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
47 #define IEEE80211_FCTL_CTL_EXT 0x0f00
49 #define IEEE80211_SCTL_FRAG 0x000F
50 #define IEEE80211_SCTL_SEQ 0xFFF0
52 #define IEEE80211_FTYPE_MGMT 0x0000
53 #define IEEE80211_FTYPE_CTL 0x0004
54 #define IEEE80211_FTYPE_DATA 0x0008
55 #define IEEE80211_FTYPE_EXT 0x000c
58 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
59 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
60 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
61 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
62 #define IEEE80211_STYPE_PROBE_REQ 0x0040
63 #define IEEE80211_STYPE_PROBE_RESP 0x0050
64 #define IEEE80211_STYPE_BEACON 0x0080
65 #define IEEE80211_STYPE_ATIM 0x0090
66 #define IEEE80211_STYPE_DISASSOC 0x00A0
67 #define IEEE80211_STYPE_AUTH 0x00B0
68 #define IEEE80211_STYPE_DEAUTH 0x00C0
69 #define IEEE80211_STYPE_ACTION 0x00D0
72 #define IEEE80211_STYPE_CTL_EXT 0x0060
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
100 /* extension, added by 802.11ad */
101 #define IEEE80211_STYPE_DMG_BEACON 0x0000
103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
104 #define IEEE80211_CTL_EXT_POLL 0x2000
105 #define IEEE80211_CTL_EXT_SPR 0x3000
106 #define IEEE80211_CTL_EXT_GRANT 0x4000
107 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
108 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
109 #define IEEE80211_CTL_EXT_SSW 0x8000
110 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
111 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
114 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
115 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
116 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
118 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
120 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
125 return (sn1 + sn2) & IEEE80211_SN_MASK;
128 static inline u16 ieee80211_sn_inc(u16 sn)
130 return ieee80211_sn_add(sn, 1);
133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
135 return (sn1 - sn2) & IEEE80211_SN_MASK;
138 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
139 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
141 /* miscellaneous IEEE 802.11 constants */
142 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
143 #define IEEE80211_MAX_RTS_THRESHOLD 2353
144 #define IEEE80211_MAX_AID 2007
145 #define IEEE80211_MAX_TIM_LEN 251
146 #define IEEE80211_MAX_MESH_PEERINGS 63
147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
150 802.11e clarifies the figure in section 7.1.2. The frame body is
151 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
152 #define IEEE80211_MAX_DATA_LEN 2304
153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
154 * to 7920 bytes, see 8.2.3 General frame format
156 #define IEEE80211_MAX_DATA_LEN_DMG 7920
157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
158 #define IEEE80211_MAX_FRAME_LEN 2352
160 #define IEEE80211_MAX_SSID_LEN 32
162 #define IEEE80211_MAX_MESH_ID_LEN 32
164 #define IEEE80211_NUM_TIDS 16
166 #define IEEE80211_QOS_CTL_LEN 2
168 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
170 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
172 #define IEEE80211_QOS_CTL_EOSP 0x0010
174 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
175 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
176 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
177 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
178 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
180 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
181 /* Mesh Control 802.11s */
182 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
184 /* U-APSD queue for WMM IEs sent by AP */
185 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
186 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
188 /* U-APSD queues for WMM IEs sent by STA */
189 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
190 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
191 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
192 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
195 /* U-APSD max SP length for WMM IEs sent by STA */
196 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
197 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
198 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
199 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
203 #define IEEE80211_HT_CTL_LEN 4
205 struct ieee80211_hdr {
206 __le16 frame_control;
213 } __packed __aligned(2);
215 struct ieee80211_hdr_3addr {
216 __le16 frame_control;
222 } __packed __aligned(2);
224 struct ieee80211_qos_hdr {
225 __le16 frame_control;
232 } __packed __aligned(2);
235 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
236 * @fc: frame control bytes in little-endian byteorder
238 static inline int ieee80211_has_tods(__le16 fc)
240 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
244 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
245 * @fc: frame control bytes in little-endian byteorder
247 static inline int ieee80211_has_fromds(__le16 fc)
249 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
253 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
254 * @fc: frame control bytes in little-endian byteorder
256 static inline int ieee80211_has_a4(__le16 fc)
258 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
259 return (fc & tmp) == tmp;
263 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
264 * @fc: frame control bytes in little-endian byteorder
266 static inline int ieee80211_has_morefrags(__le16 fc)
268 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
272 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
273 * @fc: frame control bytes in little-endian byteorder
275 static inline int ieee80211_has_retry(__le16 fc)
277 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
281 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
282 * @fc: frame control bytes in little-endian byteorder
284 static inline int ieee80211_has_pm(__le16 fc)
286 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
290 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
291 * @fc: frame control bytes in little-endian byteorder
293 static inline int ieee80211_has_moredata(__le16 fc)
295 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
299 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
300 * @fc: frame control bytes in little-endian byteorder
302 static inline int ieee80211_has_protected(__le16 fc)
304 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
308 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
309 * @fc: frame control bytes in little-endian byteorder
311 static inline int ieee80211_has_order(__le16 fc)
313 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
317 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
318 * @fc: frame control bytes in little-endian byteorder
320 static inline int ieee80211_is_mgmt(__le16 fc)
322 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
323 cpu_to_le16(IEEE80211_FTYPE_MGMT);
327 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
328 * @fc: frame control bytes in little-endian byteorder
330 static inline int ieee80211_is_ctl(__le16 fc)
332 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
333 cpu_to_le16(IEEE80211_FTYPE_CTL);
337 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
338 * @fc: frame control bytes in little-endian byteorder
340 static inline int ieee80211_is_data(__le16 fc)
342 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
343 cpu_to_le16(IEEE80211_FTYPE_DATA);
347 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
348 * @fc: frame control bytes in little-endian byteorder
350 static inline int ieee80211_is_data_qos(__le16 fc)
353 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
354 * to check the one bit
356 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
357 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
361 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
362 * @fc: frame control bytes in little-endian byteorder
364 static inline int ieee80211_is_data_present(__le16 fc)
367 * mask with 0x40 and test that that bit is clear to only return true
368 * for the data-containing substypes.
