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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 JB |
20 | |
21 | #define FCS_LEN 4 | |
22 | ||
23 | #define IEEE80211_FCTL_VERS 0x0003 | |
24 | #define IEEE80211_FCTL_FTYPE 0x000c | |
25 | #define IEEE80211_FCTL_STYPE 0x00f0 | |
26 | #define IEEE80211_FCTL_TODS 0x0100 | |
27 | #define IEEE80211_FCTL_FROMDS 0x0200 | |
28 | #define IEEE80211_FCTL_MOREFRAGS 0x0400 | |
29 | #define IEEE80211_FCTL_RETRY 0x0800 | |
30 | #define IEEE80211_FCTL_PM 0x1000 | |
31 | #define IEEE80211_FCTL_MOREDATA 0x2000 | |
32 | #define IEEE80211_FCTL_PROTECTED 0x4000 | |
33 | #define IEEE80211_FCTL_ORDER 0x8000 | |
34 | ||
35 | #define IEEE80211_SCTL_FRAG 0x000F | |
36 | #define IEEE80211_SCTL_SEQ 0xFFF0 | |
37 | ||
38 | #define IEEE80211_FTYPE_MGMT 0x0000 | |
39 | #define IEEE80211_FTYPE_CTL 0x0004 | |
40 | #define IEEE80211_FTYPE_DATA 0x0008 | |
41 | ||
42 | /* management */ | |
43 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 | |
44 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 | |
45 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 | |
46 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 | |
47 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 | |
48 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 | |
49 | #define IEEE80211_STYPE_BEACON 0x0080 | |
50 | #define IEEE80211_STYPE_ATIM 0x0090 | |
51 | #define IEEE80211_STYPE_DISASSOC 0x00A0 | |
52 | #define IEEE80211_STYPE_AUTH 0x00B0 | |
53 | #define IEEE80211_STYPE_DEAUTH 0x00C0 | |
54 | #define IEEE80211_STYPE_ACTION 0x00D0 | |
55 | ||
56 | /* control */ | |
6b4e3241 RR |
57 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
58 | #define IEEE80211_STYPE_BACK 0x0090 | |
a9de8ce0 JB |
59 | #define IEEE80211_STYPE_PSPOLL 0x00A0 |
60 | #define IEEE80211_STYPE_RTS 0x00B0 | |
61 | #define IEEE80211_STYPE_CTS 0x00C0 | |
62 | #define IEEE80211_STYPE_ACK 0x00D0 | |
63 | #define IEEE80211_STYPE_CFEND 0x00E0 | |
64 | #define IEEE80211_STYPE_CFENDACK 0x00F0 | |
65 | ||
66 | /* data */ | |
67 | #define IEEE80211_STYPE_DATA 0x0000 | |
68 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 | |
69 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 | |
70 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 | |
71 | #define IEEE80211_STYPE_NULLFUNC 0x0040 | |
72 | #define IEEE80211_STYPE_CFACK 0x0050 | |
73 | #define IEEE80211_STYPE_CFPOLL 0x0060 | |
74 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 | |
75 | #define IEEE80211_STYPE_QOS_DATA 0x0080 | |
76 | #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 | |
77 | #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 | |
78 | #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 | |
79 | #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 | |
80 | #define IEEE80211_STYPE_QOS_CFACK 0x00D0 | |
81 | #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 | |
82 | #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 | |
83 | ||
84 | ||
85 | /* miscellaneous IEEE 802.11 constants */ | |
c237899d MW |
86 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
87 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 | |
a9de8ce0 JB |
88 | #define IEEE80211_MAX_AID 2007 |
89 | #define IEEE80211_MAX_TIM_LEN 251 | |
a9de8ce0 JB |
90 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
91 | 6.2.1.1.2. | |
92 | ||
c237899d MW |
93 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
94 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ | |
95 | #define IEEE80211_MAX_DATA_LEN 2304 | |
96 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ | |
97 | #define IEEE80211_MAX_FRAME_LEN 2352 | |
a9de8ce0 JB |
98 | |
99 | #define IEEE80211_MAX_SSID_LEN 32 | |
37c57989 | 100 | #define IEEE80211_MAX_MESH_ID_LEN 32 |
fd7c8a40 | 101 | #define IEEE80211_QOS_CTL_LEN 2 |
238f74a2 HH |
102 | #define IEEE80211_QOS_CTL_TID_MASK 0x000F |
103 | #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 | |
a9de8ce0 JB |
104 | |
105 | struct ieee80211_hdr { | |
106 | __le16 frame_control; | |
107 | __le16 duration_id; | |
108 | u8 addr1[6]; | |
109 | u8 addr2[6]; | |
110 | u8 addr3[6]; | |
111 | __le16 seq_ctrl; | |
112 | u8 addr4[6]; | |
113 | } __attribute__ ((packed)); | |
114 | ||
fd7c8a40 HH |
115 | /** |
