4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #ifndef __LINUX_IEEE80211_H
16 #define __LINUX_IEEE80211_H
21 * TA = transmitter address
22 * RA = receiver address
23 * DA = destination address
26 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
27 * -----------------------------------------------------------------
28 * 0 0 DA SA BSSID - IBSS/DLS
29 * 0 1 DA BSSID SA - AP -> STA
30 * 1 0 BSSID SA DA - AP <- STA
31 * 1 1 RA TA DA SA unspecified (WDS)
36 #define IEEE80211_FCTL_VERS 0x0003
37 #define IEEE80211_FCTL_FTYPE 0x000c
38 #define IEEE80211_FCTL_STYPE 0x00f0
39 #define IEEE80211_FCTL_TODS 0x0100
40 #define IEEE80211_FCTL_FROMDS 0x0200
41 #define IEEE80211_FCTL_MOREFRAGS 0x0400
42 #define IEEE80211_FCTL_RETRY 0x0800
43 #define IEEE80211_FCTL_PM 0x1000
44 #define IEEE80211_FCTL_MOREDATA 0x2000
45 #define IEEE80211_FCTL_PROTECTED 0x4000
46 #define IEEE80211_FCTL_ORDER 0x8000
48 #define IEEE80211_SCTL_FRAG 0x000F
49 #define IEEE80211_SCTL_SEQ 0xFFF0
51 #define IEEE80211_FTYPE_MGMT 0x0000
52 #define IEEE80211_FTYPE_CTL 0x0004
53 #define IEEE80211_FTYPE_DATA 0x0008
56 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
57 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
58 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
59 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
60 #define IEEE80211_STYPE_PROBE_REQ 0x0040
61 #define IEEE80211_STYPE_PROBE_RESP 0x0050
62 #define IEEE80211_STYPE_BEACON 0x0080
63 #define IEEE80211_STYPE_ATIM 0x0090
64 #define IEEE80211_STYPE_DISASSOC 0x00A0
65 #define IEEE80211_STYPE_AUTH 0x00B0
66 #define IEEE80211_STYPE_DEAUTH 0x00C0
67 #define IEEE80211_STYPE_ACTION 0x00D0
70 #define IEEE80211_STYPE_BACK_REQ 0x0080
71 #define IEEE80211_STYPE_BACK 0x0090
72 #define IEEE80211_STYPE_PSPOLL 0x00A0
73 #define IEEE80211_STYPE_RTS 0x00B0
74 #define IEEE80211_STYPE_CTS 0x00C0
75 #define IEEE80211_STYPE_ACK 0x00D0
76 #define IEEE80211_STYPE_CFEND 0x00E0
77 #define IEEE80211_STYPE_CFENDACK 0x00F0
80 #define IEEE80211_STYPE_DATA 0x0000
81 #define IEEE80211_STYPE_DATA_CFACK 0x0010
82 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
83 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
84 #define IEEE80211_STYPE_NULLFUNC 0x0040
85 #define IEEE80211_STYPE_CFACK 0x0050
86 #define IEEE80211_STYPE_CFPOLL 0x0060
87 #define IEEE80211_STYPE_CFACKPOLL 0x0070
88 #define IEEE80211_STYPE_QOS_DATA 0x0080
89 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
90 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
91 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
92 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
93 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
94 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
95 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
98 /* miscellaneous IEEE 802.11 constants */
99 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
100 #define IEEE80211_MAX_RTS_THRESHOLD 2353
101 #define IEEE80211_MAX_AID 2007
102 #define IEEE80211_MAX_TIM_LEN 251
103 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
106 802.11e clarifies the figure in section 7.1.2. The frame body is
107 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
108 #define IEEE80211_MAX_DATA_LEN 2304
109 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
110 #define IEEE80211_MAX_FRAME_LEN 2352
112 #define IEEE80211_MAX_SSID_LEN 32
114 #define IEEE80211_MAX_MESH_ID_LEN 32
116 #define IEEE80211_QOS_CTL_LEN 2
118 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
120 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
122 #define IEEE80211_QOS_CTL_EOSP 0x0010
124 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
125 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
126 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
127 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
129 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
130 /* Mesh Control 802.11s */
131 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
133 /* U-APSD queue for WMM IEs sent by AP */
134 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
135 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
137 /* U-APSD queues for WMM IEs sent by STA */
138 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
139 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
140 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
141 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
142 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
144 /* U-APSD max SP length for WMM IEs sent by STA */
145 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
146 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
147 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
148 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
149 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
150 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
152 #define IEEE80211_HT_CTL_LEN 4
154 struct ieee80211_hdr {
155 __le16 frame_control;
162 } __attribute__ ((packed));
164 struct ieee80211_hdr_3addr {
165 __le16 frame_control;
171 } __attribute__ ((packed));
173 struct ieee80211_qos_hdr {
174 __le16 frame_control;
181 } __attribute__ ((packed));
184 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
185 * @fc: frame control bytes in little-endian byteorder
187 static inline int ieee80211_has_tods(__le16 fc)
189 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
193 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
194 * @fc: frame control bytes in little-endian byteorder
196 static inline int ieee80211_has_fromds(__le16 fc)
198 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
202 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
203 * @fc: frame control bytes in little-endian byteorder
205 static inline int ieee80211_has_a4(__le16 fc)
207 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
208 return (fc & tmp) == tmp;
212 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
213 * @fc: frame control bytes in little-endian byteorder
215 static inline int ieee80211_has_morefrags(__le16 fc)
217 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
221 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
222 * @fc: frame control bytes in little-endian byteorder
224 static inline int ieee80211_has_retry(__le16 fc)
226 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
230 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
231 * @fc: frame control bytes in little-endian byteorder
233 static inline int ieee80211_has_pm(__le16 fc)
235 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
239 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