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
371 cpu_to_le16(IEEE80211_FTYPE_DATA);
375 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
376 * @fc: frame control bytes in little-endian byteorder
378 static inline int ieee80211_is_assoc_req(__le16 fc)
380 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
381 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
385 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
386 * @fc: frame control bytes in little-endian byteorder
388 static inline int ieee80211_is_assoc_resp(__le16 fc)
390 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
391 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
395 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
396 * @fc: frame control bytes in little-endian byteorder
398 static inline int ieee80211_is_reassoc_req(__le16 fc)
400 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
401 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
405 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
406 * @fc: frame control bytes in little-endian byteorder
408 static inline int ieee80211_is_reassoc_resp(__le16 fc)
410 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
411 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
415 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
416 * @fc: frame control bytes in little-endian byteorder
418 static inline int ieee80211_is_probe_req(__le16 fc)
420 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
421 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
425 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
426 * @fc: frame control bytes in little-endian byteorder
428 static inline int ieee80211_is_probe_resp(__le16 fc)
430 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
431 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
435 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
436 * @fc: frame control bytes in little-endian byteorder
438 static inline int ieee80211_is_beacon(__le16 fc)
440 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
441 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
445 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
446 * @fc: frame control bytes in little-endian byteorder
448 static inline int ieee80211_is_atim(__le16 fc)
450 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
451 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
455 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
456 * @fc: frame control bytes in little-endian byteorder
458 static inline int ieee80211_is_disassoc(__le16 fc)
460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
461 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
465 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
466 * @fc: frame control bytes in little-endian byteorder
468 static inline int ieee80211_is_auth(__le16 fc)
470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
471 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
475 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
476 * @fc: frame control bytes in little-endian byteorder
478 static inline int ieee80211_is_deauth(__le16 fc)
480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
481 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
485 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
486 * @fc: frame control bytes in little-endian byteorder
488 static inline int ieee80211_is_action(__le16 fc)
490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
491 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
495 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
496 * @fc: frame control bytes in little-endian byteorder
498 static inline int ieee80211_is_back_req(__le16 fc)
500 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
501 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
505 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
506 * @fc: frame control bytes in little-endian byteorder
508 static inline int ieee80211_is_back(__le16 fc)
510 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
511 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
515 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
516 * @fc: frame control bytes in little-endian byteorder
518 static inline int ieee80211_is_pspoll(__le16 fc)
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
521 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
525 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
526 * @fc: frame control bytes in little-endian byteorder
528 static inline int ieee80211_is_rts(__le16 fc)
530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
531 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
535 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
536 * @fc: frame control bytes in little-endian byteorder
538 static inline int ieee80211_is_cts(__le16 fc)
540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
541 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
545 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
546 * @fc: frame control bytes in little-endian byteorder
548 static inline int ieee80211_is_ack(__le16 fc)
550 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
551 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
555 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
556 * @fc: frame control bytes in little-endian byteorder
558 static inline int ieee80211_is_cfend(__le16 fc)
560 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
561 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
565 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
566 * @fc: frame control bytes in little-endian byteorder
568 static inline int ieee80211_is_cfendack(__le16 fc)
570 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
571 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
575 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
576 * @fc: frame control bytes in little-endian byteorder
578 static inline int ieee80211_is_nullfunc(__le16 fc)
580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
581 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
585 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
586 * @fc: frame control bytes in little-endian byteorder
588 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
594 static inline unsigned int ieee80211_hdrlen(__le16 fc)
596 unsigned int hdrlen = 24;
598 if (ieee80211_has_a4(fc))
601 if (ieee80211_is_data_qos(fc)) {
602 hdrlen += IEEE80211_QOS_CTL_LEN;
603 if (ieee80211_has_order(fc))
604 hdrlen += IEEE80211_HT_CTL_LEN;
611 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
612 * @fc: frame control field in little-endian byteorder
614 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
616 /* IEEE 802.11-2012, definition of "bufferable management frame";
617 * note that this ignores the IBSS special case. */
618 return ieee80211_is_mgmt(fc) &&
619 (ieee80211_is_action(fc) ||
620 ieee80211_is_disassoc(fc) ||
621 ieee80211_is_deauth(fc));
625 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
626 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
628 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
630 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
633 struct ieee80211s_hdr {
639 } __packed __aligned(2);
642 #define MESH_FLAGS_AE_A4 0x1
643 #define MESH_FLAGS_AE_A5_A6 0x2
644 #define MESH_FLAGS_AE 0x3
645 #define MESH_FLAGS_PS_DEEP 0x4
648 * enum ieee80211_preq_flags - mesh PREQ element flags
650 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
652 enum ieee80211_preq_flags {
653 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
657 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
659 * @IEEE80211_PREQ_TO_FLAG: target only subfield
660 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
662 enum ieee80211_preq_target_flags {
663 IEEE80211_PREQ_TO_FLAG = 1<<0,
664 IEEE80211_PREQ_USN_FLAG = 1<<2,
668 * struct ieee80211_quiet_ie
670 * This structure refers to "Quiet information element"
672 struct ieee80211_quiet_ie {
680 * struct ieee80211_msrment_ie
682 * This structure refers to "Measurement Request/Report information element"
684 struct ieee80211_msrment_ie {
692 * struct ieee80211_channel_sw_ie
694 * This structure refers to "Channel Switch Announcement information element"
696 struct ieee80211_channel_sw_ie {
703 * struct ieee80211_ext_chansw_ie
705 * This structure represents the "Extended Channel Switch Announcement element"
707 struct ieee80211_ext_chansw_ie {
709 u8 new_operating_class;
