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a9de8ce0 JB |
1 | /* |
2 | * IEEE 802.11 defines | |
3 | * | |
4 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | |
5 | * <jkmaline@cc.hut.fi> | |
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> | |
9 | * | |
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. | |
13 | */ | |
14 | ||
9387b7ca JL |
15 | #ifndef LINUX_IEEE80211_H |
16 | #define LINUX_IEEE80211_H | |
a9de8ce0 JB |
17 | |
18 | #include <linux/types.h> | |
f97df02e | 19 | #include <asm/byteorder.h> |
a9de8ce0 | 20 | |
3f46b29c JB |
21 | /* |
22 | * DS bit usage | |
23 | * | |
24 | * TA = transmitter address | |
25 | * RA = receiver address | |
26 | * DA = destination address | |
27 | * SA = source address | |
28 | * | |
29 | * ToDS FromDS A1(RA) A2(TA) A3 A4 Use | |
30 | * ----------------------------------------------------------------- | |
31 | * 0 0 DA SA BSSID - IBSS/DLS | |
32 | * 0 1 DA BSSID SA - AP -> STA | |
33 | * 1 0 BSSID SA DA - AP <- STA | |
34 | * 1 1 RA TA DA SA unspecified (WDS) | |
35 | */ | |
36 | ||
a9de8ce0 JB |
37 | #define FCS_LEN 4 |
38 | ||
39 | #define IEEE80211_FCTL_VERS 0x0003 | |
40 | #define IEEE80211_FCTL_FTYPE 0x000c | |
41 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
42 | #define IEEE80211_FCTL_TODS 0x0100 | |
43 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
44 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
45 | #define IEEE80211_FCTL_RETRY 0x0800 | |
46 | #define IEEE80211_FCTL_PM 0x1000 | |
47 | #define IEEE80211_FCTL_MOREDATA 0x2000 | |
48 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
49 | #define IEEE80211_FCTL_ORDER 0x8000 | |
50 | ||
51 | #define IEEE80211_SCTL_FRAG 0x000F | |
52 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
53 | ||
54 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
55 | #define IEEE80211_FTYPE_CTL 0x0004 | |
56 | #define IEEE80211_FTYPE_DATA 0x0008 | |
57 | ||
58 | /* management */ | |
59 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
60 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
61 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
62 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
63 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
64 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
65 | #define IEEE80211_STYPE_BEACON 0x0080 | |
66 | #define IEEE80211_STYPE_ATIM 0x0090 | |
67 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
68 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
69 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
70 | #define IEEE80211_STYPE_ACTION 0x00D0 | |
71 | ||
72 | /* control */ | |
6b4e3241 RR |
73 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
74 | #define IEEE80211_STYPE_BACK 0x0090 | |
a9de8ce0 JB |
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 | |
81 | ||
82 | /* data */ | |
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 | |
99 | ||
100 | ||
101 | /* miscellaneous IEEE 802.11 constants */ | |
c237899d MW |
102 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
103 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 | |
a9de8ce0 JB |
104 | #define IEEE80211_MAX_AID 2007 |
105 | #define IEEE80211_MAX_TIM_LEN 251 | |
a9de8ce0 JB |
106 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
107 | 6.2.1.1.2. | |
108 | ||
c237899d MW |
109 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
110 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ | |
111 | #define IEEE80211_MAX_DATA_LEN 2304 | |
112 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ | |
113 | #define IEEE80211_MAX_FRAME_LEN 2352 | |
a9de8ce0 JB |
114 | |
115 | #define IEEE80211_MAX_SSID_LEN 32 | |
1239cd58 | 116 | |
37c57989 | 117 | #define IEEE80211_MAX_MESH_ID_LEN 32 |
1239cd58 | 118 | |
fd7c8a40 | 119 | #define IEEE80211_QOS_CTL_LEN 2 |
238f74a2 HH |
120 | #define IEEE80211_QOS_CTL_TID_MASK 0x000F |
121 | #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 | |
a9de8ce0 | 122 | |
ab13315a KV |
123 | /* U-APSD queue for WMM IEs sent by AP */ |
124 | #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) | |
44316cb1 | 125 | #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f |
ab13315a KV |
126 | |
127 | /* U-APSD queues for WMM IEs sent by STA */ | |
128 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) | |
129 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) | |
130 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) | |
131 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) | |
132 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f | |
133 | ||
134 | /* U-APSD max SP length for WMM IEs sent by STA */ | |
135 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 | |
136 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 | |
137 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 | |
138 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 | |
139 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 | |
140 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 | |
141 | ||
d0dd2de0 AT |
142 | #define IEEE80211_HT_CTL_LEN 4 |
143 | ||
a9de8ce0 JB |
144 | struct ieee80211_hdr { |
145 | __le16 frame_control; | |
146 | __le16 duration_id; | |
147 | u8 addr1[6]; | |
148 | u8 addr2[6]; | |
149 | u8 addr3[6]; | |
150 | __le16 seq_ctrl; | |
151 | u8 addr4[6]; | |
152 | } __attribute__ ((packed)); | |
153 | ||
7044cc56 KV |
154 | struct ieee80211_hdr_3addr { |
155 | __le16 frame_control; | |
156 | __le16 duration_id; | |
157 | u8 addr1[6]; | |
158 | u8 addr2[6]; | |
159 | u8 addr3[6]; | |
160 | __le16 seq_ctrl; | |
161 | } __attribute__ ((packed)); | |
162 | ||
558a6669 KV |
163 | struct ieee80211_qos_hdr { |
164 | __le16 frame_control; | |
165 | __le16 duration_id; | |
166 | u8 addr1[6]; | |
167 | u8 addr2[6]; | |
168 | u8 addr3[6]; | |
169 | __le16 seq_ctrl; | |
170 | __le16 qos_ctrl; | |
171 | } __attribute__ ((packed)); | |
172 | ||
fd7c8a40 HH |
173 | /** |
174 | * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set | |
175 | * @fc: frame control bytes in little-endian byteorder | |
176 | */ | |
177 | static inline int ieee80211_has_tods(__le16 fc) | |
178 | { | |
179 | return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; | |
180 | } | |
181 | ||
182 | /** | |
183 | * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set | |
184 | * @fc: frame control bytes in little-endian byteorder | |
185 | */ | |
186 | static inline int ieee80211_has_fromds(__le16 fc) | |
187 | { | |
188 | return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; | |
189 | } | |
190 | ||
191 | /** | |
192 | * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set | |
193 | * @fc: frame control bytes in little-endian byteorder | |
194 | */ | |
195 | static inline int ieee80211_has_a4(__le16 fc) | |
196 | { | |
197 | __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); | |
198 | return (fc & tmp) == tmp; | |
199 | } | |
200 | ||
201 | /** | |
202 | * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set | |
203 | * @fc: frame control bytes in little-endian byteorder | |
204 | */ | |
205 | static inline int ieee80211_has_morefrags(__le16 fc) | |
206 | { | |
207 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; | |
208 | } | |
209 | ||
210 | /** | |
211 | * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set | |
212 | * @fc: frame control bytes in little-endian byteorder | |
213 | */ | |
214 | static inline int ieee80211_has_retry(__le16 fc) | |
215 | { | |
216 | return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; | |
217 | } | |
218 | ||
219 | /** | |
220 | * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set | |
221 | * @fc: frame control bytes in little-endian byteorder | |
222 | */ | |
223 | static inline int ieee80211_has_pm(__le16 fc) | |
224 | { | |
225 | return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; | |
226 | } | |
227 | ||
228 | /** | |
229 | * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set | |
230 | * @fc: frame control bytes in little-endian byteorder | |
231 | */ | |
232 | static inline int ieee80211_has_moredata(__le16 fc) | |
233 | { | |
234 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; | |