240 * @fc: frame control bytes in little-endian byteorder
242 static inline int ieee80211_has_moredata(__le16 fc)
244 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
248 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
249 * @fc: frame control bytes in little-endian byteorder
251 static inline int ieee80211_has_protected(__le16 fc)
253 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
257 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
258 * @fc: frame control bytes in little-endian byteorder
260 static inline int ieee80211_has_order(__le16 fc)
262 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
266 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
267 * @fc: frame control bytes in little-endian byteorder
269 static inline int ieee80211_is_mgmt(__le16 fc)
271 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
272 cpu_to_le16(IEEE80211_FTYPE_MGMT);
276 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
277 * @fc: frame control bytes in little-endian byteorder
279 static inline int ieee80211_is_ctl(__le16 fc)
281 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
282 cpu_to_le16(IEEE80211_FTYPE_CTL);
286 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
287 * @fc: frame control bytes in little-endian byteorder
289 static inline int ieee80211_is_data(__le16 fc)
291 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
292 cpu_to_le16(IEEE80211_FTYPE_DATA);
296 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
297 * @fc: frame control bytes in little-endian byteorder
299 static inline int ieee80211_is_data_qos(__le16 fc)
302 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
303 * to check the one bit
305 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
306 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
310 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
311 * @fc: frame control bytes in little-endian byteorder
313 static inline int ieee80211_is_data_present(__le16 fc)
316 * mask with 0x40 and test that that bit is clear to only return true
317 * for the data-containing substypes.
319 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
320 cpu_to_le16(IEEE80211_FTYPE_DATA);
324 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
325 * @fc: frame control bytes in little-endian byteorder
327 static inline int ieee80211_is_assoc_req(__le16 fc)
329 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
330 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
334 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
335 * @fc: frame control bytes in little-endian byteorder
337 static inline int ieee80211_is_assoc_resp(__le16 fc)
339 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
340 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
344 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
345 * @fc: frame control bytes in little-endian byteorder
347 static inline int ieee80211_is_reassoc_req(__le16 fc)
349 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
354 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
355 * @fc: frame control bytes in little-endian byteorder
357 static inline int ieee80211_is_reassoc_resp(__le16 fc)
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
360 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
364 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
365 * @fc: frame control bytes in little-endian byteorder
367 static inline int ieee80211_is_probe_req(__le16 fc)
369 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
370 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
374 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
375 * @fc: frame control bytes in little-endian byteorder
377 static inline int ieee80211_is_probe_resp(__le16 fc)
379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
380 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
384 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
385 * @fc: frame control bytes in little-endian byteorder
387 static inline int ieee80211_is_beacon(__le16 fc)
389 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
394 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
395 * @fc: frame control bytes in little-endian byteorder
397 static inline int ieee80211_is_atim(__le16 fc)
399 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
400 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
404 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
405 * @fc: frame control bytes in little-endian byteorder
407 static inline int ieee80211_is_disassoc(__le16 fc)
409 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
410 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
414 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
415 * @fc: frame control bytes in little-endian byteorder
417 static inline int ieee80211_is_auth(__le16 fc)
419 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
420 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
424 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
425 * @fc: frame control bytes in little-endian byteorder
427 static inline int ieee80211_is_deauth(__le16 fc)
429 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
430 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
434 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
435 * @fc: frame control bytes in little-endian byteorder
437 static inline int ieee80211_is_action(__le16 fc)
439 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
440 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
444 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
445 * @fc: frame control bytes in little-endian byteorder
447 static inline int ieee80211_is_back_req(__le16 fc)
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
454 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
455 * @fc: frame control bytes in little-endian byteorder
457 static inline int ieee80211_is_back(__le16 fc)
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
464 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
465 * @fc: frame control bytes in little-endian byteorder
467 static inline int ieee80211_is_pspoll(__le16 fc)
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
474 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
475 * @fc: frame control bytes in little-endian byteorder
477 static inline int ieee80211_is_rts(__le16 fc)
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
484 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
485 * @fc: frame control bytes in little-endian byteorder
487 static inline int ieee80211_is_cts(__le16 fc)
489 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