715 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
716 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
718 * This structure represents the "Secondary Channel Offset element"
720 struct ieee80211_sec_chan_offs_ie {
725 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
727 * This structure represents the "Mesh Channel Switch Paramters element"
729 struct ieee80211_mesh_chansw_params_ie {
733 __le16 mesh_pre_value;
737 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
739 struct ieee80211_wide_bw_chansw_ie {
740 u8 new_channel_width;
741 u8 new_center_freq_seg0, new_center_freq_seg1;
745 * struct ieee80211_tim
747 * This structure refers to "Traffic Indication Map information element"
749 struct ieee80211_tim_ie {
753 /* variable size: 1 - 251 bytes */
758 * struct ieee80211_meshconf_ie
760 * This structure refers to "Mesh Configuration information element"
762 struct ieee80211_meshconf_ie {
773 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
775 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
776 * additional mesh peerings with other mesh STAs
777 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
778 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
781 enum mesh_config_capab_flags {
782 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
783 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
784 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
788 * mesh channel switch parameters element's flag indicator
791 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
792 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
793 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
796 * struct ieee80211_rann_ie
798 * This structure refers to "Root Announcement information element"
800 struct ieee80211_rann_ie {
806 __le32 rann_interval;
810 enum ieee80211_rann_flags {
811 RANN_FLAG_IS_GATE = 1 << 0,
814 enum ieee80211_ht_chanwidth_values {
815 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
816 IEEE80211_HT_CHANWIDTH_ANY = 1,
820 * enum ieee80211_opmode_bits - VHT operating mode field bits
821 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
822 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
823 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
824 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
825 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
826 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
827 * (the NSS value is the value of this field + 1)
828 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
829 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
830 * using a beamforming steering matrix
832 enum ieee80211_vht_opmode_bits {
833 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
834 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
835 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
836 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
837 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
838 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
839 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
840 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
843 #define WLAN_SA_QUERY_TR_ID_LEN 2
845 struct ieee80211_mgmt {
846 __le16 frame_control;
855 __le16 auth_transaction;
857 /* possibly followed by Challenge text */
865 __le16 listen_interval;
866 /* followed by SSID and Supported rates */
868 } __packed assoc_req;
873 /* followed by Supported rates */
875 } __packed assoc_resp, reassoc_resp;
878 __le16 listen_interval;
880 /* followed by SSID and Supported rates */
882 } __packed reassoc_req;
890 /* followed by some of SSID, Supported rates,
891 * FH Params, DS Params, CF Params, IBSS Params, TIM */
895 /* only variable items: SSID, Supported rates */
897 } __packed probe_req;
902 /* followed by some of SSID, Supported rates,
903 * FH Params, DS Params, CF Params, IBSS Params */
905 } __packed probe_resp;
914 } __packed wme_action;
918 } __packed chan_switch;
921 struct ieee80211_ext_chansw_ie data;
923 } __packed ext_chan_switch;
929 struct ieee80211_msrment_ie msr_elem;
930 } __packed measurement;
936 __le16 start_seq_num;
937 } __packed addba_req;
944 } __packed addba_resp;
953 } __packed self_prot;
957 } __packed mesh_action;
960 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
969 } __packed ht_notify_cw;
975 } __packed tdls_discover_resp;
979 } __packed vht_opmode_notif;
983 } __packed __aligned(2);
985 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
986 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
988 /* mgmt header + 1 byte category code */
989 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
992 /* Management MIC information element (IEEE 802.11w) */
993 struct ieee80211_mmie {
997 u8 sequence_number[6];
1001 struct ieee80211_vendor_ie {
1008 struct ieee80211_wmm_ac_param {
1009 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1010 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1014 struct ieee80211_wmm_param_ie {
1015 u8 element_id; /* Element ID: 221 (0xdd); */
1016 u8 len; /* Length: 24 */
1017 /* required fields for WMM version 1 */
1018 u8 oui[3]; /* 00:50:f2 */
1019 u8 oui_type; /* 2 */
1020 u8 oui_subtype; /* 1 */
1021 u8 version; /* 1 for WMM version 1.0 */
1022 u8 qos_info; /* AP/STA specific QoS info */
1023 u8 reserved; /* 0 */
1024 /* AC_BE, AC_BK, AC_VI, AC_VO */
1025 struct ieee80211_wmm_ac_param ac[4];
1028 /* Control frames */
1029 struct ieee80211_rts {
1030 __le16 frame_control;
1034 } __packed __aligned(2);
1036 struct ieee80211_cts {
1037 __le16 frame_control;
1040 } __packed __aligned(2);
1042 struct ieee80211_pspoll {
1043 __le16 frame_control;
1047 } __packed __aligned(2);
1051 /* Link-id information element */
1052 struct ieee80211_tdls_lnkie {
1053 u8 ie_type; /* Link Identifier IE */
1060 struct ieee80211_tdls_data {
1072 } __packed setup_req;
1078 } __packed setup_resp;
1083 } __packed setup_cfm;
1087 } __packed teardown;
1091 } __packed discover_req;
1096 * Peer-to-Peer IE attribute related definitions.
1099 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1101 enum ieee80211_p2p_attr_id {
1102 IEEE80211_P2P_ATTR_STATUS = 0,
1103 IEEE80211_P2P_ATTR_MINOR_REASON,
1104 IEEE80211_P2P_ATTR_CAPABILITY,
1105 IEEE80211_P2P_ATTR_DEVICE_ID,
1106 IEEE80211_P2P_ATTR_GO_INTENT,
1107 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1108 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1109 IEEE80211_P2P_ATTR_GROUP_BSSID,
1110 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1111 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1112 IEEE80211_P2P_ATTR_MANAGABILITY,
1113 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1114 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1115 IEEE80211_P2P_ATTR_DEVICE_INFO,
1116 IEEE80211_P2P_ATTR_GROUP_INFO,
1117 IEEE80211_P2P_ATTR_GROUP_ID,
1118 IEEE80211_P2P_ATTR_INTERFACE,
1119 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1120 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1121 /* 19 - 220: Reserved */
1122 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1124 IEEE80211_P2P_ATTR_MAX
1127 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1128 /* Typical max value used here */
1129 #define IEEE80211_P2P_NOA_DESC_MAX 4
1131 struct ieee80211_p2p_noa_desc {
1138 struct ieee80211_p2p_noa_attr {
1141 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1144 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1145 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1148 * struct ieee80211_bar - HT Block Ack Request
1150 * This structure refers to "HT BlockAckReq" as
1151 * described in 802.11n draft section 7.2.1.7.1
1153 struct ieee80211_bar {
1154 __le16 frame_control;
1159 __le16 start_seq_num;
1160 } __packed __aligned(4);
1162 /* 802.11 BA(R) control masks */
1163 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1164 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1165 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1166 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1167 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1170 * struct ieee80211_ba - HT Block Ack
1172 * This structure refers to "HT BlockAck" as
1173 * described in 802.11n draft section 7.2.1.8.1
1175 struct ieee80211_ba {
1176 __le16 frame_control;
1182 __le16 start_seq_num;
1186 #define IEEE80211_HT_MCS_MASK_LEN 10
1189 * struct ieee80211_mcs_info - MCS information
1191 * @rx_highest: highest supported RX rate. If set represents
1192 * the highest supported RX data rate in units of 1 Mbps.
