed by Challenge text */
601 } __attribute__ ((packed)) auth;
604 } __attribute__ ((packed)) deauth;
607 __le16 listen_interval;
608 /* followed by SSID and Supported rates */
610 } __attribute__ ((packed)) assoc_req;
615 /* followed by Supported rates */
617 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
620 __le16 listen_interval;
622 /* followed by SSID and Supported rates */
624 } __attribute__ ((packed)) reassoc_req;
627 } __attribute__ ((packed)) disassoc;
632 /* followed by some of SSID, Supported rates,
633 * FH Params, DS Params, CF Params, IBSS Params, TIM */
635 } __attribute__ ((packed)) beacon;
637 /* only variable items: SSID, Supported rates */
639 } __attribute__ ((packed)) probe_req;
644 /* followed by some of SSID, Supported rates,
645 * FH Params, DS Params, CF Params, IBSS Params */
647 } __attribute__ ((packed)) probe_resp;
656 } __attribute__ ((packed)) wme_action;
661 struct ieee80211_channel_sw_ie sw_elem;
662 } __attribute__((packed)) chan_switch;
668 struct ieee80211_msrment_ie msr_elem;
669 } __attribute__((packed)) measurement;
675 __le16 start_seq_num;
676 } __attribute__((packed)) addba_req;
683 } __attribute__((packed)) addba_resp;
688 } __attribute__((packed)) delba;
691 /* capab_info for open and confirm,
695 /* Followed in plink_confirm by status
696 * code, AID and supported rates,
697 * and directly by supported rates in
698 * plink_open and plink_close
701 } __attribute__((packed)) plink_action;
705 } __attribute__((packed)) mesh_action;
708 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
709 } __attribute__ ((packed)) sa_query;
711 } __attribute__ ((packed)) action;
713 } __attribute__ ((packed));
715 /* mgmt header + 1 byte category code */
716 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
719 /* Management MIC information element (IEEE 802.11w) */
720 struct ieee80211_mmie {
724 u8 sequence_number[6];
726 } __attribute__ ((packed));
729 struct ieee80211_rts {
730 __le16 frame_control;
734 } __attribute__ ((packed));
736 struct ieee80211_cts {
737 __le16 frame_control;
740 } __attribute__ ((packed));
742 struct ieee80211_pspoll {
743 __le16 frame_control;
747 } __attribute__ ((packed));
750 * struct ieee80211_bar - HT Block Ack Request
752 * This structure refers to "HT BlockAckReq" as
753 * described in 802.11n draft section 7.2.1.7.1
755 struct ieee80211_bar {
756 __le16 frame_control;
761 __le16 start_seq_num;
762 } __attribute__((packed));
764 /* 802.11 BAR control masks */
765 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
766 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
769 #define IEEE80211_HT_MCS_MASK_LEN 10
772 * struct ieee80211_mcs_info - MCS information
774 * @rx_highest: highest supported RX rate
775 * @tx_params: TX parameters
777 struct ieee80211_mcs_info {
778 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
782 } __attribute__((packed));
784 /* 802.11n HT capability MSC set */
785 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
786 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
787 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
788 /* value 0 == 1 stream etc */
789 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
790 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
791 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
792 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
795 * 802.11n D5.0 20.3.5 / 20.6 says:
796 * - indices 0 to 7 and 32 are single spatial stream
797 * - 8 to 31 are multiple spatial streams using equal modulation
798 * [8..15 for two streams, 16..23 for three and 24..31 for four]
799 * - remainder are multiple spatial streams using unequal modulation
801 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
802 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
803 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
806 * struct ieee80211_ht_cap - HT capabilities
808 * This structure is the "HT capabilities element" as
809 * described in 802.11n D5.0 7.3.2.57
811 struct ieee80211_ht_cap {
813 u8 ampdu_params_info;
815 /* 16 bytes MCS information */
816 struct ieee80211_mcs_info mcs;
818 __le16 extended_ht_cap_info;
819 __le32 tx_BF_cap_info;
820 u8 antenna_selection_info;
821 } __attribute__ ((packed));
823 /* 802.11n HT capabilities masks (for cap_info) */
824 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
825 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
826 #define IEEE80211_HT_CAP_SM_PS 0x000C
827 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
828 #define IEEE80211_HT_CAP_SGI_20 0x0020
829 #define IEEE80211_HT_CAP_SGI_40 0x0040
830 #define IEEE80211_HT_CAP_TX_STBC 0x0080
831 #define IEEE80211_HT_CAP_RX_STBC 0x0300
832 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
833 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
834 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
835 #define IEEE80211_HT_CAP_RESERVED 0x2000
836 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
837 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
839 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
840 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
841 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
844 * Maximum length of AMPDU that the STA can receive.