490 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
494 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
495 * @fc: frame control bytes in little-endian byteorder
497 static inline int ieee80211_is_ack(__le16 fc)
499 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
500 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
504 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
505 * @fc: frame control bytes in little-endian byteorder
507 static inline int ieee80211_is_cfend(__le16 fc)
509 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
510 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
514 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
515 * @fc: frame control bytes in little-endian byteorder
517 static inline int ieee80211_is_cfendack(__le16 fc)
519 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
520 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
524 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
525 * @fc: frame control bytes in little-endian byteorder
527 static inline int ieee80211_is_nullfunc(__le16 fc)
529 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
530 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
534 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
535 * @fc: frame control bytes in little-endian byteorder
537 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
539 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
540 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
543 static inline unsigned int ieee80211_hdrlen(__le16 fc)
545 unsigned int hdrlen = 24;
547 if (ieee80211_has_a4(fc))
550 if (ieee80211_is_data_qos(fc)) {
551 hdrlen += IEEE80211_QOS_CTL_LEN;
552 if (ieee80211_has_order(fc))
553 hdrlen += IEEE80211_HT_CTL_LEN;
559 struct ieee80211s_hdr {
565 } __attribute__ ((packed));
568 #define MESH_FLAGS_AE_A4 0x1
569 #define MESH_FLAGS_AE_A5_A6 0x2
570 #define MESH_FLAGS_AE 0x3
571 #define MESH_FLAGS_PS_DEEP 0x4
574 * struct ieee80211_quiet_ie
576 * This structure refers to "Quiet information element"
578 struct ieee80211_quiet_ie {
583 } __attribute__ ((packed));
586 * struct ieee80211_msrment_ie
588 * This structure refers to "Measurement Request/Report information element"
590 struct ieee80211_msrment_ie {
595 } __attribute__ ((packed));
598 * struct ieee80211_channel_sw_ie
600 * This structure refers to "Channel Switch Announcement information element"
602 struct ieee80211_channel_sw_ie {
606 } __attribute__ ((packed));
609 * struct ieee80211_tim
611 * This structure refers to "Traffic Indication Map information element"
613 struct ieee80211_tim_ie {
617 /* variable size: 1 - 251 bytes */
619 } __attribute__ ((packed));
622 * struct ieee80211_meshconf_ie
624 * This structure refers to "Mesh Configuration information element"
626 struct ieee80211_meshconf_ie {
634 } __attribute__ ((packed));
637 * struct ieee80211_rann_ie
639 * This structure refers to "Root Announcement information element"
641 struct ieee80211_rann_ie {
649 } __attribute__ ((packed));
651 enum ieee80211_rann_flags {
652 RANN_FLAG_IS_GATE = 1 << 0,
655 #define WLAN_SA_QUERY_TR_ID_LEN 2
657 struct ieee80211_mgmt {
658 __le16 frame_control;
667 __le16 auth_transaction;
669 /* possibly followed by Challenge text */
671 } __attribute__ ((packed)) auth;
674 } __attribute__ ((packed)) deauth;
677 __le16 listen_interval;
678 /* followed by SSID and Supported rates */
680 } __attribute__ ((packed)) assoc_req;
685 /* followed by Supported rates */
687 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
690 __le16 listen_interval;
692 /* followed by SSID and Supported rates */
694 } __attribute__ ((packed)) reassoc_req;
697 } __attribute__ ((packed)) disassoc;
702 /* followed by some of SSID, Supported rates,
703 * FH Params, DS Params, CF Params, IBSS Params, TIM */
705 } __attribute__ ((packed)) beacon;
707 /* only variable items: SSID, Supported rates */
709 } __attribute__ ((packed)) probe_req;
714 /* followed by some of SSID, Supported rates,
715 * FH Params, DS Params, CF Params, IBSS Params */
717 } __attribute__ ((packed)) probe_resp;
726 } __attribute__ ((packed)) wme_action;
731 struct ieee80211_channel_sw_ie sw_elem;
732 } __attribute__((packed)) chan_switch;
738 struct ieee80211_msrment_ie msr_elem;
739 } __attribute__((packed)) measurement;
745 __le16 start_seq_num;
746 } __attribute__((packed)) addba_req;
753 } __attribute__((packed)) addba_resp;
758 } __attribute__((packed)) delba;
762 } __attribute__((packed)) self_prot;
766 } __attribute__((packed)) mesh_action;
769 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
770 } __attribute__ ((packed)) sa_query;
774 } __attribute__ ((packed)) ht_smps;
780 } __packed tdls_discover_resp;
782 } __attribute__ ((packed)) action;
784 } __attribute__ ((packed));
786 /* mgmt header + 1 byte category code */
787 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
790 /* Management MIC information element (IEEE 802.11w) */
791 struct ieee80211_mmie {
795 u8 sequence_number[6];
797 } __attribute__ ((packed));
799 struct ieee80211_vendor_ie {
807 struct ieee80211_rts {
808 __le16 frame_control;
812 } __attribute__ ((packed));
814 struct ieee80211_cts {
815 __le16 frame_control;
818 } __attribute__ ((packed));
820 struct ieee80211_pspoll {
821 __le16 frame_control;
825 } __attribute__ ((packed));
829 /* Link-id information element */
830 struct ieee80211_tdls_lnkie {
831 u8 ie_type; /* Link Identifier IE */
838 struct ieee80211_tdls_data {
850 } __packed setup_req;
856 } __packed setup_resp;
861 } __packed setup_cfm;
869 } __packed discover_req;
874 * struct ieee80211_bar - HT Block Ack Request
876 * This structure refers to "HT BlockAckReq" as
877 * described in 802.11n draft section 7.2.1.7.1
879 struct ieee80211_bar {
880 __le16 frame_control;
885 __le16 start_seq_num;
886 } __attribute__((packed)) __aligned(4);
888 /* 802.11 BA(R) control masks */
889 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
890 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
891 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
892 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
893 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
896 * struct ieee80211_ba - HT Block Ack
898 * This structure refers to "HT BlockAck" as
899 * described in 802.11n draft section 7.2.1.8.1
901 struct ieee80211_ba {
902 __le16 frame_control;
908 __le16 start_seq_num;
910 } __attribute__((packed));
912 #define IEEE80211_HT_MCS_MASK_LEN 10
915 * struct ieee80211_mcs_info - MCS information
917 * @rx_highest: highest supported RX rate. If set represents
918 * the highest supported RX data rate in units of 1 Mbps.