116 | * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set | |
117 | * @fc: frame control bytes in little-endian byteorder | |
118 | */ | |
119 | static inline int ieee80211_has_tods(__le16 fc) | |
120 | { | |
121 | return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; | |
122 | } | |
123 | ||
124 | /** | |
125 | * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set | |
126 | * @fc: frame control bytes in little-endian byteorder | |
127 | */ | |
128 | static inline int ieee80211_has_fromds(__le16 fc) | |
129 | { | |
130 | return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; | |
131 | } | |
132 | ||
133 | /** | |
134 | * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set | |
135 | * @fc: frame control bytes in little-endian byteorder | |
136 | */ | |
137 | static inline int ieee80211_has_a4(__le16 fc) | |
138 | { | |
139 | __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); | |
140 | return (fc & tmp) == tmp; | |
141 | } | |
142 | ||
143 | /** | |
144 | * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set | |
145 | * @fc: frame control bytes in little-endian byteorder | |
146 | */ | |
147 | static inline int ieee80211_has_morefrags(__le16 fc) | |
148 | { | |
149 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; | |
150 | } | |
151 | ||
152 | /** | |
153 | * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set | |
154 | * @fc: frame control bytes in little-endian byteorder | |
155 | */ | |
156 | static inline int ieee80211_has_retry(__le16 fc) | |
157 | { | |
158 | return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; | |
159 | } | |
160 | ||
161 | /** | |
162 | * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set | |
163 | * @fc: frame control bytes in little-endian byteorder | |
164 | */ | |
165 | static inline int ieee80211_has_pm(__le16 fc) | |
166 | { | |
167 | return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; | |
168 | } | |
169 | ||
170 | /** | |
171 | * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set | |
172 | * @fc: frame control bytes in little-endian byteorder | |
173 | */ | |
174 | static inline int ieee80211_has_moredata(__le16 fc) | |
175 | { | |
176 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; | |
177 | } | |
178 | ||
179 | /** | |
180 | * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set | |
181 | * @fc: frame control bytes in little-endian byteorder | |
182 | */ | |
183 | static inline int ieee80211_has_protected(__le16 fc) | |
184 | { | |
185 | return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; | |
186 | } | |
187 | ||
188 | /** | |
189 | * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set | |
190 | * @fc: frame control bytes in little-endian byteorder | |
191 | */ | |
192 | static inline int ieee80211_has_order(__le16 fc) | |
193 | { | |
194 | return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; | |
195 | } | |
196 | ||
197 | /** | |
198 | * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT | |
199 | * @fc: frame control bytes in little-endian byteorder | |
200 | */ | |
201 | static inline int ieee80211_is_mgmt(__le16 fc) | |
202 | { | |
203 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
204 | cpu_to_le16(IEEE80211_FTYPE_MGMT); | |
205 | } | |
206 | ||
207 | /** | |
208 | * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL | |
209 | * @fc: frame control bytes in little-endian byteorder | |
210 | */ | |
211 | static inline int ieee80211_is_ctl(__le16 fc) | |
212 | { | |
213 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
214 | cpu_to_le16(IEEE80211_FTYPE_CTL); | |
215 | } | |
216 | ||
217 | /** | |
218 | * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA | |
219 | * @fc: frame control bytes in little-endian byteorder | |
220 | */ | |
221 | static inline int ieee80211_is_data(__le16 fc) | |
222 | { | |
223 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
224 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
225 | } | |
226 | ||
227 | /** | |
228 | * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set | |
229 | * @fc: frame control bytes in little-endian byteorder | |
230 | */ | |
231 | static inline int ieee80211_is_data_qos(__le16 fc) | |
232 | { | |
233 | /* | |