845 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
847 enum ieee80211_max_ampdu_length_exp {
848 IEEE80211_HT_MAX_AMPDU_8K = 0,
849 IEEE80211_HT_MAX_AMPDU_16K = 1,
850 IEEE80211_HT_MAX_AMPDU_32K = 2,
851 IEEE80211_HT_MAX_AMPDU_64K = 3
854 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
856 /* Minimum MPDU start spacing */
857 enum ieee80211_min_mpdu_spacing {
858 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
859 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
860 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
861 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
862 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
863 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
864 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
865 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
869 * struct ieee80211_ht_info - HT information
871 * This structure is the "HT information element" as
872 * described in 802.11n D5.0 7.3.2.58
874 struct ieee80211_ht_info {
877 __le16 operation_mode;
880 } __attribute__ ((packed));
883 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
884 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
885 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
886 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
887 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
888 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
889 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
890 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
892 /* for operation_mode */
893 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
894 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
895 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
896 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
897 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
898 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
899 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
902 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
903 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
904 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
905 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
906 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
907 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
910 /* block-ack parameters */
911 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
912 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
913 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
914 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
915 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
918 * A-PMDU buffer sizes
919 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
921 #define IEEE80211_MIN_AMPDU_BUF 0x8
922 #define IEEE80211_MAX_AMPDU_BUF 0x40
925 /* Spatial Multiplexing Power Save Modes */
926 #define WLAN_HT_CAP_SM_PS_STATIC 0
927 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
928 #define WLAN_HT_CAP_SM_PS_INVALID 2
929 #define WLAN_HT_CAP_SM_PS_DISABLED 3
931 /* Authentication algorithms */
932 #define WLAN_AUTH_OPEN 0
933 #define WLAN_AUTH_SHARED_KEY 1
934 #define WLAN_AUTH_FT 2
935 #define WLAN_AUTH_LEAP 128
937 #define WLAN_AUTH_CHALLENGE_LEN 128
939 #define WLAN_CAPABILITY_ESS (1<<0)
940 #define WLAN_CAPABILITY_IBSS (1<<1)
941 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
942 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
943 #define WLAN_CAPABILITY_PRIVACY (1<<4)
944 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
945 #define WLAN_CAPABILITY_PBCC (1<<6)
946 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
949 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
950 #define WLAN_CAPABILITY_QOS (1<<9)
951 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
952 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
954 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
955 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
956 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
958 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
959 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
960 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
963 /* 802.11g ERP information element */
964 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
965 #define WLAN_ERP_USE_PROTECTION (1<<1)
966 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
968 /* WLAN_ERP_BARKER_PREAMBLE values */
970 WLAN_ERP_PREAMBLE_SHORT = 0,
971 WLAN_ERP_PREAMBLE_LONG = 1,
975 enum ieee80211_statuscode {
976 WLAN_STATUS_SUCCESS = 0,
977 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
978 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
979 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
980 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