919 * If this field is 0 this value should not be used to
920 * consider the highest RX data rate supported.
921 * @tx_params: TX parameters
923 struct ieee80211_mcs_info {
924 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
928 } __attribute__((packed));
930 /* 802.11n HT capability MSC set */
931 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
932 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
933 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
934 /* value 0 == 1 stream etc */
935 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
936 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
937 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
938 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
941 * 802.11n D5.0 20.3.5 / 20.6 says:
942 * - indices 0 to 7 and 32 are single spatial stream
943 * - 8 to 31 are multiple spatial streams using equal modulation
944 * [8..15 for two streams, 16..23 for three and 24..31 for four]
945 * - remainder are multiple spatial streams using unequal modulation
947 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
948 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
949 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
952 * struct ieee80211_ht_cap - HT capabilities
954 * This structure is the "HT capabilities element" as
955 * described in 802.11n D5.0 7.3.2.57
957 struct ieee80211_ht_cap {
959 u8 ampdu_params_info;
961 /* 16 bytes MCS information */
962 struct ieee80211_mcs_info mcs;
964 __le16 extended_ht_cap_info;
965 __le32 tx_BF_cap_info;
966 u8 antenna_selection_info;
967 } __attribute__ ((packed));
969 /* 802.11n HT capabilities masks (for cap_info) */
970 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
971 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
972 #define IEEE80211_HT_CAP_SM_PS 0x000C
973 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
974 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
975 #define IEEE80211_HT_CAP_SGI_20 0x0020
976 #define IEEE80211_HT_CAP_SGI_40 0x0040
977 #define IEEE80211_HT_CAP_TX_STBC 0x0080
978 #define IEEE80211_HT_CAP_RX_STBC 0x0300
979 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
980 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
981 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
982 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
983 #define IEEE80211_HT_CAP_RESERVED 0x2000
984 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
985 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
987 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
988 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
989 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
990 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
991 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
992 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
993 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
994 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
996 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
997 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
998 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
999 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1002 * Maximum length of AMPDU that the STA can receive.
1003 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1005 enum ieee80211_max_ampdu_length_exp {
1006 IEEE80211_HT_MAX_AMPDU_8K = 0,
1007 IEEE80211_HT_MAX_AMPDU_16K = 1,
1008 IEEE80211_HT_MAX_AMPDU_32K = 2,
1009 IEEE80211_HT_MAX_AMPDU_64K = 3
1012 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1014 /* Minimum MPDU start spacing */
1015 enum ieee80211_min_mpdu_spacing {
1016 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1017 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1018 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1019 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1020 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1021 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1022 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1023 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1027 * struct ieee80211_ht_info - HT information
1029 * This structure is the "HT information element" as
1030 * described in 802.11n D5.0 7.3.2.58
1032 struct ieee80211_ht_info {
1035 __le16 operation_mode;
1038 } __attribute__ ((packed));
1041 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1042 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1043 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1044 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1045 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1046 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1047 #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
1048 #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
1050 /* for operation_mode */
1051 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1052 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1053 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1054 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1055 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1056 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1057 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1059 /* for stbc_param */
1060 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1061 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1062 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1063 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1064 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1065 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1068 /* block-ack parameters */
1069 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1070 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1071 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1072 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1073 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1076 * A-PMDU buffer sizes
1077 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1079 #define IEEE80211_MIN_AMPDU_BUF 0x8
1080 #define IEEE80211_MAX_AMPDU_BUF 0x40
1083 /* Spatial Multiplexing Power Save Modes (for capability) */
1084 #define WLAN_HT_CAP_SM_PS_STATIC 0
1085 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1086 #define WLAN_HT_CAP_SM_PS_INVALID 2
1087 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1089 /* for SM power control field lower two bits */
1090 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1091 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1092 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1094 /* Authentication algorithms */
1095 #define WLAN_AUTH_OPEN 0
1096 #define WLAN_AUTH_SHARED_KEY 1
1097 #define WLAN_AUTH_FT 2
1098 #define WLAN_AUTH_SAE 3
1099 #define WLAN_AUTH_LEAP 128
1101 #define WLAN_AUTH_CHALLENGE_LEN 128
1103 #define WLAN_CAPABILITY_ESS (1<<0)
1104 #define WLAN_CAPABILITY_IBSS (1<<1)
1107 * A mesh STA sets the ESS and IBSS capability bits to zero.