1193 * If this field is 0 this value should not be used to
1194 * consider the highest RX data rate supported.
1195 * @tx_params: TX parameters
1197 struct ieee80211_mcs_info {
1198 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1204 /* 802.11n HT capability MSC set */
1205 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1206 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1207 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1208 /* value 0 == 1 stream etc */
1209 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1210 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1211 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1212 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1215 * 802.11n D5.0 20.3.5 / 20.6 says:
1216 * - indices 0 to 7 and 32 are single spatial stream
1217 * - 8 to 31 are multiple spatial streams using equal modulation
1218 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1219 * - remainder are multiple spatial streams using unequal modulation
1221 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1222 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1223 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1226 * struct ieee80211_ht_cap - HT capabilities
1228 * This structure is the "HT capabilities element" as
1229 * described in 802.11n D5.0 7.3.2.57
1231 struct ieee80211_ht_cap {
1233 u8 ampdu_params_info;
1235 /* 16 bytes MCS information */
1236 struct ieee80211_mcs_info mcs;
1238 __le16 extended_ht_cap_info;
1239 __le32 tx_BF_cap_info;
1240 u8 antenna_selection_info;
1243 /* 802.11n HT capabilities masks (for cap_info) */
1244 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1245 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1246 #define IEEE80211_HT_CAP_SM_PS 0x000C
1247 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1248 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1249 #define IEEE80211_HT_CAP_SGI_20 0x0020
1250 #define IEEE80211_HT_CAP_SGI_40 0x0040
1251 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1252 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1253 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1254 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1255 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1256 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1257 #define IEEE80211_HT_CAP_RESERVED 0x2000
1258 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1259 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1261 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1262 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1263 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1264 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1265 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1266 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1267 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1268 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1270 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1271 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1272 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1273 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1276 * Maximum length of AMPDU that the STA can receive.
1277 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1279 enum ieee80211_max_ampdu_length_exp {
1280 IEEE80211_HT_MAX_AMPDU_8K = 0,
1281 IEEE80211_HT_MAX_AMPDU_16K = 1,
1282 IEEE80211_HT_MAX_AMPDU_32K = 2,
1283 IEEE80211_HT_MAX_AMPDU_64K = 3
1286 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1288 /* Minimum MPDU start spacing */
1289 enum ieee80211_min_mpdu_spacing {
1290 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1291 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1292 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1293 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1294 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1295 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1296 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1297 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1301 * struct ieee80211_ht_operation - HT operation IE
1303 * This structure is the "HT operation element" as
1304 * described in 802.11n-2009 7.3.2.57
1306 struct ieee80211_ht_operation {
1309 __le16 operation_mode;
1315 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1316 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1317 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1318 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1319 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1320 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1322 /* for operation_mode */
1323 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1324 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1325 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1326 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1327 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1328 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1329 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1331 /* for stbc_param */
1332 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1333 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1334 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1335 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1336 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1337 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1340 /* block-ack parameters */
1341 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1342 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1343 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1344 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1345 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1348 * A-PMDU buffer sizes
1349 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1351 #define IEEE80211_MIN_AMPDU_BUF 0x8
1352 #define IEEE80211_MAX_AMPDU_BUF 0x40
1355 /* Spatial Multiplexing Power Save Modes (for capability) */
1356 #define WLAN_HT_CAP_SM_PS_STATIC 0
1357 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1358 #define WLAN_HT_CAP_SM_PS_INVALID 2
1359 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1361 /* for SM power control field lower two bits */
1362 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1363 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1364 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1367 * struct ieee80211_vht_mcs_info - VHT MCS information
1368 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1369 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1370 * STA can receive. Rate expressed in units of 1 Mbps.
1371 * If this field is 0 this value should not be used to
1372 * consider the highest RX data rate supported.
1373 * The top 3 bits of this field are reserved.
1374 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1375 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1376 * STA can transmit. Rate expressed in units of 1 Mbps.
1377 * If this field is 0 this value should not be used to
1378 * consider the highest TX data rate supported.
1379 * The top 3 bits of this field are reserved.
1381 struct ieee80211_vht_mcs_info {
1389 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1390 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1392 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1393 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1394 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1396 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1397 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1398 * both split into 8 subfields by number of streams. These values indicate
1399 * which MCSes are supported for the number of streams the value appears
1402 enum ieee80211_vht_mcs_support {
1403 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1404 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1405 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1406 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1410 * struct ieee80211_vht_cap - VHT capabilities
1412 * This structure is the "VHT capabilities element" as
1413 * described in 802.11ac D3.0 8.4.2.160
1414 * @vht_cap_info: VHT capability info
1415 * @supp_mcs: VHT MCS supported rates
1417 struct ieee80211_vht_cap {
1418 __le32 vht_cap_info;
1419 struct ieee80211_vht_mcs_info supp_mcs;
1423 * enum ieee80211_vht_chanwidth - VHT channel width
1424 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1425 * determine the channel width (20 or 40 MHz)
1426 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1427 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1428 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1430 enum ieee80211_vht_chanwidth {
1431 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1432 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1433 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1434 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1438 * struct ieee80211_vht_operation - VHT operation IE
1440 * This structure is the "VHT operation element" as
1441 * described in 802.11ac D3.0 8.4.2.161
1442 * @chan_width: Operating channel width
1443 * @center_freq_seg1_idx: center freq segment 1 index
1444 * @center_freq_seg2_idx: center freq segment 2 index
1445 * @basic_mcs_set: VHT Basic MCS rate set
1447 struct ieee80211_vht_operation {
1449 u8 center_freq_seg1_idx;
1450 u8 center_freq_seg2_idx;
1451 __le16 basic_mcs_set;
1455 /* 802.11ac VHT Capabilities */
1456 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1457 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1458 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1459 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1460 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1461 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1462 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1463 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1464 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1465 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1466 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1467 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1468 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1469 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1470 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1471 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1472 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1473 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1474 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1475 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1476 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1477 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1478 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1479 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1480 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1481 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1482 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1483 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1484 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1485 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1486 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1487 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1488 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1490 /* Authentication algorithms */
1491 #define WLAN_AUTH_OPEN 0
1492 #define WLAN_AUTH_SHARED_KEY 1
1493 #define WLAN_AUTH_FT 2
1494 #define WLAN_AUTH_SAE 3
1495 #define WLAN_AUTH_LEAP 128
1497 #define WLAN_AUTH_CHALLENGE_LEN 128
1499 #define WLAN_CAPABILITY_ESS (1<<0)
1500 #define WLAN_CAPABILITY_IBSS (1<<1)
1503 * A mesh STA sets the ESS and IBSS capability bits to zero.