235 | } | |
236 | ||
237 | /** | |
238 | * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set | |
239 | * @fc: frame control bytes in little-endian byteorder | |
240 | */ | |
241 | static inline int ieee80211_has_protected(__le16 fc) | |
242 | { | |
243 | return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; | |
244 | } | |
245 | ||
246 | /** | |
247 | * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set | |
248 | * @fc: frame control bytes in little-endian byteorder | |
249 | */ | |
250 | static inline int ieee80211_has_order(__le16 fc) | |
251 | { | |
252 | return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; | |
253 | } | |
254 | ||
255 | /** | |
256 | * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT | |
257 | * @fc: frame control bytes in little-endian byteorder | |
258 | */ | |
259 | static inline int ieee80211_is_mgmt(__le16 fc) | |
260 | { | |
261 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
262 | cpu_to_le16(IEEE80211_FTYPE_MGMT); | |
263 | } | |
264 | ||
265 | /** | |
266 | * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL | |
267 | * @fc: frame control bytes in little-endian byteorder | |
268 | */ | |
269 | static inline int ieee80211_is_ctl(__le16 fc) | |
270 | { | |
271 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
272 | cpu_to_le16(IEEE80211_FTYPE_CTL); | |
273 | } | |
274 | ||
275 | /** | |
276 | * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA | |
277 | * @fc: frame control bytes in little-endian byteorder | |
278 | */ | |
279 | static inline int ieee80211_is_data(__le16 fc) | |
280 | { | |
281 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
282 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
283 | } | |
284 | ||
285 | /** | |
286 | * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set | |
287 | * @fc: frame control bytes in little-endian byteorder | |
288 | */ | |
289 | static inline int ieee80211_is_data_qos(__le16 fc) | |
290 | { | |
291 | /* | |
292 | * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need | |
293 | * to check the one bit | |
294 | */ | |
295 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == | |
296 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); | |
297 | } | |
298 | ||
299 | /** | |
300 | * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data | |
301 | * @fc: frame control bytes in little-endian byteorder | |
302 | */ | |
303 | static inline int ieee80211_is_data_present(__le16 fc) | |
304 | { | |
305 | /* | |
306 | * mask with 0x40 and test that that bit is clear to only return true | |
307 | * for the data-containing substypes. | |
308 | */ | |
309 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == | |
310 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
311 | } | |
312 | ||
313 | /** | |
314 | * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ | |
315 | * @fc: frame control bytes in little-endian byteorder | |
316 | */ | |
317 | static inline int ieee80211_is_assoc_req(__le16 fc) | |
318 | { | |
319 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
320 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); | |
321 | } | |
322 | ||
323 | /** | |
324 | * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP | |
325 | * @fc: frame control bytes in little-endian byteorder | |
326 | */ | |
327 | static inline int ieee80211_is_assoc_resp(__le16 fc) | |
328 | { | |
329 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
330 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); | |
331 | } | |
332 | ||
333 | /** | |
334 | * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ | |
335 | * @fc: frame control bytes in little-endian byteorder | |
336 | */ | |
337 | static inline int ieee80211_is_reassoc_req(__le16 fc) | |
338 | { | |
339 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
340 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); | |
341 | } | |
342 | ||
343 | /** | |
344 | * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP | |
345 | * @fc: frame control bytes in little-endian byteorder | |
346 | */ | |
347 | static inline int ieee80211_is_reassoc_resp(__le16 fc) | |
348 | { | |
349 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
350 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); | |
351 | } | |
352 | ||
353 | /** | |
354 | * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ | |
355 | * @fc: frame control bytes in little-endian byteorder | |
356 | */ | |
357 | static inline int ieee80211_is_probe_req(__le16 fc) | |
358 | { | |
359 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
360 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); | |
361 | } | |
362 | ||
363 | /** | |
364 | * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP | |
365 | * @fc: frame control bytes in little-endian byteorder | |
366 | */ | |
367 | static inline int ieee80211_is_probe_resp(__le16 fc) | |
368 | { | |
369 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
370 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); | |
371 | } | |
372 | ||
373 | /** | |
374 | * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON | |
375 | * @fc: frame control bytes in little-endian byteorder | |
376 | */ | |
377 | static inline int ieee80211_is_beacon(__le16 fc) | |
378 | { | |
379 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
380 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); | |
381 | } | |
382 | ||
383 | /** | |
384 | * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM | |
385 | * @fc: frame control bytes in little-endian byteorder | |
386 | */ | |
387 | static inline int ieee80211_is_atim(__le16 fc) | |
388 | { | |
389 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
390 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); | |
391 | } | |
392 | ||
393 | /** | |
394 | * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC | |
395 | * @fc: frame control bytes in little-endian byteorder | |
396 | */ | |
397 | static inline int ieee80211_is_disassoc(__le16 fc) | |
398 | { | |
399 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
400 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); | |
401 | } | |
402 | ||
403 | /** | |
404 | * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH | |
405 | * @fc: frame control bytes in little-endian byteorder | |
406 | */ | |
407 | static inline int ieee80211_is_auth(__le16 fc) | |
408 | { | |
409 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
410 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); | |
411 | } | |
412 | ||
413 | /** | |
414 | * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH | |
415 | * @fc: frame control bytes in little-endian byteorder | |
416 | */ | |
417 | static inline int ieee80211_is_deauth(__le16 fc) | |
418 | { | |
419 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
420 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); | |
421 | } | |
422 | ||
423 | /** | |
424 | * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION | |
425 | * @fc: frame control bytes in little-endian byteorder | |
426 | */ | |
427 | static inline int ieee80211_is_action(__le16 fc) | |
428 | { | |
429 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
430 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); | |
431 | } | |
432 | ||
433 | /** | |
434 | * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ | |
435 | * @fc: frame control bytes in little-endian byteorder | |
436 | */ | |
437 | static inline int ieee80211_is_back_req(__le16 fc) | |
438 | { | |
439 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
440 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); | |
441 | } | |
442 | ||
443 | /** | |
444 | * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK | |
445 | * @fc: frame control bytes in little-endian byteorder | |
446 | */ | |
447 | static inline int ieee80211_is_back(__le16 fc) | |
448 | { | |
449 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
450 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); | |
451 | } | |
452 | ||
453 | /** | |
454 | * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL | |
455 | * @fc: frame control bytes in little-endian byteorder | |
456 | */ | |