1108 * however, this holds true for p2p probe responses (in the p2p_find
1111 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1112 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1114 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1115 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1116 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1117 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1118 #define WLAN_CAPABILITY_PBCC (1<<6)
1119 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1122 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1123 #define WLAN_CAPABILITY_QOS (1<<9)
1124 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1125 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1127 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1128 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1129 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1131 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1132 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1133 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1136 /* 802.11g ERP information element */
1137 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1138 #define WLAN_ERP_USE_PROTECTION (1<<1)
1139 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1141 /* WLAN_ERP_BARKER_PREAMBLE values */
1143 WLAN_ERP_PREAMBLE_SHORT = 0,
1144 WLAN_ERP_PREAMBLE_LONG = 1,
1148 enum ieee80211_statuscode {
1149 WLAN_STATUS_SUCCESS = 0,
1150 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1151 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1152 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1153 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1154 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1155 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1156 WLAN_STATUS_CHALLENGE_FAIL = 15,
1157 WLAN_STATUS_AUTH_TIMEOUT = 16,
1158 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1159 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1161 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1162 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1163 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1165 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1166 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1167 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1169 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1170 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1172 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1173 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1175 WLAN_STATUS_INVALID_IE = 40,
1176 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1177 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1178 WLAN_STATUS_INVALID_AKMP = 43,
1179 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1180 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1181 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1183 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1184 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1185 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1186 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1187 WLAN_STATUS_REQUEST_DECLINED = 37,
1188 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1189 WLAN_STATUS_CHANGE_TSPEC = 39,
1190 WLAN_STATUS_WAIT_TS_DELAY = 47,
1191 WLAN_STATUS_NO_DIRECT_LINK = 48,
1192 WLAN_STATUS_STA_NOT_PRESENT = 49,
1193 WLAN_STATUS_STA_NOT_QSTA = 50,
1195 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1196 WLAN_STATUS_FCG_NOT_SUPP = 78,
1197 WLAN_STATUS_STA_NO_TBTT = 78,
1202 enum ieee80211_reasoncode {
1203 WLAN_REASON_UNSPECIFIED = 1,
1204 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1205 WLAN_REASON_DEAUTH_LEAVING = 3,
1206 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1207 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1208 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1209 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1210 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1211 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1213 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1214 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1216 WLAN_REASON_INVALID_IE = 13,
1217 WLAN_REASON_MIC_FAILURE = 14,
1218 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1219 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1220 WLAN_REASON_IE_DIFFERENT = 17,
1221 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1222 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1223 WLAN_REASON_INVALID_AKMP = 20,
1224 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1225 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1226 WLAN_REASON_IEEE8021X_FAILED = 23,
1227 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1229 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1230 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1231 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1232 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1233 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1234 WLAN_REASON_QSTA_NOT_USE = 37,
1235 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1236 WLAN_REASON_QSTA_TIMEOUT = 39,
1237 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1239 WLAN_REASON_MESH_PEER_CANCELED = 52,
1240 WLAN_REASON_MESH_MAX_PEERS = 53,
1241 WLAN_REASON_MESH_CONFIG = 54,
1242 WLAN_REASON_MESH_CLOSE = 55,
1243 WLAN_REASON_MESH_MAX_RETRIES = 56,
1244 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1245 WLAN_REASON_MESH_INVALID_GTK = 58,
1246 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1247 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1248 WLAN_REASON_MESH_PATH_ERROR = 61,