981 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
982 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
983 WLAN_STATUS_CHALLENGE_FAIL = 15,
984 WLAN_STATUS_AUTH_TIMEOUT = 16,
985 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
986 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
988 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
989 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
990 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
992 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
993 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
994 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
996 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
997 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
999 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1000 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1002 WLAN_STATUS_INVALID_IE = 40,
1003 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1004 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1005 WLAN_STATUS_INVALID_AKMP = 43,
1006 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1007 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1008 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1010 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1011 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1012 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1013 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1014 WLAN_STATUS_REQUEST_DECLINED = 37,
1015 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1016 WLAN_STATUS_CHANGE_TSPEC = 39,
1017 WLAN_STATUS_WAIT_TS_DELAY = 47,
1018 WLAN_STATUS_NO_DIRECT_LINK = 48,
1019 WLAN_STATUS_STA_NOT_PRESENT = 49,
1020 WLAN_STATUS_STA_NOT_QSTA = 50,
1025 enum ieee80211_reasoncode {
1026 WLAN_REASON_UNSPECIFIED = 1,
1027 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1028 WLAN_REASON_DEAUTH_LEAVING = 3,
1029 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1030 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1031 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1032 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1033 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1034 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1036 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1037 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1039 WLAN_REASON_INVALID_IE = 13,
1040 WLAN_REASON_MIC_FAILURE = 14,
1041 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1042 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1043 WLAN_REASON_IE_DIFFERENT = 17,
1044 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1045 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1046 WLAN_REASON_INVALID_AKMP = 20,
1047 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1048 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1049 WLAN_REASON_IEEE8021X_FAILED = 23,
1050 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1052 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1053 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1054 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1055 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1056 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1057 WLAN_REASON_QSTA_NOT_USE = 37,
1058 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1059 WLAN_REASON_QSTA_TIMEOUT = 39,
1060 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1064 /* Information Element IDs */
1065 enum ieee80211_eid {
1067 WLAN_EID_SUPP_RATES = 1,
1068 WLAN_EID_FH_PARAMS = 2,
1069 WLAN_EID_DS_PARAMS = 3,
1070 WLAN_EID_CF_PARAMS = 4,
1072 WLAN_EID_IBSS_PARAMS = 6,
1073 WLAN_EID_CHALLENGE = 16,
1075 WLAN_EID_COUNTRY = 7,
1076 WLAN_EID_HP_PARAMS = 8,
1077 WLAN_EID_HP_TABLE = 9,
1078 WLAN_EID_REQUEST = 10,
1080 WLAN_EID_QBSS_LOAD = 11,
1081 WLAN_EID_EDCA_PARAM_SET = 12,
1082 WLAN_EID_TSPEC = 13,
1083 WLAN_EID_TCLAS = 14,
1084 WLAN_EID_SCHEDULE = 15,
1085 WLAN_EID_TS_DELAY = 43,
1086 WLAN_EID_TCLAS_PROCESSING = 44,
1087 WLAN_EID_QOS_CAPA = 46,
1090 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
1091 * The numbers have been incremented from those suggested in
1092 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
1095 WLAN_EID_MESH_CONFIG = 51,
1096 WLAN_EID_MESH_ID = 52,
1097 WLAN_EID_PEER_LINK = 55,
1101 WLAN_EID_RANN = 49, /* compatible with FreeBSD */
1103 WLAN_EID_PWR_CONSTRAINT = 32,
1104 WLAN_EID_PWR_CAPABILITY = 33,
1105 WLAN_EID_TPC_REQUEST = 34,
1106 WLAN_EID_TPC_REPORT = 35,
1107 WLAN_EID_SUPPORTED_CHANNELS = 36,
1108 WLAN_EID_CHANNEL_SWITCH = 37,
1109 WLAN_EID_MEASURE_REQUEST = 38,
1110 WLAN_EID_MEASURE_REPORT = 39,
1111 WLAN_EID_QUIET = 40,
1112 WLAN_EID_IBSS_DFS = 41,
1114 WLAN_EID_ERP_INFO = 42,