457 | static inline int ieee80211_is_pspoll(__le16 fc) | |
458 | { | |
459 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
460 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); | |
461 | } | |
462 | ||
463 | /** | |
464 | * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS | |
465 | * @fc: frame control bytes in little-endian byteorder | |
466 | */ | |
467 | static inline int ieee80211_is_rts(__le16 fc) | |
468 | { | |
469 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
470 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); | |
471 | } | |
472 | ||
473 | /** | |
474 | * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS | |
475 | * @fc: frame control bytes in little-endian byteorder | |
476 | */ | |
477 | static inline int ieee80211_is_cts(__le16 fc) | |
478 | { | |
479 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
480 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); | |
481 | } | |
482 | ||
483 | /** | |
484 | * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK | |
485 | * @fc: frame control bytes in little-endian byteorder | |
486 | */ | |
487 | static inline int ieee80211_is_ack(__le16 fc) | |
488 | { | |
489 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
490 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); | |
491 | } | |
492 | ||
493 | /** | |
494 | * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND | |
495 | * @fc: frame control bytes in little-endian byteorder | |
496 | */ | |
497 | static inline int ieee80211_is_cfend(__le16 fc) | |
498 | { | |
499 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
500 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); | |
501 | } | |
502 | ||
503 | /** | |
504 | * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK | |
505 | * @fc: frame control bytes in little-endian byteorder | |
506 | */ | |
507 | static inline int ieee80211_is_cfendack(__le16 fc) | |
508 | { | |
509 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
510 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); | |
511 | } | |
512 | ||
513 | /** | |
22403def | 514 | * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame |
fd7c8a40 HH |
515 | * @fc: frame control bytes in little-endian byteorder |
516 | */ | |
517 | static inline int ieee80211_is_nullfunc(__le16 fc) | |
518 | { | |
519 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
520 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); | |
521 | } | |
a9de8ce0 | 522 | |
22403def JB |
523 | /** |
524 | * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame | |
525 | * @fc: frame control bytes in little-endian byteorder | |
526 | */ | |
527 | static inline int ieee80211_is_qos_nullfunc(__le16 fc) | |
528 | { | |
529 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
530 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); | |
531 | } | |
532 | ||
37c57989 LCC |
533 | struct ieee80211s_hdr { |
534 | u8 flags; | |
535 | u8 ttl; | |
51ceddad | 536 | __le32 seqnum; |
37c57989 LCC |
537 | u8 eaddr1[6]; |
538 | u8 eaddr2[6]; | |
37c57989 LCC |
539 | } __attribute__ ((packed)); |
540 | ||
79617dee Y |
541 | /* Mesh flags */ |
542 | #define MESH_FLAGS_AE_A4 0x1 | |
543 | #define MESH_FLAGS_AE_A5_A6 0x2 | |
e31a16d6 | 544 | #define MESH_FLAGS_AE 0x3 |
79617dee Y |
545 | #define MESH_FLAGS_PS_DEEP 0x4 |
546 | ||
f2df3859 AK |
547 | /** |
548 | * struct ieee80211_quiet_ie | |
549 | * | |
550 | * This structure refers to "Quiet information element" | |
551 | */ | |
552 | struct ieee80211_quiet_ie { | |
553 | u8 count; | |
554 | u8 period; | |
555 | __le16 duration; | |
556 | __le16 offset; | |
557 | } __attribute__ ((packed)); | |
558 | ||
559 | /** | |
560 | * struct ieee80211_msrment_ie | |
561 | * | |
562 | * This structure refers to "Measurement Request/Report information element" | |
563 | */ | |
564 | struct ieee80211_msrment_ie { | |
565 | u8 token; | |
566 | u8 mode; | |
567 | u8 type; | |
568 | u8 request[0]; | |
569 | } __attribute__ ((packed)); | |
570 | ||
571 | /** | |
572 | * struct ieee80211_channel_sw_ie | |
573 | * | |
574 | * This structure refers to "Channel Switch Announcement information element" | |
575 | */ | |
576 | struct ieee80211_channel_sw_ie { | |
577 | u8 mode; | |
578 | u8 new_ch_num; | |
579 | u8 count; | |
580 | } __attribute__ ((packed)); | |
37c57989 | 581 | |
98f7dfd8 EG |
582 | /** |
583 | * struct ieee80211_tim | |
584 | * | |
585 | * This structure refers to "Traffic Indication Map information element" | |
586 | */ | |
587 | struct ieee80211_tim_ie { | |
588 | u8 dtim_count; | |
589 | u8 dtim_period; | |
590 | u8 bitmap_ctrl; | |
591 | /* variable size: 1 - 251 bytes */ | |
e7ec86f5 | 592 | u8 virtual_map[1]; |
98f7dfd8 EG |
593 | } __attribute__ ((packed)); |
594 | ||
136cfa28 RP |
595 | /** |
596 | * struct ieee80211_meshconf_ie | |
597 | * | |
598 | * This structure refers to "Mesh Configuration information element" | |
599 | */ | |
600 | struct ieee80211_meshconf_ie { | |
601 | u8 meshconf_psel; | |
602 | u8 meshconf_pmetric; | |
603 | u8 meshconf_congest; | |
604 | u8 meshconf_synch; | |
605 | u8 meshconf_auth; | |
606 | u8 meshconf_form; | |
607 | u8 meshconf_cap; | |
608 | } __attribute__ ((packed)); | |
609 | ||
90a5e169 RP |
610 | /** |
611 | * struct ieee80211_rann_ie | |
612 | * | |
613 | * This structure refers to "Root Announcement information element" | |
614 | */ | |
615 | struct ieee80211_rann_ie { | |
616 | u8 rann_flags; | |
617 | u8 rann_hopcount; | |
618 | u8 rann_ttl; | |
619 | u8 rann_addr[6]; | |
620 | u32 rann_seq; | |
621 | u32 rann_metric; | |
622 | } __attribute__ ((packed)); | |
623 | ||
9dfd6ba3 | 624 | #define WLAN_SA_QUERY_TR_ID_LEN 2 |
fea14732 | 625 | |
a9de8ce0 JB |
626 | struct ieee80211_mgmt { |
627 | __le16 frame_control; | |
628 | __le16 duration; | |
629 | u8 da[6]; | |
630 | u8 sa[6]; | |
631 | u8 bssid[6]; | |
632 | __le16 seq_ctrl; | |
633 | union { | |
634 | struct { | |
635 | __le16 auth_alg; | |
636 | __le16 auth_transaction; | |
637 | __le16 status_code; | |
638 | /* possibly followed by Challenge text */ | |
639 | u8 variable[0]; | |
640 | } __attribute__ ((packed)) auth; | |
641 | struct { | |
642 | __le16 reason_code; | |
643 | } __attribute__ ((packed)) deauth; | |
644 | struct { | |
645 | __le16 capab_info; | |
646 | __le16 listen_interval; | |
647 | /* followed by SSID and Supported rates */ | |
648 | u8 variable[0]; | |
649 | } __attribute__ ((packed)) assoc_req; | |
650 | struct { | |
651 | __le16 capab_info; | |
652 | __le16 status_code; | |
653 | __le16 aid; | |
654 | /* followed by Supported rates */ | |
655 | u8 variable[0]; | |
656 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; | |
657 | struct { | |
658 | __le16 capab_info; | |
659 | __le16 listen_interval; | |
660 | u8 current_ap[6]; | |
661 | /* followed by SSID and Supported rates */ | |
662 | u8 variable[0]; | |
663 | } __attribute__ ((packed)) reassoc_req; | |
664 | struct { | |
665 | __le16 reason_code; | |
666 | } __attribute__ ((packed)) disassoc; | |
667 | struct { | |
668 | __le64 timestamp; | |
669 | __le16 beacon_int; | |
670 | __le16 capab_info; | |
671 | /* followed by some of SSID, Supported rates, | |
672 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ | |
673 | u8 variable[0]; | |
674 | } __attribute__ ((packed)) beacon; | |
675 | struct { | |
676 | /* only variable items: SSID, Supported rates */ | |
677 | u8 variable[0]; | |
678 | } __attribute__ ((packed)) probe_req; | |
679 | struct { | |
680 | __le64 timestamp; | |
681 | __le16 beacon_int; | |
682 | __le16 capab_info; | |
683 | /* followed by some of SSID, Supported rates, | |
684 | * FH Params, DS Params, CF Params, IBSS Params */ | |
685 | u8 variable[0]; | |
686 | } __attribute__ ((packed)) probe_resp; | |
687 | struct { | |
688 | u8 category; | |
689 | union { | |
690 | struct { | |
691 | u8 action_code; | |
692 | u8 dialog_token; | |
693 | u8 status_code; | |
694 | u8 variable[0]; | |
695 | } __attribute__ ((packed)) wme_action; | |
696 | struct{ | |
697 | u8 action_code; | |
698 | u8 element_id; | |
699 | u8 length; | |
f2df3859 | 700 | struct ieee80211_channel_sw_ie sw_elem; |