1249 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1250 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1251 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1252 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1253 WLAN_REASON_MESH_CHAN = 66,
1257 /* Information Element IDs */
1258 enum ieee80211_eid {
1260 WLAN_EID_SUPP_RATES = 1,
1261 WLAN_EID_FH_PARAMS = 2,
1262 WLAN_EID_DS_PARAMS = 3,
1263 WLAN_EID_CF_PARAMS = 4,
1265 WLAN_EID_IBSS_PARAMS = 6,
1266 WLAN_EID_CHALLENGE = 16,
1268 WLAN_EID_COUNTRY = 7,
1269 WLAN_EID_HP_PARAMS = 8,
1270 WLAN_EID_HP_TABLE = 9,
1271 WLAN_EID_REQUEST = 10,
1273 WLAN_EID_QBSS_LOAD = 11,
1274 WLAN_EID_EDCA_PARAM_SET = 12,
1275 WLAN_EID_TSPEC = 13,
1276 WLAN_EID_TCLAS = 14,
1277 WLAN_EID_SCHEDULE = 15,
1278 WLAN_EID_TS_DELAY = 43,
1279 WLAN_EID_TCLAS_PROCESSING = 44,
1280 WLAN_EID_QOS_CAPA = 46,
1282 WLAN_EID_LINK_ID = 101,
1284 WLAN_EID_MESH_CONFIG = 113,
1285 WLAN_EID_MESH_ID = 114,
1286 WLAN_EID_LINK_METRIC_REPORT = 115,
1287 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1288 WLAN_EID_PEER_MGMT = 117,
1289 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1290 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1291 WLAN_EID_BEACON_TIMING = 120,
1292 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1293 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1294 WLAN_EID_MCCAOP_ADVERT = 123,
1295 WLAN_EID_MCCAOP_TEARDOWN = 124,
1296 WLAN_EID_GANN = 125,
1297 WLAN_EID_RANN = 126,
1298 WLAN_EID_PREQ = 130,
1299 WLAN_EID_PREP = 131,
1300 WLAN_EID_PERR = 132,
1302 WLAN_EID_PXUC = 138,
1303 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1306 WLAN_EID_PWR_CONSTRAINT = 32,
1307 WLAN_EID_PWR_CAPABILITY = 33,
1308 WLAN_EID_TPC_REQUEST = 34,
1309 WLAN_EID_TPC_REPORT = 35,
1310 WLAN_EID_SUPPORTED_CHANNELS = 36,
1311 WLAN_EID_CHANNEL_SWITCH = 37,
1312 WLAN_EID_MEASURE_REQUEST = 38,
1313 WLAN_EID_MEASURE_REPORT = 39,
1314 WLAN_EID_QUIET = 40,
1315 WLAN_EID_IBSS_DFS = 41,
1317 WLAN_EID_ERP_INFO = 42,
1318 WLAN_EID_EXT_SUPP_RATES = 50,
1320 WLAN_EID_HT_CAPABILITY = 45,
1321 WLAN_EID_HT_INFORMATION = 61,
1326 WLAN_EID_GENERIC = 221,
1327 WLAN_EID_VENDOR_SPECIFIC = 221,
1328 WLAN_EID_QOS_PARAMETER = 222,
1330 WLAN_EID_AP_CHAN_REPORT = 51,
1331 WLAN_EID_NEIGHBOR_REPORT = 52,
1333 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1334 WLAN_EID_ANTENNA_INFO = 64,
1336 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1337 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1338 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1339 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1340 WLAN_EID_MULTIPLE_BSSID = 71,
1341 WLAN_EID_BSS_COEX_2040 = 72,
1342 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1343 WLAN_EID_EXT_CAPABILITY = 127,
1345 WLAN_EID_MOBILITY_DOMAIN = 54,
1346 WLAN_EID_FAST_BSS_TRANSITION = 55,
1347 WLAN_EID_TIMEOUT_INTERVAL = 56,
1348 WLAN_EID_RIC_DATA = 57,
1349 WLAN_EID_RIC_DESCRIPTOR = 75,
1351 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1352 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1353 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1356 /* Action category code */
1357 enum ieee80211_category {
1358 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1359 WLAN_CATEGORY_QOS = 1,
1360 WLAN_CATEGORY_DLS = 2,
1361 WLAN_CATEGORY_BACK = 3,
1362 WLAN_CATEGORY_PUBLIC = 4,
1363 WLAN_CATEGORY_HT = 7,
1364 WLAN_CATEGORY_SA_QUERY = 8,
1365 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1366 WLAN_CATEGORY_TDLS = 12,
1367 WLAN_CATEGORY_MESH_ACTION = 13,
1368 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1369 WLAN_CATEGORY_SELF_PROTECTED = 15,
1370 WLAN_CATEGORY_WMM = 17,
1371 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1372 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1375 /* SPECTRUM_MGMT action code */
1376 enum ieee80211_spectrum_mgmt_actioncode {
1377 WLAN_ACTION_SPCT_MSR_REQ = 0,
1378 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1379 WLAN_ACTION_SPCT_TPC_REQ = 2,
1380 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1381 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1384 /* HT action codes */
1385 enum ieee80211_ht_actioncode {
1386 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1387 WLAN_HT_ACTION_SMPS = 1,
1388 WLAN_HT_ACTION_PSMP = 2,
1389 WLAN_HT_ACTION_PCO_PHASE = 3,
1390 WLAN_HT_ACTION_CSI = 4,
1391 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1392 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1393 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1396 /* Self Protected Action codes */
1397 enum ieee80211_self_protected_actioncode {
1398 WLAN_SP_RESERVED = 0,
1399 WLAN_SP_MESH_PEERING_OPEN = 1,
1400 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1401 WLAN_SP_MESH_PEERING_CLOSE = 3,
1402 WLAN_SP_MGK_INFORM = 4,
1403 WLAN_SP_MGK_ACK = 5,
1406 /* Mesh action codes */
1407 enum ieee80211_mesh_actioncode {
1408 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1409 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1410 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1411 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1412 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1413 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1414 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1415 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1416 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1417 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1418 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1421 /* Security key length */
1422 enum ieee80211_key_len {
1423 WLAN_KEY_LEN_WEP40 = 5,
1424 WLAN_KEY_LEN_WEP104 = 13,
1425 WLAN_KEY_LEN_CCMP = 16,
1426 WLAN_KEY_LEN_TKIP = 32,
1427 WLAN_KEY_LEN_AES_CMAC = 16,
1430 /* Public action codes */
1431 enum ieee80211_pub_actioncode {
1432 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1435 /* TDLS action codes */
1436 enum ieee80211_tdls_actioncode {
1437 WLAN_TDLS_SETUP_REQUEST = 0,