234 | * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need | |
235 | * to check the one bit | |
236 | */ | |
237 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == | |
238 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); | |
239 | } | |
240 | ||
241 | /** | |
242 | * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data | |
243 | * @fc: frame control bytes in little-endian byteorder | |
244 | */ | |
245 | static inline int ieee80211_is_data_present(__le16 fc) | |
246 | { | |
247 | /* | |
248 | * mask with 0x40 and test that that bit is clear to only return true | |
249 | * for the data-containing substypes. | |
250 | */ | |
251 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == | |
252 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
253 | } | |
254 | ||
255 | /** | |
256 | * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ | |
257 | * @fc: frame control bytes in little-endian byteorder | |
258 | */ | |
259 | static inline int ieee80211_is_assoc_req(__le16 fc) | |
260 | { | |
261 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
262 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); | |
263 | } | |
264 | ||
265 | /** | |
266 | * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP | |
267 | * @fc: frame control bytes in little-endian byteorder | |
268 | */ | |
269 | static inline int ieee80211_is_assoc_resp(__le16 fc) | |
270 | { | |
271 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
272 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); | |
273 | } | |
274 | ||
275 | /** | |
276 | * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ | |
277 | * @fc: frame control bytes in little-endian byteorder | |
278 | */ | |
279 | static inline int ieee80211_is_reassoc_req(__le16 fc) | |
280 | { | |
281 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
282 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); | |
283 | } | |
284 | ||
285 | /** | |
286 | * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP | |
287 | * @fc: frame control bytes in little-endian byteorder | |
288 | */ | |
289 | static inline int ieee80211_is_reassoc_resp(__le16 fc) | |
290 | { | |
291 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
292 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); | |
293 | } | |
294 | ||
295 | /** | |
296 | * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ | |
297 | * @fc: frame control bytes in little-endian byteorder | |
298 | */ | |
299 | static inline int ieee80211_is_probe_req(__le16 fc) | |
300 | { | |
301 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
302 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); | |
303 | } | |
304 | ||
305 | /** | |
306 | * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP | |
307 | * @fc: frame control bytes in little-endian byteorder | |
308 | */ | |
309 | static inline int ieee80211_is_probe_resp(__le16 fc) | |
310 | { | |
311 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
312 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); | |
313 | } | |
314 | ||
315 | /** | |
316 | * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON | |
317 | * @fc: frame control bytes in little-endian byteorder | |
318 | */ | |
319 | static inline int ieee80211_is_beacon(__le16 fc) | |
320 | { | |
321 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
322 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); | |
323 | } | |
324 | ||
325 | /** | |
326 | * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM | |
327 | * @fc: frame control bytes in little-endian byteorder | |
328 | */ | |
329 | static inline int ieee80211_is_atim(__le16 fc) | |
330 | { | |
331 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
332 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); | |
333 | } | |
334 | ||
335 | /** | |
336 | * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC | |
337 | * @fc: frame control bytes in little-endian byteorder | |
338 | */ | |
339 | static inline int ieee80211_is_disassoc(__le16 fc) | |
340 | { | |
341 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
342 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); | |
343 | } | |
344 | ||
345 | /** | |
346 | * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH | |
347 | * @fc: frame control bytes in little-endian byteorder | |
348 | */ | |
349 | static inline int ieee80211_is_auth(__le16 fc) | |
350 | { | |
351 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
352 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); | |
353 | } | |
354 | ||
355 | /** | |
356 | * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH | |
357 | * @fc: frame control bytes in little-endian byteorder | |
358 | */ | |
359 | static inline int ieee80211_is_deauth(__le16 fc) | |
360 | { | |
361 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
362 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); | |
363 | } | |
364 | ||
365 | /** | |
366 | * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION | |
367 | * @fc: frame control bytes in little-endian byteorder | |
368 | */ | |
369 | static inline int ieee80211_is_action(__le16 fc) | |
370 | { | |
371 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
372 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); | |
373 | } | |
374 | ||
375 | /** | |
376 | * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ | |
377 | * @fc: frame control bytes in little-endian byteorder | |
378 | */ | |
379 | static inline int ieee80211_is_back_req(__le16 fc) | |
380 | { | |
381 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
382 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); | |
383 | } | |
384 | ||
385 | /** | |
386 | * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK | |
387 | * @fc: frame control bytes in little-endian byteorder | |
388 | */ | |
389 | static inline int ieee80211_is_back(__le16 fc) | |
390 | { | |
391 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
392 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); | |
393 | } | |
394 | ||
395 | /** | |
396 | * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL | |
397 | * @fc: frame control bytes in little-endian byteorder | |
398 | */ | |
399 | static inline int ieee80211_is_pspoll(__le16 fc) | |
400 | { | |
401 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
402 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); | |
403 | } | |
404 | ||
405 | /** | |
406 | * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS | |
407 | * @fc: frame control bytes in little-endian byteorder | |
408 | */ | |
409 | static inline int ieee80211_is_rts(__le16 fc) | |
410 | { | |
411 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
412 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); | |
413 | } | |
414 | ||
415 | /** | |
416 | * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS | |
417 | * @fc: frame control bytes in little-endian byteorder | |
418 | */ | |
419 | static inline int ieee80211_is_cts(__le16 fc) | |
420 | { | |
421 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
422 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); | |
423 | } | |
424 | ||
425 | /** | |
426 | * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK | |
427 | * @fc: frame control bytes in little-endian byteorder | |
428 | */ | |
429 | static inline int ieee80211_is_ack(__le16 fc) | |
430 | { | |
431 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
432 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); | |
433 | } | |
434 | ||
435 | /** | |
436 | * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND | |
437 | * @fc: frame control bytes in little-endian byteorder | |
438 | */ | |
439 | static inline int ieee80211_is_cfend(__le16 fc) | |
440 | { | |
441 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
442 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); | |
443 | } | |
444 | ||
445 | /** | |
446 | * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK | |
447 | * @fc: frame control bytes in little-endian byteorder | |
448 | */ | |
449 | static inline int ieee80211_is_cfendack(__le16 fc) | |
450 | { | |
451 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
452 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); | |
453 | } | |
454 | ||
455 | /** | |
456 | * ieee80211_is_nullfunc - check if FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC | |
457 | * @fc: frame control bytes in little-endian byteorder | |
458 | */ | |
459 | static inline int ieee80211_is_nullfunc(__le16 fc) | |