a9de8ce0 | 701 | } __attribute__((packed)) chan_switch; |
f2df3859 AK |
702 | struct{ |
703 | u8 action_code; | |
704 | u8 dialog_token; | |
705 | u8 element_id; | |
706 | u8 length; | |
707 | struct ieee80211_msrment_ie msr_elem; | |
708 | } __attribute__((packed)) measurement; | |
6b4e3241 RR |
709 | struct{ |
710 | u8 action_code; | |
711 | u8 dialog_token; | |
712 | __le16 capab; | |
713 | __le16 timeout; | |
714 | __le16 start_seq_num; | |
715 | } __attribute__((packed)) addba_req; | |
716 | struct{ | |
717 | u8 action_code; | |
718 | u8 dialog_token; | |
719 | __le16 status; | |
720 | __le16 capab; | |
721 | __le16 timeout; | |
722 | } __attribute__((packed)) addba_resp; | |
723 | struct{ | |
724 | u8 action_code; | |
725 | __le16 params; | |
726 | __le16 reason_code; | |
727 | } __attribute__((packed)) delba; | |
37c57989 LCC |
728 | struct{ |
729 | u8 action_code; | |
730 | /* capab_info for open and confirm, | |
731 | * reason for close | |
732 | */ | |
733 | __le16 aux; | |
734 | /* Followed in plink_confirm by status | |
735 | * code, AID and supported rates, | |
736 | * and directly by supported rates in | |
737 | * plink_open and plink_close | |
738 | */ | |
739 | u8 variable[0]; | |
740 | } __attribute__((packed)) plink_action; | |
741 | struct{ | |
742 | u8 action_code; | |
743 | u8 variable[0]; | |
744 | } __attribute__((packed)) mesh_action; | |
fea14732 JM |
745 | struct { |
746 | u8 action; | |
747 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; | |
748 | } __attribute__ ((packed)) sa_query; | |
0f78231b JB |
749 | struct { |
750 | u8 action; | |
751 | u8 smps_control; | |
752 | } __attribute__ ((packed)) ht_smps; | |
a9de8ce0 JB |
753 | } u; |
754 | } __attribute__ ((packed)) action; | |
755 | } u; | |
756 | } __attribute__ ((packed)); | |
757 | ||
44d414db JB |
758 | /* mgmt header + 1 byte category code */ |
759 | #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) | |
760 | ||
a9de8ce0 | 761 | |
765cb46a JM |
762 | /* Management MIC information element (IEEE 802.11w) */ |
763 | struct ieee80211_mmie { | |
764 | u8 element_id; | |
765 | u8 length; | |
766 | __le16 key_id; | |
767 | u8 sequence_number[6]; | |
768 | u8 mic[8]; | |
769 | } __attribute__ ((packed)); | |
770 | ||
a9de8ce0 JB |
771 | /* Control frames */ |
772 | struct ieee80211_rts { | |
773 | __le16 frame_control; | |
774 | __le16 duration; | |
775 | u8 ra[6]; | |
776 | u8 ta[6]; | |
777 | } __attribute__ ((packed)); | |
778 | ||
779 | struct ieee80211_cts { | |
780 | __le16 frame_control; | |
781 | __le16 duration; | |
782 | u8 ra[6]; | |
783 | } __attribute__ ((packed)); | |
784 | ||
fc6971d4 JM |
785 | struct ieee80211_pspoll { |
786 | __le16 frame_control; | |
787 | __le16 aid; | |
788 | u8 bssid[6]; | |
789 | u8 ta[6]; | |
790 | } __attribute__ ((packed)); | |
791 | ||
6b4e3241 RR |
792 | /** |
793 | * struct ieee80211_bar - HT Block Ack Request | |
794 | * | |
795 | * This structure refers to "HT BlockAckReq" as | |
796 | * described in 802.11n draft section 7.2.1.7.1 | |
797 | */ | |
798 | struct ieee80211_bar { | |
799 | __le16 frame_control; | |
800 | __le16 duration; | |
801 | __u8 ra[6]; | |
802 | __u8 ta[6]; | |
a8b47ea3 RR |
803 | __le16 control; |
804 | __le16 start_seq_num; | |
6b4e3241 RR |
805 | } __attribute__((packed)); |
806 | ||
429a3805 RR |
807 | /* 802.11 BAR control masks */ |
808 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 | |
809 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 | |
810 | ||
d9fe60de JB |
811 | |
812 | #define IEEE80211_HT_MCS_MASK_LEN 10 | |
813 | ||
814 | /** | |
815 | * struct ieee80211_mcs_info - MCS information | |
816 | * @rx_mask: RX mask | |
9da3e068 LR |
817 | * @rx_highest: highest supported RX rate. If set represents |
818 | * the highest supported RX data rate in units of 1 Mbps. | |
819 | * If this field is 0 this value should not be used to | |
820 | * consider the highest RX data rate supported. | |
d9fe60de JB |
821 | * @tx_params: TX parameters |
822 | */ | |
823 | struct ieee80211_mcs_info { | |
824 | u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; | |
825 | __le16 rx_highest; | |
826 | u8 tx_params; | |
827 | u8 reserved[3]; | |
828 | } __attribute__((packed)); | |
829 | ||
830 | /* 802.11n HT capability MSC set */ | |
831 | #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff | |
832 | #define IEEE80211_HT_MCS_TX_DEFINED 0x01 | |
833 | #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 | |
834 | /* value 0 == 1 stream etc */ | |
835 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C | |
836 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 | |
837 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 | |
838 | #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 | |
839 | ||
840 | /* | |
841 | * 802.11n D5.0 20.3.5 / 20.6 says: | |
842 | * - indices 0 to 7 and 32 are single spatial stream | |
843 | * - 8 to 31 are multiple spatial streams using equal modulation | |
844 | * [8..15 for two streams, 16..23 for three and 24..31 for four] | |
845 | * - remainder are multiple spatial streams using unequal modulation | |
846 | */ | |
847 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 | |
848 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ | |
849 | (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) | |
850 | ||
6b4e3241 RR |
851 | /** |
852 | * struct ieee80211_ht_cap - HT capabilities | |
853 | * | |
d9fe60de JB |
854 | * This structure is the "HT capabilities element" as |
855 | * described in 802.11n D5.0 7.3.2.57 | |
6b4e3241 RR |
856 | */ |
857 | struct ieee80211_ht_cap { | |
858 | __le16 cap_info; | |
859 | u8 ampdu_params_info; | |
d9fe60de JB |
860 | |
861 | /* 16 bytes MCS information */ | |
862 | struct ieee80211_mcs_info mcs; | |
863 | ||
6b4e3241 RR |
864 | __le16 extended_ht_cap_info; |
865 | __le32 tx_BF_cap_info; | |
866 | u8 antenna_selection_info; | |
867 | } __attribute__ ((packed)); | |
868 | ||
d9fe60de JB |
869 | /* 802.11n HT capabilities masks (for cap_info) */ |
870 | #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 | |
871 | #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 | |
872 | #define IEEE80211_HT_CAP_SM_PS 0x000C | |
0f78231b | 873 | #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 |
d9fe60de JB |
874 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
875 | #define IEEE80211_HT_CAP_SGI_20 0x0020 | |
876 | #define IEEE80211_HT_CAP_SGI_40 0x0040 | |
877 | #define IEEE80211_HT_CAP_TX_STBC 0x0080 | |
878 | #define IEEE80211_HT_CAP_RX_STBC 0x0300 | |
f79d9bad | 879 | #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 |
d9fe60de JB |
880 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
881 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 | |
882 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 | |
9a418af5 | 883 | #define IEEE80211_HT_CAP_RESERVED 0x2000 |
d9fe60de JB |
884 | #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 |
885 | #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 | |
886 | ||
4dd365fd BZ |
887 | /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ |
888 | #define IEEE80211_HT_EXT_CAP_PCO 0x0001 | |
889 | #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 | |
890 | #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 | |
891 | #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 | |
892 | #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 | |
893 | #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 | |
894 | #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 | |
895 | ||
d9fe60de JB |
896 | /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ |
897 | #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 | |
898 | #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C | |
0f78231b | 899 | #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 |
d9fe60de | 900 | |
d1eba248 S |
901 | /* |
902 | * Maximum length of AMPDU that the STA can receive. | |
903 | * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) | |
904 | */ | |
905 | enum ieee80211_max_ampdu_length_exp { | |
906 | IEEE80211_HT_MAX_AMPDU_8K = 0, | |
907 | IEEE80211_HT_MAX_AMPDU_16K = 1, | |