1438 WLAN_TDLS_SETUP_RESPONSE = 1,
1439 WLAN_TDLS_SETUP_CONFIRM = 2,
1440 WLAN_TDLS_TEARDOWN = 3,
1441 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1442 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1443 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1444 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1445 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1446 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1447 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1451 * TDLS capabililites to be enabled in the 5th byte of the
1452 * @WLAN_EID_EXT_CAPABILITY information element
1454 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1455 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1457 /* TDLS specific payload type in the LLC/SNAP header */
1458 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1461 * enum - mesh path selection protocol identifier
1463 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1464 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1465 * be specified in a vendor specific information element
1468 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1469 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1473 * enum - mesh path selection metric identifier
1475 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1476 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1477 * specified in a vendor specific information element
1480 IEEE80211_PATH_METRIC_AIRTIME = 0,
1481 IEEE80211_PATH_METRIC_VENDOR = 255,
1486 * IEEE 802.11-2007 7.3.2.9 Country information element
1488 * Minimum length is 8 octets, ie len must be evenly
1492 /* Although the spec says 8 I'm seeing 6 in practice */
1493 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1495 /* The Country String field of the element shall be 3 octets in length */
1496 #define IEEE80211_COUNTRY_STRING_LEN 3
1499 * For regulatory extension stuff see IEEE 802.11-2007
1500 * Annex I (page 1141) and Annex J (page 1147). Also
1503 * When dot11RegulatoryClassesRequired is true and the
1504 * first_channel/reg_extension_id is >= 201 then the IE
1505 * compromises of the 'ext' struct represented below:
1507 * - Regulatory extension ID - when generating IE this just needs
1508 * to be monotonically increasing for each triplet passed in
1510 * - Regulatory class - index into set of rules
1511 * - Coverage class - index into air propagation time (Table 7-27),
1512 * in microseconds, you can compute the air propagation time from
1513 * the index by multiplying by 3, so index 10 yields a propagation
1514 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1515 * yet. A value of 0 inicates air propagation of <= 1 us.
1517 * See also Table I.2 for Emission limit sets and table
1518 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1519 * a reg_class to an emission limit set and behavior limit set.
1521 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1524 * Channels numbers in the IE must be monotonically increasing
1525 * if dot11RegulatoryClassesRequired is not true.
1527 * If dot11RegulatoryClassesRequired is true consecutive
1528 * subband triplets following a regulatory triplet shall
1529 * have monotonically increasing first_channel number fields.
1531 * Channel numbers shall not overlap.
1533 * Note that max_power is signed.
1535 struct ieee80211_country_ie_triplet {
1541 } __attribute__ ((packed)) chans;
1543 u8 reg_extension_id;
1546 } __attribute__ ((packed)) ext;
1548 } __attribute__ ((packed));
1550 enum ieee80211_timeout_interval_type {
1551 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1552 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1553 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1556 /* BACK action code */
1557 enum ieee80211_back_actioncode {
1558 WLAN_ACTION_ADDBA_REQ = 0,
1559 WLAN_ACTION_ADDBA_RESP = 1,
1560 WLAN_ACTION_DELBA = 2,
1563 /* BACK (block-ack) parties */
1564 enum ieee80211_back_parties {
1565 WLAN_BACK_RECIPIENT = 0,
1566 WLAN_BACK_INITIATOR = 1,
1569 /* SA Query action */
1570 enum ieee80211_sa_query_action {
1571 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1572 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1576 /* cipher suite selectors */
1577 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1578 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1579 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1580 /* reserved: 0x000FAC03 */
1581 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1582 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1583 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1585 /* AKM suite selectors */
1586 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1587 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1588 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1589 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1591 #define WLAN_MAX_KEY_LEN 32
1593 #define WLAN_PMKID_LEN 16
1595 #define WLAN_OUI_WFA 0x506f9a
1596 #define WLAN_OUI_TYPE_WFA_P2P 9
1599 * WMM/802.11e Tspec Element
1601 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1602 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1604 enum ieee80211_tspec_status_code {
1605 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1606 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1609 struct ieee80211_tspec_ie {
1618 __le16 nominal_msdu;
1620 __le32 min_service_int;
1621 __le32 max_service_int;
1622 __le32 inactivity_int;
1623 __le32 suspension_int;
1624 __le32 service_start_time;
1625 __le32 min_data_rate;
1626 __le32 mean_data_rate;
1627 __le32 peak_data_rate;
1628 __le32 max_burst_size;
1630 __le32 min_phy_rate;
1636 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1639 * The qos ctrl bytes come after the frame_control, duration, seq_num
1640 * and 3 or 4 addresses of length ETH_ALEN.