1504 * however, this holds true for p2p probe responses (in the p2p_find
1507 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1508 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1510 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1511 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1512 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1513 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1514 #define WLAN_CAPABILITY_PBCC (1<<6)
1515 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1518 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1519 #define WLAN_CAPABILITY_QOS (1<<9)
1520 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1521 #define WLAN_CAPABILITY_APSD (1<<11)
1522 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1523 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1524 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1525 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1527 /* DMG (60gHz) 802.11ad */
1528 /* type - bits 0..1 */
1529 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1530 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1531 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1532 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1534 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1535 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1536 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1537 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1539 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1540 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1543 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1544 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1545 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1547 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1548 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1549 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1551 /* 802.11g ERP information element */
1552 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1553 #define WLAN_ERP_USE_PROTECTION (1<<1)
1554 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1556 /* WLAN_ERP_BARKER_PREAMBLE values */
1558 WLAN_ERP_PREAMBLE_SHORT = 0,
1559 WLAN_ERP_PREAMBLE_LONG = 1,
1562 /* Band ID, 802.11ad #8.4.1.45 */
1564 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1565 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1566 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1567 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1568 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1569 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1573 enum ieee80211_statuscode {
1574 WLAN_STATUS_SUCCESS = 0,
1575 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1576 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1577 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1578 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1579 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1580 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1581 WLAN_STATUS_CHALLENGE_FAIL = 15,
1582 WLAN_STATUS_AUTH_TIMEOUT = 16,
1583 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1584 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1586 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1587 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1588 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1590 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1591 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1592 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1594 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1595 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1597 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1598 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1600 WLAN_STATUS_INVALID_IE = 40,
1601 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1602 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1603 WLAN_STATUS_INVALID_AKMP = 43,
1604 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1605 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1606 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1608 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1609 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1610 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1611 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1612 WLAN_STATUS_REQUEST_DECLINED = 37,
1613 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1614 WLAN_STATUS_CHANGE_TSPEC = 39,
1615 WLAN_STATUS_WAIT_TS_DELAY = 47,
1616 WLAN_STATUS_NO_DIRECT_LINK = 48,
1617 WLAN_STATUS_STA_NOT_PRESENT = 49,
1618 WLAN_STATUS_STA_NOT_QSTA = 50,
1620 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1621 WLAN_STATUS_FCG_NOT_SUPP = 78,
1622 WLAN_STATUS_STA_NO_TBTT = 78,
1624 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1625 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1626 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1627 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1628 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1629 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1630 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1631 WLAN_STATUS_REJECT_DSE_BAND = 96,
1632 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1633 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1638 enum ieee80211_reasoncode {
1639 WLAN_REASON_UNSPECIFIED = 1,
1640 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1641 WLAN_REASON_DEAUTH_LEAVING = 3,
1642 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1643 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1644 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1645 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1646 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1647 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1649 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1650 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1652 WLAN_REASON_INVALID_IE = 13,
1653 WLAN_REASON_MIC_FAILURE = 14,
1654 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1655 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1656 WLAN_REASON_IE_DIFFERENT = 17,
1657 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1658 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1659 WLAN_REASON_INVALID_AKMP = 20,
1660 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1661 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1662 WLAN_REASON_IEEE8021X_FAILED = 23,
1663 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1664 /* TDLS (802.11z) */
1665 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1666 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1668 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1669 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1670 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1671 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1672 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1673 WLAN_REASON_QSTA_NOT_USE = 37,
1674 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1675 WLAN_REASON_QSTA_TIMEOUT = 39,
1676 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1678 WLAN_REASON_MESH_PEER_CANCELED = 52,
1679 WLAN_REASON_MESH_MAX_PEERS = 53,
1680 WLAN_REASON_MESH_CONFIG = 54,
1681 WLAN_REASON_MESH_CLOSE = 55,
1682 WLAN_REASON_MESH_MAX_RETRIES = 56,
1683 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1684 WLAN_REASON_MESH_INVALID_GTK = 58,