1115 WLAN_EID_EXT_SUPP_RATES = 50,
1117 WLAN_EID_HT_CAPABILITY = 45,
1118 WLAN_EID_HT_INFORMATION = 61,
1121 WLAN_EID_TIMEOUT_INTERVAL = 56,
1122 WLAN_EID_MMIE = 76 /* 802.11w */,
1124 WLAN_EID_GENERIC = 221,
1125 WLAN_EID_VENDOR_SPECIFIC = 221,
1126 WLAN_EID_QOS_PARAMETER = 222
1129 /* Action category code */
1130 enum ieee80211_category {
1131 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1132 WLAN_CATEGORY_QOS = 1,
1133 WLAN_CATEGORY_DLS = 2,
1134 WLAN_CATEGORY_BACK = 3,
1135 WLAN_CATEGORY_PUBLIC = 4,
1136 WLAN_CATEGORY_HT = 7,
1137 WLAN_CATEGORY_SA_QUERY = 8,
1138 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1139 WLAN_CATEGORY_WMM = 17,
1140 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1141 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1144 /* SPECTRUM_MGMT action code */
1145 enum ieee80211_spectrum_mgmt_actioncode {
1146 WLAN_ACTION_SPCT_MSR_REQ = 0,
1147 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1148 WLAN_ACTION_SPCT_TPC_REQ = 2,
1149 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1150 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1153 /* Security key length */
1154 enum ieee80211_key_len {
1155 WLAN_KEY_LEN_WEP40 = 5,
1156 WLAN_KEY_LEN_WEP104 = 13,
1157 WLAN_KEY_LEN_CCMP = 16,
1158 WLAN_KEY_LEN_TKIP = 32,
1159 WLAN_KEY_LEN_AES_CMAC = 16,
1163 * IEEE 802.11-2007 7.3.2.9 Country information element
1165 * Minimum length is 8 octets, ie len must be evenly
1169 /* Although the spec says 8 I'm seeing 6 in practice */
1170 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1173 * For regulatory extension stuff see IEEE 802.11-2007
1174 * Annex I (page 1141) and Annex J (page 1147). Also
1177 * When dot11RegulatoryClassesRequired is true and the
1178 * first_channel/reg_extension_id is >= 201 then the IE
1179 * compromises of the 'ext' struct represented below:
1181 * - Regulatory extension ID - when generating IE this just needs
1182 * to be monotonically increasing for each triplet passed in
1184 * - Regulatory class - index into set of rules
1185 * - Coverage class - index into air propagation time (Table 7-27),
1186 * in microseconds, you can compute the air propagation time from
1187 * the index by multiplying by 3, so index 10 yields a propagation
1188 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1189 * yet. A value of 0 inicates air propagation of <= 1 us.
1191 * See also Table I.2 for Emission limit sets and table
1192 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1193 * a reg_class to an emission limit set and behavior limit set.
1195 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1198 * Channels numbers in the IE must be monotonically increasing
1199 * if dot11RegulatoryClassesRequired is not true.
1201 * If dot11RegulatoryClassesRequired is true consecutive
1202 * subband triplets following a regulatory triplet shall
1203 * have monotonically increasing first_channel number fields.
1205 * Channel numbers shall not overlap.
1207 * Note that max_power is signed.
1209 struct ieee80211_country_ie_triplet {
1215 } __attribute__ ((packed)) chans;
1217 u8 reg_extension_id;
1220 } __attribute__ ((packed)) ext;
1222 } __attribute__ ((packed));
1224 enum ieee80211_timeout_interval_type {
1225 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1226 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1227 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1230 /* BACK action code */
1231 enum ieee80211_back_actioncode {
1232 WLAN_ACTION_ADDBA_REQ = 0,
1233 WLAN_ACTION_ADDBA_RESP = 1,
1234 WLAN_ACTION_DELBA = 2,
1237 /* BACK (block-ack) parties */
1238 enum ieee80211_back_parties {
1239 WLAN_BACK_RECIPIENT = 0,
1240 WLAN_BACK_INITIATOR = 1,
1241 WLAN_BACK_TIMER = 2,
1244 /* SA Query action */
1245 enum ieee80211_sa_query_action {
1246 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1247 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1251 /* A-MSDU 802.11n */
1252 #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1254 /* cipher suite selectors */
1255 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1256 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1257 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1258 /* reserved: 0x000FAC03 */
1259 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1260 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1261 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1263 /* AKM suite selectors */
1264 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1265 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1267 #define WLAN_MAX_KEY_LEN 32
1269 #define WLAN_PMKID_LEN 16
1272 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1275 * The qos ctrl bytes come after the frame_control, duration, seq_num
1276 * and 3 or 4 addresses of length ETH_ALEN.