908 | IEEE80211_HT_MAX_AMPDU_32K = 2, | |
909 | IEEE80211_HT_MAX_AMPDU_64K = 3 | |
910 | }; | |
911 | ||
912 | #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 | |
913 | ||
914 | /* Minimum MPDU start spacing */ | |
915 | enum ieee80211_min_mpdu_spacing { | |
916 | IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ | |
917 | IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ | |
918 | IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ | |
919 | IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ | |
920 | IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ | |
921 | IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ | |
922 | IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ | |
923 | IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ | |
924 | }; | |
925 | ||
6b4e3241 | 926 | /** |
d9fe60de | 927 | * struct ieee80211_ht_info - HT information |
6b4e3241 | 928 | * |
d9fe60de JB |
929 | * This structure is the "HT information element" as |
930 | * described in 802.11n D5.0 7.3.2.58 | |
6b4e3241 | 931 | */ |
d9fe60de | 932 | struct ieee80211_ht_info { |
6b4e3241 RR |
933 | u8 control_chan; |
934 | u8 ht_param; | |
935 | __le16 operation_mode; | |
936 | __le16 stbc_param; | |
937 | u8 basic_set[16]; | |
938 | } __attribute__ ((packed)); | |
939 | ||
d9fe60de JB |
940 | /* for ht_param */ |
941 | #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 | |
942 | #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 | |
943 | #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 | |
944 | #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 | |
945 | #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 | |
946 | #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 | |
947 | #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10 | |
948 | #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0 | |
949 | ||
950 | /* for operation_mode */ | |
951 | #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 | |
952 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 | |
953 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 | |
954 | #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 | |
955 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 | |
956 | #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 | |
957 | #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 | |
958 | ||
959 | /* for stbc_param */ | |
960 | #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 | |
961 | #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 | |
962 | #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 | |
963 | #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 | |
964 | #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 | |
965 | #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 | |
966 | ||
a9de8ce0 | 967 | |
44d414db JB |
968 | /* block-ack parameters */ |
969 | #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 | |
970 | #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C | |
8d661f1e | 971 | #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 |
44d414db JB |
972 | #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 |
973 | #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 | |
974 | ||
975 | /* | |
976 | * A-PMDU buffer sizes | |
977 | * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) | |
978 | */ | |
979 | #define IEEE80211_MIN_AMPDU_BUF 0x8 | |
980 | #define IEEE80211_MAX_AMPDU_BUF 0x40 | |
981 | ||
982 | ||
0f78231b | 983 | /* Spatial Multiplexing Power Save Modes (for capability) */ |
00c5ae2f TW |
984 | #define WLAN_HT_CAP_SM_PS_STATIC 0 |
985 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 | |
986 | #define WLAN_HT_CAP_SM_PS_INVALID 2 | |
987 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 | |
e53cfe0e | 988 | |
0f78231b JB |
989 | /* for SM power control field lower two bits */ |
990 | #define WLAN_HT_SMPS_CONTROL_DISABLED 0 | |
991 | #define WLAN_HT_SMPS_CONTROL_STATIC 1 | |
992 | #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 | |
993 | ||
a9de8ce0 JB |
994 | /* Authentication algorithms */ |
995 | #define WLAN_AUTH_OPEN 0 | |
996 | #define WLAN_AUTH_SHARED_KEY 1 | |
636a5d36 | 997 | #define WLAN_AUTH_FT 2 |
cfdfa4d3 | 998 | #define WLAN_AUTH_SAE 3 |
bb608e9d | 999 | #define WLAN_AUTH_LEAP 128 |
a9de8ce0 JB |
1000 | |
1001 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
1002 | ||
1003 | #define WLAN_CAPABILITY_ESS (1<<0) | |
1004 | #define WLAN_CAPABILITY_IBSS (1<<1) | |
0a35d36d | 1005 | |
333ba732 EP |
1006 | /* |
1007 | * A mesh STA sets the ESS and IBSS capability bits to zero. | |
1008 | * however, this holds true for p2p probe responses (in the p2p_find | |
1009 | * phase) as well. | |
1010 | */ | |
1011 | #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ | |
0a35d36d JC |
1012 | (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) |
1013 | ||
a9de8ce0 JB |
1014 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) |
1015 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
1016 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
1017 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
1018 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
1019 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
b6623486 | 1020 | |
a9de8ce0 JB |
1021 | /* 802.11h */ |
1022 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) | |
1023 | #define WLAN_CAPABILITY_QOS (1<<9) | |
1024 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
1025 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) | |
b6623486 AK |
1026 | /* measurement */ |
1027 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) | |
1028 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) | |
1029 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) | |
1030 | ||
1031 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 | |
1032 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 | |
1033 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 | |
1034 | ||
a9de8ce0 | 1035 | |
5628221c DD |
1036 | /* 802.11g ERP information element */ |
1037 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
1038 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
1039 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
1040 | ||
1041 | /* WLAN_ERP_BARKER_PREAMBLE values */ | |
1042 | enum { | |
1043 | WLAN_ERP_PREAMBLE_SHORT = 0, | |
1044 | WLAN_ERP_PREAMBLE_LONG = 1, | |
1045 | }; | |
1046 | ||
a9de8ce0 JB |
1047 | /* Status codes */ |
1048 | enum ieee80211_statuscode { | |
1049 | WLAN_STATUS_SUCCESS = 0, | |
1050 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
1051 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
1052 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
1053 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
1054 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
1055 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
1056 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
1057 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
1058 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
1059 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
1060 | /* 802.11b */ | |
1061 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
1062 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
1063 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
1064 | /* 802.11h */ | |
1065 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
1066 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
1067 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
1068 | /* 802.11g */ | |
1069 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
1070 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
63a5ab82 JM |
1071 | /* 802.11w */ |
1072 | WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, | |
1073 | WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, | |
a9de8ce0 JB |
1074 | /* 802.11i */ |
1075 | WLAN_STATUS_INVALID_IE = 40, | |
1076 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
1077 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
1078 | WLAN_STATUS_INVALID_AKMP = 43, | |
1079 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
1080 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