1685 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1686 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1687 WLAN_REASON_MESH_PATH_ERROR = 61,
1688 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1689 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1690 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1691 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1692 WLAN_REASON_MESH_CHAN = 66,
1696 /* Information Element IDs */
1697 enum ieee80211_eid {
1699 WLAN_EID_SUPP_RATES = 1,
1700 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1701 WLAN_EID_DS_PARAMS = 3,
1702 WLAN_EID_CF_PARAMS = 4,
1704 WLAN_EID_IBSS_PARAMS = 6,
1705 WLAN_EID_COUNTRY = 7,
1706 WLAN_EID_HP_PARAMS = 8,
1707 WLAN_EID_HP_TABLE = 9,
1708 WLAN_EID_REQUEST = 10,
1709 WLAN_EID_QBSS_LOAD = 11,
1710 WLAN_EID_EDCA_PARAM_SET = 12,
1711 WLAN_EID_TSPEC = 13,
1712 WLAN_EID_TCLAS = 14,
1713 WLAN_EID_SCHEDULE = 15,
1714 WLAN_EID_CHALLENGE = 16,
1715 /* 17-31 reserved for challenge text extension */
1716 WLAN_EID_PWR_CONSTRAINT = 32,
1717 WLAN_EID_PWR_CAPABILITY = 33,
1718 WLAN_EID_TPC_REQUEST = 34,
1719 WLAN_EID_TPC_REPORT = 35,
1720 WLAN_EID_SUPPORTED_CHANNELS = 36,
1721 WLAN_EID_CHANNEL_SWITCH = 37,
1722 WLAN_EID_MEASURE_REQUEST = 38,
1723 WLAN_EID_MEASURE_REPORT = 39,
1724 WLAN_EID_QUIET = 40,
1725 WLAN_EID_IBSS_DFS = 41,
1726 WLAN_EID_ERP_INFO = 42,
1727 WLAN_EID_TS_DELAY = 43,
1728 WLAN_EID_TCLAS_PROCESSING = 44,
1729 WLAN_EID_HT_CAPABILITY = 45,
1730 WLAN_EID_QOS_CAPA = 46,
1731 /* 47 reserved for Broadcom */
1733 WLAN_EID_802_15_COEX = 49,
1734 WLAN_EID_EXT_SUPP_RATES = 50,
1735 WLAN_EID_AP_CHAN_REPORT = 51,
1736 WLAN_EID_NEIGHBOR_REPORT = 52,
1738 WLAN_EID_MOBILITY_DOMAIN = 54,
1739 WLAN_EID_FAST_BSS_TRANSITION = 55,
1740 WLAN_EID_TIMEOUT_INTERVAL = 56,
1741 WLAN_EID_RIC_DATA = 57,
1742 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1743 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1744 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1745 WLAN_EID_HT_OPERATION = 61,
1746 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1747 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1748 WLAN_EID_ANTENNA_INFO = 64,
1750 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1751 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1752 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1753 WLAN_EID_TIME_ADVERTISEMENT = 69,
1754 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1755 WLAN_EID_MULTIPLE_BSSID = 71,
1756 WLAN_EID_BSS_COEX_2040 = 72,
1757 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1758 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1759 WLAN_EID_RIC_DESCRIPTOR = 75,
1761 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1762 WLAN_EID_EVENT_REQUEST = 78,
1763 WLAN_EID_EVENT_REPORT = 79,
1764 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1765 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1766 WLAN_EID_LOCATION_PARAMS = 82,
1767 WLAN_EID_NON_TX_BSSID_CAP = 83,
1768 WLAN_EID_SSID_LIST = 84,
1769 WLAN_EID_MULTI_BSSID_IDX = 85,
1770 WLAN_EID_FMS_DESCRIPTOR = 86,
1771 WLAN_EID_FMS_REQUEST = 87,
1772 WLAN_EID_FMS_RESPONSE = 88,
1773 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1774 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1775 WLAN_EID_TSF_REQUEST = 91,
1776 WLAN_EID_TSF_RESPOSNE = 92,
1777 WLAN_EID_WNM_SLEEP_MODE = 93,
1778 WLAN_EID_TIM_BCAST_REQ = 94,
1779 WLAN_EID_TIM_BCAST_RESP = 95,
1780 WLAN_EID_COLL_IF_REPORT = 96,
1781 WLAN_EID_CHANNEL_USAGE = 97,
1782 WLAN_EID_TIME_ZONE = 98,
1783 WLAN_EID_DMS_REQUEST = 99,
1784 WLAN_EID_DMS_RESPONSE = 100,
1785 WLAN_EID_LINK_ID = 101,
1786 WLAN_EID_WAKEUP_SCHEDUL = 102,
1788 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1789 WLAN_EID_PTI_CONTROL = 105,
1790 WLAN_EID_PU_BUFFER_STATUS = 106,
1791 WLAN_EID_INTERWORKING = 107,
1792 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1793 WLAN_EID_EXPEDITED_BW_REQ = 109,
1794 WLAN_EID_QOS_MAP_SET = 110,
1795 WLAN_EID_ROAMING_CONSORTIUM = 111,
1796 WLAN_EID_EMERGENCY_ALERT = 112,
1797 WLAN_EID_MESH_CONFIG = 113,
1798 WLAN_EID_MESH_ID = 114,
1799 WLAN_EID_LINK_METRIC_REPORT = 115,
1800 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1801 WLAN_EID_PEER_MGMT = 117,
1802 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1803 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1804 WLAN_EID_BEACON_TIMING = 120,
1805 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1806 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1807 WLAN_EID_MCCAOP_ADVERT = 123,
1808 WLAN_EID_MCCAOP_TEARDOWN = 124,
1809 WLAN_EID_GANN = 125,
1810 WLAN_EID_RANN = 126,
1811 WLAN_EID_EXT_CAPABILITY = 127,
1812 /* 128, 129 reserved for Agere */
1813 WLAN_EID_PREQ = 130,
1814 WLAN_EID_PREP = 131,
1815 WLAN_EID_PERR = 132,
1816 /* 133-136 reserved for Cisco */
1818 WLAN_EID_PXUC = 138,
1819 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1821 WLAN_EID_DESTINATION_URI = 141,
1822 WLAN_EID_UAPSD_COEX = 142,
1823 WLAN_EID_WAKEUP_SCHEDULE = 143,
1824 WLAN_EID_EXT_SCHEDULE = 144,
1825 WLAN_EID_STA_AVAILABILITY = 145,
1826 WLAN_EID_DMG_TSPEC = 146,
1827 WLAN_EID_DMG_AT = 147,
1828 WLAN_EID_DMG_CAP = 148,
1829 /* 149-150 reserved for Cisco */
1830 WLAN_EID_DMG_OPERATION = 151,
1831 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1832 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1833 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1834 /* 155-156 reserved for Cisco */
1835 WLAN_EID_AWAKE_WINDOW = 157,
1836 WLAN_EID_MULTI_BAND = 158,
1837 WLAN_EID_ADDBA_EXT = 159,
1838 WLAN_EID_NEXT_PCP_LIST = 160,
1839 WLAN_EID_PCP_HANDOVER = 161,
1840 WLAN_EID_DMG_LINK_MARGIN = 162,
1841 WLAN_EID_SWITCHING_STREAM = 163,
1842 WLAN_EID_SESSION_TRANSITION = 164,
1843 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1844 WLAN_EID_CLUSTER_REPORT = 166,
1845 WLAN_EID_RELAY_CAP = 167,
1846 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1847 WLAN_EID_BEAM_LINK_MAINT = 169,
1848 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1849 WLAN_EID_U_PID = 171,
1850 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1851 /* 173 reserved for Symbol */
1852 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1853 WLAN_EID_QUIET_PERIOD_REQ = 175,
1854 /* 176 reserved for Symbol */
1855 WLAN_EID_QUIET_PERIOD_RESP = 177,
1856 /* 178-179 reserved for Symbol */
1857 /* 180 reserved for ISO/IEC 20011 */
1858 WLAN_EID_EPAC_POLICY = 182,
1859 WLAN_EID_CLISTER_TIME_OFF = 183,
1860 WLAN_EID_INTER_AC_PRIO = 184,
1861 WLAN_EID_SCS_DESCRIPTOR = 185,
1862 WLAN_EID_QLOAD_REPORT = 186,
1863 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1864 WLAN_EID_HL_STREAM_ID = 188,
1865 WLAN_EID_GCR_GROUP_ADDR = 189,
1866 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1867 WLAN_EID_VHT_CAPABILITY = 191,
1868 WLAN_EID_VHT_OPERATION = 192,
1869 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1870 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1871 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1872 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1874 WLAN_EID_QUIET_CHANNEL = 198,
1875 WLAN_EID_OPMODE_NOTIF = 199,
1877 WLAN_EID_VENDOR_SPECIFIC = 221,
1878 WLAN_EID_QOS_PARAMETER = 222,
1881 /* Action category code */
1882 enum ieee80211_category {
1883 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1884 WLAN_CATEGORY_QOS = 1,
1885 WLAN_CATEGORY_DLS = 2,
1886 WLAN_CATEGORY_BACK = 3,
1887 WLAN_CATEGORY_PUBLIC = 4,
1888 WLAN_CATEGORY_HT = 7,