1277 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1278 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1280 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1282 if (ieee80211_has_a4(hdr->frame_control))
1283 return (u8 *)hdr + 30;
1285 return (u8 *)hdr + 24;
1289 * ieee80211_get_SA - get pointer to SA
1292 * Given an 802.11 frame, this function returns the offset
1293 * to the source address (SA). It does not verify that the
1294 * header is long enough to contain the address, and the
1295 * header must be long enough to contain the frame control
1298 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1300 if (ieee80211_has_a4(hdr->frame_control))
1302 if (ieee80211_has_fromds(hdr->frame_control))
1308 * ieee80211_get_DA - get pointer to DA
1311 * Given an 802.11 frame, this function returns the offset
1312 * to the destination address (DA). It does not verify that
1313 * the header is long enough to contain the address, and the
1314 * header must be long enough to contain the frame control
1317 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1319 if (ieee80211_has_tods(hdr->frame_control))
1326 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1327 * @hdr: the frame (buffer must include at least the first octet of payload)
1329 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1331 if (ieee80211_is_disassoc(hdr->frame_control) ||
1332 ieee80211_is_deauth(hdr->frame_control))
1335 if (ieee80211_is_action(hdr->frame_control)) {
1339 * Action frames, excluding Public Action frames, are Robust
1340 * Management Frames. However, if we are looking at a Protected
1341 * frame, skip the check since the data may be encrypted and
1342 * the frame has already been found to be a Robust Management
1343 * Frame (by the other end).
1345 if (ieee80211_has_protected(hdr->frame_control))
1347 category = ((u8 *) hdr) + 24;
1348 return *category != WLAN_CATEGORY_PUBLIC &&
1349 *category != WLAN_CATEGORY_HT &&
1350 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1357 * ieee80211_fhss_chan_to_freq - get channel frequency
1358 * @channel: the FHSS channel
1360 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1361 * Ref IEEE 802.11-2007 section 14.6
1363 static inline int ieee80211_fhss_chan_to_freq(int channel)
1365 if ((channel > 1) && (channel < 96))
1366 return channel + 2400;
1372 * ieee80211_freq_to_fhss_chan - get channel
1373 * @freq: the channels frequency
1375 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1376 * Ref IEEE 802.11-2007 section 14.6
1378 static inline int ieee80211_freq_to_fhss_chan(int freq)
1380 if ((freq > 2401) && (freq < 2496))
1387 * ieee80211_dsss_chan_to_freq - get channel center frequency
1388 * @channel: the DSSS channel
1390 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1391 * Ref IEEE 802.11-2007 section 15.6
1393 static inline int ieee80211_dsss_chan_to_freq(int channel)
1395 if ((channel > 0) && (channel < 14))
1396 return 2407 + (channel * 5);
1397 else if (channel == 14)
1404 * ieee80211_freq_to_dsss_chan - get channel
1405 * @freq: the frequency
1407 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1408 * Ref IEEE 802.11-2007 section 15.6
1410 * This routine selects the channel with the closest center frequency.
1412 static inline int ieee80211_freq_to_dsss_chan(int freq)
1414 if ((freq >= 2410) && (freq < 2475))
1415 return (freq - 2405) / 5;
1416 else if ((freq >= 2482) && (freq < 2487))
1422 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1423 * Ref IEEE 802.11-2007 section 18.4.6.2
1425 * The channels and frequencies are the same as those defined for DSSS
1427 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1428 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1430 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1431 * Ref IEEE 802.11-2007 section 19.4.2
1433 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1434 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1437 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1438 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1439 * @channel: the OFDM channel
1441 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1442 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1444 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1446 if ((channel > 0) && (channel <= 200) &&
1448 return s_freq + (channel * 5);
1454 * ieee80211_freq_to_ofdm_channel - get channel
1455 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1456 * @freq: the frequency
1458 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1459 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1461 * This routine selects the channel with the closest center frequency.
1463 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1465 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1467 return (freq + 2 - s_freq) / 5;
1473 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1476 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1482 * ieee80211_check_tim - check if AID bit is set in TIM
1484 * @tim_len: length of the TIM IE
1485 * @aid: the AID to look for
1487 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1488 u8 tim_len, u16 aid)
1491 u8 index, indexn1, indexn2;
1493 if (unlikely(!tim || tim_len < sizeof(*tim)))
1498 mask = 1 << (aid & 7);
1500 indexn1 = tim->bitmap_ctrl & 0xfe;
1501 indexn2 = tim_len + indexn1 - 4;
1503 if (index < indexn1 || index > indexn2)
1508 return !!(tim->virtual_map[index] & mask);
1511 #endif /* LINUX_IEEE80211_H */