1081 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
6b4e3241 RR |
1082 | /* 802.11e */ |
1083 | WLAN_STATUS_UNSPECIFIED_QOS = 32, | |
1084 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, | |
1085 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, | |
1086 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, | |
1087 | WLAN_STATUS_REQUEST_DECLINED = 37, | |
1088 | WLAN_STATUS_INVALID_QOS_PARAM = 38, | |
1089 | WLAN_STATUS_CHANGE_TSPEC = 39, | |
1090 | WLAN_STATUS_WAIT_TS_DELAY = 47, | |
1091 | WLAN_STATUS_NO_DIRECT_LINK = 48, | |
1092 | WLAN_STATUS_STA_NOT_PRESENT = 49, | |
1093 | WLAN_STATUS_STA_NOT_QSTA = 50, | |
cfdfa4d3 S |
1094 | /* 802.11s */ |
1095 | WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, | |
1096 | WLAN_STATUS_FCG_NOT_SUPP = 78, | |
1097 | WLAN_STATUS_STA_NO_TBTT = 78, | |
a9de8ce0 JB |
1098 | }; |
1099 | ||
1100 | ||
1101 | /* Reason codes */ | |
1102 | enum ieee80211_reasoncode { | |
1103 | WLAN_REASON_UNSPECIFIED = 1, | |
1104 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
1105 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
1106 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
1107 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
1108 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
1109 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
1110 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
1111 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
1112 | /* 802.11h */ | |
1113 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
1114 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
1115 | /* 802.11i */ | |
1116 | WLAN_REASON_INVALID_IE = 13, | |
1117 | WLAN_REASON_MIC_FAILURE = 14, | |
1118 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
1119 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
1120 | WLAN_REASON_IE_DIFFERENT = 17, | |
1121 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
1122 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
1123 | WLAN_REASON_INVALID_AKMP = 20, | |
1124 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
1125 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
1126 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
1127 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
6b4e3241 RR |
1128 | /* 802.11e */ |
1129 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, | |
1130 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, | |
1131 | WLAN_REASON_DISASSOC_LOW_ACK = 34, | |
1132 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, | |
1133 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, | |
1134 | WLAN_REASON_QSTA_NOT_USE = 37, | |
1135 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, | |
1136 | WLAN_REASON_QSTA_TIMEOUT = 39, | |
1137 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, | |
cfdfa4d3 S |
1138 | /* 802.11s */ |
1139 | WLAN_REASON_MESH_PEER_CANCELED = 52, | |
1140 | WLAN_REASON_MESH_MAX_PEERS = 53, | |
1141 | WLAN_REASON_MESH_CONFIG = 54, | |
1142 | WLAN_REASON_MESH_CLOSE = 55, | |
1143 | WLAN_REASON_MESH_MAX_RETRIES = 56, | |
1144 | WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, | |
1145 | WLAN_REASON_MESH_INVALID_GTK = 58, | |
1146 | WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, | |
1147 | WLAN_REASON_MESH_INVALID_SECURITY = 60, | |
1148 | WLAN_REASON_MESH_PATH_ERROR = 61, | |
1149 | WLAN_REASON_MESH_PATH_NOFORWARD = 62, | |
1150 | WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, | |
1151 | WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, | |
1152 | WLAN_REASON_MESH_CHAN_REGULATORY = 65, | |
1153 | WLAN_REASON_MESH_CHAN = 66, | |
a9de8ce0 JB |
1154 | }; |
1155 | ||
1156 | ||
1157 | /* Information Element IDs */ | |
1158 | enum ieee80211_eid { | |
1159 | WLAN_EID_SSID = 0, | |
1160 | WLAN_EID_SUPP_RATES = 1, | |
1161 | WLAN_EID_FH_PARAMS = 2, | |
1162 | WLAN_EID_DS_PARAMS = 3, | |
1163 | WLAN_EID_CF_PARAMS = 4, | |
1164 | WLAN_EID_TIM = 5, | |
1165 | WLAN_EID_IBSS_PARAMS = 6, | |
1166 | WLAN_EID_CHALLENGE = 16, | |
8e664fb3 | 1167 | |
a9de8ce0 JB |
1168 | WLAN_EID_COUNTRY = 7, |
1169 | WLAN_EID_HP_PARAMS = 8, | |
1170 | WLAN_EID_HP_TABLE = 9, | |
1171 | WLAN_EID_REQUEST = 10, | |
8e664fb3 | 1172 | |
6b4e3241 RR |
1173 | WLAN_EID_QBSS_LOAD = 11, |
1174 | WLAN_EID_EDCA_PARAM_SET = 12, | |
1175 | WLAN_EID_TSPEC = 13, | |
1176 | WLAN_EID_TCLAS = 14, | |
1177 | WLAN_EID_SCHEDULE = 15, | |
1178 | WLAN_EID_TS_DELAY = 43, | |
1179 | WLAN_EID_TCLAS_PROCESSING = 44, | |
1180 | WLAN_EID_QOS_CAPA = 46, | |
cfdfa4d3 S |
1181 | /* 802.11s */ |
1182 | WLAN_EID_MESH_CONFIG = 113, | |
1183 | WLAN_EID_MESH_ID = 114, | |
1184 | WLAN_EID_LINK_METRIC_REPORT = 115, | |
1185 | WLAN_EID_CONGESTION_NOTIFICATION = 116, | |
1186 | /* Note that the Peer Link IE has been replaced with the similar | |
1187 | * Peer Management IE. We will keep the former definition until mesh | |
1188 | * code is changed to comply with latest 802.11s drafts. | |
d619ee08 | 1189 | */ |
cfdfa4d3 S |
1190 | WLAN_EID_PEER_LINK = 55, /* no longer in 802.11s drafts */ |
1191 | WLAN_EID_PEER_MGMT = 117, | |
1192 | WLAN_EID_CHAN_SWITCH_PARAM = 118, | |
1193 | WLAN_EID_MESH_AWAKE_WINDOW = 119, | |
1194 | WLAN_EID_BEACON_TIMING = 120, | |
1195 | WLAN_EID_MCCAOP_SETUP_REQ = 121, | |
1196 | WLAN_EID_MCCAOP_SETUP_RESP = 122, | |
1197 | WLAN_EID_MCCAOP_ADVERT = 123, | |
1198 | WLAN_EID_MCCAOP_TEARDOWN = 124, | |
1199 | WLAN_EID_GANN = 125, | |
1200 | WLAN_EID_RANN = 126, | |
1201 | WLAN_EID_PREQ = 130, | |
1202 | WLAN_EID_PREP = 131, | |
1203 | WLAN_EID_PERR = 132, | |
1204 | WLAN_EID_PXU = 137, | |
1205 | WLAN_EID_PXUC = 138, | |
1206 | WLAN_EID_AUTH_MESH_PEER_EXCH = 139, | |
1207 | WLAN_EID_MIC = 140, | |
8e664fb3 | 1208 | |
a9de8ce0 JB |
1209 | WLAN_EID_PWR_CONSTRAINT = 32, |
1210 | WLAN_EID_PWR_CAPABILITY = 33, | |
1211 | WLAN_EID_TPC_REQUEST = 34, | |
1212 | WLAN_EID_TPC_REPORT = 35, | |
1213 | WLAN_EID_SUPPORTED_CHANNELS = 36, | |
1214 | WLAN_EID_CHANNEL_SWITCH = 37, | |
1215 | WLAN_EID_MEASURE_REQUEST = 38, | |
1216 | WLAN_EID_MEASURE_REPORT = 39, | |
1217 | WLAN_EID_QUIET = 40, | |
1218 | WLAN_EID_IBSS_DFS = 41, | |
8e664fb3 | 1219 | |
a9de8ce0 JB |
1220 | WLAN_EID_ERP_INFO = 42, |
1221 | WLAN_EID_EXT_SUPP_RATES = 50, | |
8e664fb3 | 1222 | |
6b4e3241 | 1223 | WLAN_EID_HT_CAPABILITY = 45, |
d9fe60de | 1224 | WLAN_EID_HT_INFORMATION = 61, |
8e664fb3 | 1225 | |
a9de8ce0 | 1226 | WLAN_EID_RSN = 48, |
8e664fb3 | 1227 | WLAN_EID_MMIE = 76, |
a9de8ce0 JB |
1228 | WLAN_EID_WPA = 221, |
1229 | WLAN_EID_GENERIC = 221, | |
1230 | WLAN_EID_VENDOR_SPECIFIC = 221, | |
8e664fb3 JB |
1231 | WLAN_EID_QOS_PARAMETER = 222, |
1232 | ||
1233 | WLAN_EID_AP_CHAN_REPORT = 51, | |
1234 | WLAN_EID_NEIGHBOR_REPORT = 52, | |
1235 | WLAN_EID_RCPI = 53, | |
1236 | WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, | |
1237 | WLAN_EID_ANTENNA_INFO = 64, | |
1238 | WLAN_EID_RSNI = 65, | |
1239 | WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, | |
1240 | WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, | |
1241 | WLAN_EID_BSS_AC_ACCESS_DELAY = 68, | |
1242 | WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, | |
1243 | WLAN_EID_MULTIPLE_BSSID = 71, | |
b7e8941b AK |
1244 | WLAN_EID_BSS_COEX_2040 = 72, |
1245 | WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, | |
1246 | WLAN_EID_EXT_CAPABILITY = 127, | |
8e664fb3 JB |
1247 | |
1248 | WLAN_EID_MOBILITY_DOMAIN = 54, | |
1249 | WLAN_EID_FAST_BSS_TRANSITION = 55, | |
1250 | WLAN_EID_TIMEOUT_INTERVAL = 56, | |
1251 | WLAN_EID_RIC_DATA = 57, | |
1252 | WLAN_EID_RIC_DESCRIPTOR = 75, | |
1253 | ||
1254 | WLAN_EID_DSE_REGISTERED_LOCATION = 58, | |
1255 | WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, | |
1256 | WLAN_EID_EXT_CHANSWITCH_ANN = 60, | |
a9de8ce0 JB |
1257 | }; |
1258 | ||
6b4e3241 RR |
1259 | /* Action category code */ |
1260 | enum ieee80211_category { | |
1261 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, | |
1262 | WLAN_CATEGORY_QOS = 1, | |
1263 | WLAN_CATEGORY_DLS = 2, | |
1264 | WLAN_CATEGORY_BACK = 3, | |
fb733336 | 1265 | WLAN_CATEGORY_PUBLIC = 4, |
528769cf | 1266 | WLAN_CATEGORY_HT = 7, |
fea14732 | 1267 | WLAN_CATEGORY_SA_QUERY = 8, |