1889 WLAN_CATEGORY_SA_QUERY = 8,
1890 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1891 WLAN_CATEGORY_TDLS = 12,
1892 WLAN_CATEGORY_MESH_ACTION = 13,
1893 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1894 WLAN_CATEGORY_SELF_PROTECTED = 15,
1895 WLAN_CATEGORY_DMG = 16,
1896 WLAN_CATEGORY_WMM = 17,
1897 WLAN_CATEGORY_FST = 18,
1898 WLAN_CATEGORY_UNPROT_DMG = 20,
1899 WLAN_CATEGORY_VHT = 21,
1900 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1901 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1904 /* SPECTRUM_MGMT action code */
1905 enum ieee80211_spectrum_mgmt_actioncode {
1906 WLAN_ACTION_SPCT_MSR_REQ = 0,
1907 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1908 WLAN_ACTION_SPCT_TPC_REQ = 2,
1909 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1910 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1913 /* HT action codes */
1914 enum ieee80211_ht_actioncode {
1915 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1916 WLAN_HT_ACTION_SMPS = 1,
1917 WLAN_HT_ACTION_PSMP = 2,
1918 WLAN_HT_ACTION_PCO_PHASE = 3,
1919 WLAN_HT_ACTION_CSI = 4,
1920 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1921 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1922 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1925 /* VHT action codes */
1926 enum ieee80211_vht_actioncode {
1927 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1928 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1929 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1932 /* Self Protected Action codes */
1933 enum ieee80211_self_protected_actioncode {
1934 WLAN_SP_RESERVED = 0,
1935 WLAN_SP_MESH_PEERING_OPEN = 1,
1936 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1937 WLAN_SP_MESH_PEERING_CLOSE = 3,
1938 WLAN_SP_MGK_INFORM = 4,
1939 WLAN_SP_MGK_ACK = 5,
1942 /* Mesh action codes */
1943 enum ieee80211_mesh_actioncode {
1944 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1945 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1946 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1947 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1948 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1949 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1950 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1951 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1952 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1953 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1954 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1957 /* Security key length */
1958 enum ieee80211_key_len {
1959 WLAN_KEY_LEN_WEP40 = 5,
1960 WLAN_KEY_LEN_WEP104 = 13,
1961 WLAN_KEY_LEN_CCMP = 16,
1962 WLAN_KEY_LEN_TKIP = 32,
1963 WLAN_KEY_LEN_AES_CMAC = 16,
1964 WLAN_KEY_LEN_SMS4 = 32,
1967 #define IEEE80211_WEP_IV_LEN 4
1968 #define IEEE80211_WEP_ICV_LEN 4
1969 #define IEEE80211_CCMP_HDR_LEN 8
1970 #define IEEE80211_CCMP_MIC_LEN 8
1971 #define IEEE80211_CCMP_PN_LEN 6
1972 #define IEEE80211_TKIP_IV_LEN 8
1973 #define IEEE80211_TKIP_ICV_LEN 4
1974 #define IEEE80211_CMAC_PN_LEN 6
1976 /* Public action codes */
1977 enum ieee80211_pub_actioncode {
1978 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1979 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1982 /* TDLS action codes */
1983 enum ieee80211_tdls_actioncode {
1984 WLAN_TDLS_SETUP_REQUEST = 0,
1985 WLAN_TDLS_SETUP_RESPONSE = 1,
1986 WLAN_TDLS_SETUP_CONFIRM = 2,
1987 WLAN_TDLS_TEARDOWN = 3,
1988 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1989 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1990 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1991 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1992 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1993 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1994 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1997 /* Interworking capabilities are set in 7th bit of 4th byte of the
1998 * @WLAN_EID_EXT_CAPABILITY information element
2000 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2003 * TDLS capabililites to be enabled in the 5th byte of the
2004 * @WLAN_EID_EXT_CAPABILITY information element
2006 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2007 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2009 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2010 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
2012 /* TDLS specific payload type in the LLC/SNAP header */
2013 #define WLAN_TDLS_SNAP_RFTYPE 0x2
2016 * enum - mesh synchronization method identifier
2018 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2019 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2020 * that will be specified in a vendor specific information element
2023 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2024 IEEE80211_SYNC_METHOD_VENDOR = 255,
2028 * enum - mesh path selection protocol identifier
2030 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2031 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2032 * be specified in a vendor specific information element
2035 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2036 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2040 * enum - mesh path selection metric identifier
2042 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2043 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2044 * specified in a vendor specific information element
2047 IEEE80211_PATH_METRIC_AIRTIME = 1,
2048 IEEE80211_PATH_METRIC_VENDOR = 255,
2052 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2054 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2056 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2057 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2059 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2060 * the proactive PREQ with proactive PREP subfield set to 0
2061 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2062 * supports the proactive PREQ with proactive PREP subfield set to 1
2063 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2064 * the proactive RANN
2066 enum ieee80211_root_mode_identifier {
2067 IEEE80211_ROOTMODE_NO_ROOT = 0,
2068 IEEE80211_ROOTMODE_ROOT = 1,
2069 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2070 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2071 IEEE80211_PROACTIVE_RANN = 4,
2075 * IEEE 802.11-2007 7.3.2.9 Country information element
2077 * Minimum length is 8 octets, ie len must be evenly
2081 /* Although the spec says 8 I'm seeing 6 in practice */
2082 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2084 /* The Country String field of the element shall be 3 octets in length */
2085 #define IEEE80211_COUNTRY_STRING_LEN 3
2088 * For regulatory extension stuff see IEEE 802.11-2007
2089 * Annex I (page 1141) and Annex J (page 1147). Also
2092 * When dot11RegulatoryClassesRequired is true and the
2093 * first_channel/reg_extension_id is >= 201 then the IE
2094 * compromises of the 'ext' struct represented below:
2096 * - Regulatory extension ID - when generating IE this just needs
2097 * to be monotonically increasing for each triplet passed in
2099 * - Regulatory class - index into set of rules
2100 * - Coverage class - index into air propagation time (Table 7-27),
2101 * in microseconds, you can compute the air propagation time from
2102 * the index by multiplying by 3, so index 10 yields a propagation
2103 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2104 * yet. A value of 0 inicates air propagation of <= 1 us.