1641 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1642 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1644 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1646 if (ieee80211_has_a4(hdr->frame_control))
1647 return (u8 *)hdr + 30;
1649 return (u8 *)hdr + 24;
1653 * ieee80211_get_SA - get pointer to SA
1656 * Given an 802.11 frame, this function returns the offset
1657 * to the source address (SA). It does not verify that the
1658 * header is long enough to contain the address, and the
1659 * header must be long enough to contain the frame control
1662 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1664 if (ieee80211_has_a4(hdr->frame_control))
1666 if (ieee80211_has_fromds(hdr->frame_control))
1672 * ieee80211_get_DA - get pointer to DA
1675 * Given an 802.11 frame, this function returns the offset
1676 * to the destination address (DA). It does not verify that
1677 * the header is long enough to contain the address, and the
1678 * header must be long enough to contain the frame control
1681 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1683 if (ieee80211_has_tods(hdr->frame_control))
1690 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1691 * @hdr: the frame (buffer must include at least the first octet of payload)
1693 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1695 if (ieee80211_is_disassoc(hdr->frame_control) ||
1696 ieee80211_is_deauth(hdr->frame_control))
1699 if (ieee80211_is_action(hdr->frame_control)) {
1703 * Action frames, excluding Public Action frames, are Robust
1704 * Management Frames. However, if we are looking at a Protected
1705 * frame, skip the check since the data may be encrypted and
1706 * the frame has already been found to be a Robust Management
1707 * Frame (by the other end).
1709 if (ieee80211_has_protected(hdr->frame_control))
1711 category = ((u8 *) hdr) + 24;
1712 return *category != WLAN_CATEGORY_PUBLIC &&
1713 *category != WLAN_CATEGORY_HT &&
1714 *category != WLAN_CATEGORY_SELF_PROTECTED &&
1715 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
1722 * ieee80211_fhss_chan_to_freq - get channel frequency
1723 * @channel: the FHSS channel
1725 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1726 * Ref IEEE 802.11-2007 section 14.6
1728 static inline int ieee80211_fhss_chan_to_freq(int channel)
1730 if ((channel > 1) && (channel < 96))
1731 return channel + 2400;
1737 * ieee80211_freq_to_fhss_chan - get channel
1738 * @freq: the channels frequency
1740 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1741 * Ref IEEE 802.11-2007 section 14.6
1743 static inline int ieee80211_freq_to_fhss_chan(int freq)
1745 if ((freq > 2401) && (freq < 2496))
1752 * ieee80211_dsss_chan_to_freq - get channel center frequency
1753 * @channel: the DSSS channel
1755 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1756 * Ref IEEE 802.11-2007 section 15.6
1758 static inline int ieee80211_dsss_chan_to_freq(int channel)
1760 if ((channel > 0) && (channel < 14))
1761 return 2407 + (channel * 5);
1762 else if (channel == 14)
1769 * ieee80211_freq_to_dsss_chan - get channel
1770 * @freq: the frequency
1772 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1773 * Ref IEEE 802.11-2007 section 15.6
1775 * This routine selects the channel with the closest center frequency.
1777 static inline int ieee80211_freq_to_dsss_chan(int freq)
1779 if ((freq >= 2410) && (freq < 2475))
1780 return (freq - 2405) / 5;
1781 else if ((freq >= 2482) && (freq < 2487))
1787 /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1788 * Ref IEEE 802.11-2007 section 18.4.6.2
1790 * The channels and frequencies are the same as those defined for DSSS
1792 #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1793 #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1795 /* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1796 * Ref IEEE 802.11-2007 section 19.4.2
1798 #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1799 #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1802 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1803 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1804 * @channel: the OFDM channel
1806 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1807 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1809 static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1811 if ((channel > 0) && (channel <= 200) &&
1813 return s_freq + (channel * 5);
1819 * ieee80211_freq_to_ofdm_channel - get channel
1820 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1821 * @freq: the frequency
1823 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1824 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1826 * This routine selects the channel with the closest center frequency.
1828 static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1830 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1832 return (freq + 2 - s_freq) / 5;
1838 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1841 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1847 * ieee80211_check_tim - check if AID bit is set in TIM
1849 * @tim_len: length of the TIM IE
1850 * @aid: the AID to look for
1852 static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1853 u8 tim_len, u16 aid)
1856 u8 indexn0, indexn1, indexn2;
1858 if (unlikely(!tim || tim_len < sizeof(*tim)))
1863 mask = 1 << (aid & 7);
1865 indexn1 = tim->bitmap_ctrl & 0xfe;
1866 indexn2 = tim_len + indexn1 - 4;
1868 if (indexn0 < indexn1 || indexn0 > indexn2)
1873 return !!(tim->virtual_map[indexn0] & mask);
1876 #endif /* __LINUX_IEEE80211_H */