528769cf | 1268 | WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, |
cfdfa4d3 S |
1269 | WLAN_CATEGORY_MESH_ACTION = 13, |
1270 | WLAN_CATEGORY_MULTIHOP_ACTION = 14, | |
1271 | WLAN_CATEGORY_SELF_PROTECTED = 15, | |
6b4e3241 | 1272 | WLAN_CATEGORY_WMM = 17, |
d3aaec8a JC |
1273 | /* TODO: remove MESH_PATH_SEL after mesh is updated |
1274 | * to current 802.11s draft */ | |
cfdfa4d3 | 1275 | WLAN_CATEGORY_MESH_PATH_SEL = 32, |
528769cf JM |
1276 | WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, |
1277 | WLAN_CATEGORY_VENDOR_SPECIFIC = 127, | |
6b4e3241 RR |
1278 | }; |
1279 | ||
f2df3859 AK |
1280 | /* SPECTRUM_MGMT action code */ |
1281 | enum ieee80211_spectrum_mgmt_actioncode { | |
1282 | WLAN_ACTION_SPCT_MSR_REQ = 0, | |
1283 | WLAN_ACTION_SPCT_MSR_RPRT = 1, | |
1284 | WLAN_ACTION_SPCT_TPC_REQ = 2, | |
1285 | WLAN_ACTION_SPCT_TPC_RPRT = 3, | |
1286 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, | |
1287 | }; | |
1288 | ||
0f78231b JB |
1289 | /* HT action codes */ |
1290 | enum ieee80211_ht_actioncode { | |
1291 | WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, | |
1292 | WLAN_HT_ACTION_SMPS = 1, | |
1293 | WLAN_HT_ACTION_PSMP = 2, | |
1294 | WLAN_HT_ACTION_PCO_PHASE = 3, | |
1295 | WLAN_HT_ACTION_CSI = 4, | |
1296 | WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, | |
1297 | WLAN_HT_ACTION_COMPRESSED_BF = 6, | |
1298 | WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, | |
1299 | }; | |
1300 | ||
e31a16d6 ZY |
1301 | /* Security key length */ |
1302 | enum ieee80211_key_len { | |
1303 | WLAN_KEY_LEN_WEP40 = 5, | |
1304 | WLAN_KEY_LEN_WEP104 = 13, | |
1305 | WLAN_KEY_LEN_CCMP = 16, | |
1306 | WLAN_KEY_LEN_TKIP = 32, | |
8fc0fee0 | 1307 | WLAN_KEY_LEN_AES_CMAC = 16, |
e31a16d6 ZY |
1308 | }; |
1309 | ||
c80d545d JC |
1310 | /** |
1311 | * enum - mesh path selection protocol identifier | |
1312 | * | |
1313 | * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol | |
1314 | * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will | |
1315 | * be specified in a vendor specific information element | |
1316 | */ | |
1317 | enum { | |
1318 | IEEE80211_PATH_PROTOCOL_HWMP = 0, | |
1319 | IEEE80211_PATH_PROTOCOL_VENDOR = 255, | |
1320 | }; | |
1321 | ||
1322 | /** | |
1323 | * enum - mesh path selection metric identifier | |
1324 | * | |
1325 | * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric | |
1326 | * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be | |
1327 | * specified in a vendor specific information element | |
1328 | */ | |
1329 | enum { | |
1330 | IEEE80211_PATH_METRIC_AIRTIME = 0, | |
1331 | IEEE80211_PATH_METRIC_VENDOR = 255, | |
1332 | }; | |
1333 | ||
1334 | ||
3f2355cb LR |
1335 | /* |
1336 | * IEEE 802.11-2007 7.3.2.9 Country information element | |
1337 | * | |
1338 | * Minimum length is 8 octets, ie len must be evenly | |
1339 | * divisible by 2 | |
1340 | */ | |
1341 | ||
1342 | /* Although the spec says 8 I'm seeing 6 in practice */ | |
1343 | #define IEEE80211_COUNTRY_IE_MIN_LEN 6 | |
1344 | ||
80751e2b BZ |
1345 | /* The Country String field of the element shall be 3 octets in length */ |
1346 | #define IEEE80211_COUNTRY_STRING_LEN 3 | |
1347 | ||
3f2355cb LR |
1348 | /* |
1349 | * For regulatory extension stuff see IEEE 802.11-2007 | |
1350 | * Annex I (page 1141) and Annex J (page 1147). Also | |
1351 | * review 7.3.2.9. | |
1352 | * | |
1353 | * When dot11RegulatoryClassesRequired is true and the | |
1354 | * first_channel/reg_extension_id is >= 201 then the IE | |
1355 | * compromises of the 'ext' struct represented below: | |
1356 | * | |
1357 | * - Regulatory extension ID - when generating IE this just needs | |
1358 | * to be monotonically increasing for each triplet passed in | |
1359 | * the IE | |
1360 | * - Regulatory class - index into set of rules | |
1361 | * - Coverage class - index into air propagation time (Table 7-27), | |
1362 | * in microseconds, you can compute the air propagation time from | |
1363 | * the index by multiplying by 3, so index 10 yields a propagation | |
1364 | * of 10 us. Valid values are 0-31, values 32-255 are not defined | |
1365 | * yet. A value of 0 inicates air propagation of <= 1 us. | |
1366 | * | |
1367 | * See also Table I.2 for Emission limit sets and table | |
1368 | * I.3 for Behavior limit sets. Table J.1 indicates how to map | |
1369 | * a reg_class to an emission limit set and behavior limit set. | |
1370 | */ | |
1371 | #define IEEE80211_COUNTRY_EXTENSION_ID 201 | |
1372 | ||
1373 | /* | |
1374 | * Channels numbers in the IE must be monotonically increasing | |
1375 | * if dot11RegulatoryClassesRequired is not true. | |
1376 | * | |
1377 | * If dot11RegulatoryClassesRequired is true consecutive | |
1378 | * subband triplets following a regulatory triplet shall | |
1379 | * have monotonically increasing first_channel number fields. | |
1380 | * | |
1381 | * Channel numbers shall not overlap. | |
1382 | * | |
1383 | * Note that max_power is signed. | |
1384 | */ | |
1385 | struct ieee80211_country_ie_triplet { | |
1386 | union { | |
1387 | struct { | |
1388 | u8 first_channel; | |
1389 | u8 num_channels; | |
1390 | s8 max_power; | |
1391 | } __attribute__ ((packed)) chans; | |
1392 | struct { | |
1393 | u8 reg_extension_id; | |
1394 | u8 reg_class; | |
1395 | u8 coverage_class; | |
1396 | } __attribute__ ((packed)) ext; | |
1397 | }; | |
1398 | } __attribute__ ((packed)); | |
1399 | ||
f797eb7e JM |
1400 | enum ieee80211_timeout_interval_type { |
1401 | WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, | |
1402 | WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, | |
1403 | WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, | |
1404 | }; | |
1405 | ||
6b4e3241 RR |
1406 | /* BACK action code */ |
1407 | enum ieee80211_back_actioncode { | |
1408 | WLAN_ACTION_ADDBA_REQ = 0, | |
1409 | WLAN_ACTION_ADDBA_RESP = 1, | |
1410 | WLAN_ACTION_DELBA = 2, | |
1411 | }; | |
1412 | ||
07db2183 RR |
1413 | /* BACK (block-ack) parties */ |
1414 | enum ieee80211_back_parties { | |
1415 | WLAN_BACK_RECIPIENT = 0, | |
1416 | WLAN_BACK_INITIATOR = 1, | |
07db2183 RR |
1417 | }; |
1418 | ||
fea14732 JM |
1419 | /* SA Query action */ |
1420 | enum ieee80211_sa_query_action { | |
1421 | WLAN_ACTION_SA_QUERY_REQUEST = 0, | |
1422 | WLAN_ACTION_SA_QUERY_RESPONSE = 1, | |
1423 | }; | |
1424 | ||
1425 | ||
6b4e3241 RR |
1426 | /* A-MSDU 802.11n */ |
1427 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 | |
1428 | ||
a9de8ce0 JB |
1429 | /* cipher suite selectors */ |
1430 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 | |
1431 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 | |
1432 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 | |
1433 | /* reserved: 0x000FAC03 */ | |
1434 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 | |
1435 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 | |
3cfcf6ac | 1436 | #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 |
a9de8ce0 | 1437 | |
6a669e65 JB |
1438 | /* AKM suite selectors */ |
1439 | #define WLAN_AKM_SUITE_8021X 0x000FAC01 | |
1440 | #define WLAN_AKM_SUITE_PSK 0x000FAC02 | |
cfdfa4d3 S |
1441 | #define WLAN_AKM_SUITE_SAE 0x000FAC08 |
1442 | #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 | |
6a669e65 | 1443 | |
a9de8ce0 JB |
1444 | #define WLAN_MAX_KEY_LEN 32 |
1445 | ||
67fbb16b SO |
1446 | #define WLAN_PMKID_LEN 16 |
1447 | ||
fd7c8a40 HH |
1448 | /** |
1449 | * ieee80211_get_qos_ctl - get pointer to qos control bytes | |
1450 | * @hdr: the frame | |
1451 | * | |
1452 | * The qos ctrl bytes come after the frame_control, duration, seq_num | |
1453 | * and 3 or 4 addresses of length ETH_ALEN. | |
1454 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 | |
1455 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 | |
1456 | */ | |
1457 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) | |
1458 | { | |
1459 | if (ieee80211_has_a4(hdr->frame_control)) | |
1460 | return (u8 *)hdr + 30; | |
1461 | else | |
1462 | return (u8 *)hdr + 24; | |
1463 | } | |
1464 | ||
f97df02e JB |
1465 | /** |
1466 | * ieee80211_get_SA - get pointer to SA | |