2106 * See also Table I.2 for Emission limit sets and table
2107 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2108 * a reg_class to an emission limit set and behavior limit set.
2110 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2113 * Channels numbers in the IE must be monotonically increasing
2114 * if dot11RegulatoryClassesRequired is not true.
2116 * If dot11RegulatoryClassesRequired is true consecutive
2117 * subband triplets following a regulatory triplet shall
2118 * have monotonically increasing first_channel number fields.
2120 * Channel numbers shall not overlap.
2122 * Note that max_power is signed.
2124 struct ieee80211_country_ie_triplet {
2132 u8 reg_extension_id;
2139 enum ieee80211_timeout_interval_type {
2140 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2141 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2142 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2146 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2147 * @type: type, see &enum ieee80211_timeout_interval_type
2148 * @value: timeout interval value
2150 struct ieee80211_timeout_interval_ie {
2155 /* BACK action code */
2156 enum ieee80211_back_actioncode {
2157 WLAN_ACTION_ADDBA_REQ = 0,
2158 WLAN_ACTION_ADDBA_RESP = 1,
2159 WLAN_ACTION_DELBA = 2,
2162 /* BACK (block-ack) parties */
2163 enum ieee80211_back_parties {
2164 WLAN_BACK_RECIPIENT = 0,
2165 WLAN_BACK_INITIATOR = 1,
2168 /* SA Query action */
2169 enum ieee80211_sa_query_action {
2170 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2171 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2175 /* cipher suite selectors */
2176 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2177 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2178 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2179 /* reserved: 0x000FAC03 */
2180 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2181 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2182 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2183 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2185 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2187 /* AKM suite selectors */
2188 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2189 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2190 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2191 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2193 #define WLAN_MAX_KEY_LEN 32
2195 #define WLAN_PMKID_LEN 16
2197 #define WLAN_OUI_WFA 0x506f9a
2198 #define WLAN_OUI_TYPE_WFA_P2P 9
2199 #define WLAN_OUI_MICROSOFT 0x0050f2
2200 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2201 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2202 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2205 * WMM/802.11e Tspec Element
2207 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2208 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2210 enum ieee80211_tspec_status_code {
2211 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2212 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2215 struct ieee80211_tspec_ie {
2224 __le16 nominal_msdu;
2226 __le32 min_service_int;
2227 __le32 max_service_int;
2228 __le32 inactivity_int;
2229 __le32 suspension_int;
2230 __le32 service_start_time;
2231 __le32 min_data_rate;
2232 __le32 mean_data_rate;
2233 __le32 peak_data_rate;
2234 __le32 max_burst_size;
2236 __le32 min_phy_rate;
2242 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2245 * The qos ctrl bytes come after the frame_control, duration, seq_num
2246 * and 3 or 4 addresses of length ETH_ALEN.
2247 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2248 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2250 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2252 if (ieee80211_has_a4(hdr->frame_control))
2253 return (u8 *)hdr + 30;
2255 return (u8 *)hdr + 24;
2259 * ieee80211_get_SA - get pointer to SA
2262 * Given an 802.11 frame, this function returns the offset
2263 * to the source address (SA). It does not verify that the
2264 * header is long enough to contain the address, and the
2265 * header must be long enough to contain the frame control
2268 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2270 if (ieee80211_has_a4(hdr->frame_control))
2272 if (ieee80211_has_fromds(hdr->frame_control))
2278 * ieee80211_get_DA - get pointer to DA
2281 * Given an 802.11 frame, this function returns the offset
2282 * to the destination address (DA). It does not verify that
2283 * the header is long enough to contain the address, and the
2284 * header must be long enough to contain the frame control
2287 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2289 if (ieee80211_has_tods(hdr->frame_control))
2296 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2297 * @hdr: the frame (buffer must include at least the first octet of payload)
2299 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2301 if (ieee80211_is_disassoc(hdr->frame_control) ||
2302 ieee80211_is_deauth(hdr->frame_control))
2305 if (ieee80211_is_action(hdr->frame_control)) {
2309 * Action frames, excluding Public Action frames, are Robust
2310 * Management Frames. However, if we are looking at a Protected
2311 * frame, skip the check since the data may be encrypted and
2312 * the frame has already been found to be a Robust Management
2313 * Frame (by the other end).
2315 if (ieee80211_has_protected(hdr->frame_control))
2317 category = ((u8 *) hdr) + 24;
2318 return *category != WLAN_CATEGORY_PUBLIC &&
2319 *category != WLAN_CATEGORY_HT &&
2320 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2321 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2328 * ieee80211_is_public_action - check if frame is a public action frame
2330 * @len: length of the frame
2332 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2335 struct ieee80211_mgmt *mgmt = (void *)hdr;
2337 if (len < IEEE80211_MIN_ACTION_SIZE)
2339 if (!ieee80211_is_action(hdr->frame_control))
2341 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2345 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2348 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2354 * ieee80211_check_tim - check if AID bit is set in TIM
2356 * @tim_len: length of the TIM IE
2357 * @aid: the AID to look for
2359 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2360 u8 tim_len, u16 aid)
2363 u8 indexn0, indexn1, indexn2;
2365 if (unlikely(!tim || tim_len < sizeof(*tim)))
2370 mask = 1 << (aid & 7);
2372 indexn1 = tim->bitmap_ctrl & 0xfe;
2373 indexn2 = tim_len + indexn1 - 4;
2375 if (indexn0 < indexn1 || indexn0 > indexn2)
2380 return !!(tim->virtual_map[indexn0] & mask);
2383 /* convert time units */
2384 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2385 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2387 #endif /* __LINUX_IEEE80211_H */