fd7c8a40 | 1467 | * @hdr: the frame |
f97df02e JB |
1468 | * |
1469 | * Given an 802.11 frame, this function returns the offset | |
1470 | * to the source address (SA). It does not verify that the | |
1471 | * header is long enough to contain the address, and the | |
1472 | * header must be long enough to contain the frame control | |
1473 | * field. | |
f97df02e JB |
1474 | */ |
1475 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) | |
1476 | { | |
fd7c8a40 | 1477 | if (ieee80211_has_a4(hdr->frame_control)) |
5a433b3a | 1478 | return hdr->addr4; |
fd7c8a40 HH |
1479 | if (ieee80211_has_fromds(hdr->frame_control)) |
1480 | return hdr->addr3; | |
1481 | return hdr->addr2; | |
f97df02e JB |
1482 | } |
1483 | ||
1484 | /** | |
1485 | * ieee80211_get_DA - get pointer to DA | |
fd7c8a40 | 1486 | * @hdr: the frame |
f97df02e JB |
1487 | * |
1488 | * Given an 802.11 frame, this function returns the offset | |
1489 | * to the destination address (DA). It does not verify that | |
1490 | * the header is long enough to contain the address, and the | |
1491 | * header must be long enough to contain the frame control | |
1492 | * field. | |
f97df02e JB |
1493 | */ |
1494 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) | |
1495 | { | |
fd7c8a40 | 1496 | if (ieee80211_has_tods(hdr->frame_control)) |
f97df02e | 1497 | return hdr->addr3; |
5a433b3a HH |
1498 | else |
1499 | return hdr->addr1; | |
f97df02e JB |
1500 | } |
1501 | ||
fb733336 JM |
1502 | /** |
1503 | * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame | |
1504 | * @hdr: the frame (buffer must include at least the first octet of payload) | |
1505 | */ | |
1506 | static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) | |
1507 | { | |
1508 | if (ieee80211_is_disassoc(hdr->frame_control) || | |
1509 | ieee80211_is_deauth(hdr->frame_control)) | |
1510 | return true; | |
1511 | ||
1512 | if (ieee80211_is_action(hdr->frame_control)) { | |
1513 | u8 *category; | |
1514 | ||
1515 | /* | |
1516 | * Action frames, excluding Public Action frames, are Robust | |
1517 | * Management Frames. However, if we are looking at a Protected | |
1518 | * frame, skip the check since the data may be encrypted and | |
1519 | * the frame has already been found to be a Robust Management | |
1520 | * Frame (by the other end). | |
1521 | */ | |
1522 | if (ieee80211_has_protected(hdr->frame_control)) | |
1523 | return true; | |
1524 | category = ((u8 *) hdr) + 24; | |
528769cf JM |
1525 | return *category != WLAN_CATEGORY_PUBLIC && |
1526 | *category != WLAN_CATEGORY_HT && | |
8f9cb77d | 1527 | *category != WLAN_CATEGORY_SELF_PROTECTED && |
528769cf | 1528 | *category != WLAN_CATEGORY_VENDOR_SPECIFIC; |
fb733336 JM |
1529 | } |
1530 | ||
1531 | return false; | |
1532 | } | |
1533 | ||
9ee677c2 DK |
1534 | /** |
1535 | * ieee80211_fhss_chan_to_freq - get channel frequency | |
1536 | * @channel: the FHSS channel | |
1537 | * | |
1538 | * Convert IEEE802.11 FHSS channel to frequency (MHz) | |
1539 | * Ref IEEE 802.11-2007 section 14.6 | |
1540 | */ | |
1541 | static inline int ieee80211_fhss_chan_to_freq(int channel) | |
1542 | { | |
1543 | if ((channel > 1) && (channel < 96)) | |
1544 | return channel + 2400; | |
1545 | else | |
1546 | return -1; | |
1547 | } | |
1548 | ||
1549 | /** | |
1550 | * ieee80211_freq_to_fhss_chan - get channel | |
1551 | * @freq: the channels frequency | |
1552 | * | |
1553 | * Convert frequency (MHz) to IEEE802.11 FHSS channel | |
1554 | * Ref IEEE 802.11-2007 section 14.6 | |
1555 | */ | |
1556 | static inline int ieee80211_freq_to_fhss_chan(int freq) | |
1557 | { | |
1558 | if ((freq > 2401) && (freq < 2496)) | |
1559 | return freq - 2400; | |
1560 | else | |
1561 | return -1; | |
1562 | } | |
1563 | ||
1564 | /** | |
1565 | * ieee80211_dsss_chan_to_freq - get channel center frequency | |
1566 | * @channel: the DSSS channel | |
1567 | * | |
1568 | * Convert IEEE802.11 DSSS channel to the center frequency (MHz). | |
1569 | * Ref IEEE 802.11-2007 section 15.6 | |
1570 | */ | |
1571 | static inline int ieee80211_dsss_chan_to_freq(int channel) | |
1572 | { | |
1573 | if ((channel > 0) && (channel < 14)) | |
1574 | return 2407 + (channel * 5); | |
1575 | else if (channel == 14) | |
1576 | return 2484; | |
1577 | else | |
1578 | return -1; | |
1579 | } | |
1580 | ||
1581 | /** | |
1582 | * ieee80211_freq_to_dsss_chan - get channel | |
1583 | * @freq: the frequency | |
1584 | * | |
1585 | * Convert frequency (MHz) to IEEE802.11 DSSS channel | |
1586 | * Ref IEEE 802.11-2007 section 15.6 | |
1587 | * | |
1588 | * This routine selects the channel with the closest center frequency. | |
1589 | */ | |
1590 | static inline int ieee80211_freq_to_dsss_chan(int freq) | |
1591 | { | |
1592 | if ((freq >= 2410) && (freq < 2475)) | |
1593 | return (freq - 2405) / 5; | |
1594 | else if ((freq >= 2482) && (freq < 2487)) | |
1595 | return 14; | |
1596 | else | |
1597 | return -1; | |
1598 | } | |
1599 | ||
1600 | /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back | |
1601 | * Ref IEEE 802.11-2007 section 18.4.6.2 | |
1602 | * | |
1603 | * The channels and frequencies are the same as those defined for DSSS | |
1604 | */ | |
1605 | #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan) | |
1606 | #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq) | |
1607 | ||
1608 | /* Convert IEEE802.11 ERP channel to frequency (MHz) and back | |
1609 | * Ref IEEE 802.11-2007 section 19.4.2 | |
1610 | */ | |
1611 | #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan) | |
1612 | #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq) | |
1613 | ||
1614 | /** | |
1615 | * ieee80211_ofdm_chan_to_freq - get channel center frequency | |
1616 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | |
1617 | * @channel: the OFDM channel | |
1618 | * | |
1619 | * Convert IEEE802.11 OFDM channel to center frequency (MHz) | |
1620 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | |
1621 | */ | |
1622 | static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel) | |
1623 | { | |
1624 | if ((channel > 0) && (channel <= 200) && | |
1625 | (s_freq >= 4000)) | |
1626 | return s_freq + (channel * 5); | |
1627 | else | |
1628 | return -1; | |
1629 | } | |
1630 | ||
1631 | /** | |
1632 | * ieee80211_freq_to_ofdm_channel - get channel | |
1633 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | |
1634 | * @freq: the frequency | |
1635 | * | |
1636 | * Convert frequency (MHz) to IEEE802.11 OFDM channel | |
1637 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | |
1638 | * | |
1639 | * This routine selects the channel with the closest center frequency. | |
1640 | */ | |
1641 | static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq) | |
1642 | { | |
1643 | if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) && | |
1644 | (s_freq >= 4000)) | |
1645 | return (freq + 2 - s_freq) / 5; | |
1646 | else | |
1647 | return -1; | |
1648 | } | |
1649 | ||
10f644a4 JB |
1650 | /** |
1651 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds | |
1652 | * @tu: the TUs | |
1653 | */ | |
1654 | static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) | |
1655 | { | |
1656 | return 1024 * tu; | |
1657 | } | |
1658 | ||
e7ec86f5 JB |
1659 | /** |
1660 | * ieee80211_check_tim - check if AID bit is set in TIM | |
1661 | * @tim: the TIM IE | |
1662 | * @tim_len: length of the TIM IE | |
1663 | * @aid: the AID to look for | |
1664 | */ | |
1665 | static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim, | |
1666 | u8 tim_len, u16 aid) | |
1667 | { | |
1668 | u8 mask; | |
1669 | u8 index, indexn1, indexn2; | |
1670 | ||
1671 | if (unlikely(!tim || tim_len < sizeof(*tim))) | |
1672 | return false; | |
1673 | ||
1674 | aid &= 0x3fff; | |
1675 | index = aid / 8; | |
1676 | mask = 1 << (aid & 7); | |
1677 | ||
1678 | indexn1 = tim->bitmap_ctrl & 0xfe; | |
1679 | indexn2 = tim_len + indexn1 - 4; | |
1680 | ||
1681 | if (index < indexn1 || index > indexn2) | |
1682 | return false; | |
1683 | ||
1684 | index -= indexn1; | |
1685 | ||
1686 | return !!(tim->virtual_map[index] & mask); | |
1687 | } | |
1688 | ||
9387b7ca | 1689 | #endif /* LINUX_IEEE80211_H */ |