460 | { | |
461 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
462 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); | |
463 | } | |
a9de8ce0 | 464 | |
37c57989 LCC |
465 | struct ieee80211s_hdr { |
466 | u8 flags; | |
467 | u8 ttl; | |
51ceddad | 468 | __le32 seqnum; |
37c57989 LCC |
469 | u8 eaddr1[6]; |
470 | u8 eaddr2[6]; | |
471 | u8 eaddr3[6]; | |
472 | } __attribute__ ((packed)); | |
473 | ||
79617dee Y |
474 | /* Mesh flags */ |
475 | #define MESH_FLAGS_AE_A4 0x1 | |
476 | #define MESH_FLAGS_AE_A5_A6 0x2 | |
477 | #define MESH_FLAGS_PS_DEEP 0x4 | |
478 | ||
f2df3859 AK |
479 | /** |
480 | * struct ieee80211_quiet_ie | |
481 | * | |
482 | * This structure refers to "Quiet information element" | |
483 | */ | |
484 | struct ieee80211_quiet_ie { | |
485 | u8 count; | |
486 | u8 period; | |
487 | __le16 duration; | |
488 | __le16 offset; | |
489 | } __attribute__ ((packed)); | |
490 | ||
491 | /** | |
492 | * struct ieee80211_msrment_ie | |
493 | * | |
494 | * This structure refers to "Measurement Request/Report information element" | |
495 | */ | |
496 | struct ieee80211_msrment_ie { | |
497 | u8 token; | |
498 | u8 mode; | |
499 | u8 type; | |
500 | u8 request[0]; | |
501 | } __attribute__ ((packed)); | |
502 | ||
503 | /** | |
504 | * struct ieee80211_channel_sw_ie | |
505 | * | |
506 | * This structure refers to "Channel Switch Announcement information element" | |
507 | */ | |
508 | struct ieee80211_channel_sw_ie { | |
509 | u8 mode; | |
510 | u8 new_ch_num; | |
511 | u8 count; | |
512 | } __attribute__ ((packed)); | |
37c57989 | 513 | |
98f7dfd8 EG |
514 | /** |
515 | * struct ieee80211_tim | |
516 | * | |
517 | * This structure refers to "Traffic Indication Map information element" | |
518 | */ | |
519 | struct ieee80211_tim_ie { | |
520 | u8 dtim_count; | |
521 | u8 dtim_period; | |
522 | u8 bitmap_ctrl; | |
523 | /* variable size: 1 - 251 bytes */ | |
524 | u8 virtual_map[0]; | |
525 | } __attribute__ ((packed)); | |
526 | ||
a9de8ce0 JB |
527 | struct ieee80211_mgmt { |
528 | __le16 frame_control; | |
529 | __le16 duration; | |
530 | u8 da[6]; | |
531 | u8 sa[6]; | |
532 | u8 bssid[6]; | |
533 | __le16 seq_ctrl; | |
534 | union { | |
535 | struct { | |
536 | __le16 auth_alg; | |
537 | __le16 auth_transaction; | |
538 | __le16 status_code; | |
539 | /* possibly followed by Challenge text */ | |
540 | u8 variable[0]; | |
541 | } __attribute__ ((packed)) auth; | |
542 | struct { | |
543 | __le16 reason_code; | |
544 | } __attribute__ ((packed)) deauth; | |
545 | struct { | |
546 | __le16 capab_info; | |
547 | __le16 listen_interval; | |
548 | /* followed by SSID and Supported rates */ | |
549 | u8 variable[0]; | |
550 | } __attribute__ ((packed)) assoc_req; | |
551 | struct { | |
552 | __le16 capab_info; | |
553 | __le16 status_code; | |
554 | __le16 aid; | |
555 | /* followed by Supported rates */ | |
556 | u8 variable[0]; | |
557 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; | |
558 | struct { | |
559 | __le16 capab_info; | |
560 | __le16 listen_interval; | |
561 | u8 current_ap[6]; | |
562 | /* followed by SSID and Supported rates */ | |
563 | u8 variable[0]; | |
564 | } __attribute__ ((packed)) reassoc_req; | |
565 | struct { | |
566 | __le16 reason_code; | |
567 | } __attribute__ ((packed)) disassoc; | |
568 | struct { | |
569 | __le64 timestamp; | |
570 | __le16 beacon_int; | |
571 | __le16 capab_info; | |
572 | /* followed by some of SSID, Supported rates, | |
573 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ | |
574 | u8 variable[0]; | |
575 | } __attribute__ ((packed)) beacon; | |
576 | struct { | |
577 | /* only variable items: SSID, Supported rates */ | |
578 | u8 variable[0]; | |
579 | } __attribute__ ((packed)) probe_req; | |
580 | struct { | |
581 | __le64 timestamp; | |
582 | __le16 beacon_int; | |
583 | __le16 capab_info; | |
584 | /* followed by some of SSID, Supported rates, | |
585 | * FH Params, DS Params, CF Params, IBSS Params */ | |
586 | u8 variable[0]; | |
587 | } __attribute__ ((packed)) probe_resp; | |
588 | struct { | |
589 | u8 category; | |
590 | union { | |
591 | struct { | |
592 | u8 action_code; | |
593 | u8 dialog_token; | |
594 | u8 status_code; | |
595 | u8 variable[0]; | |
596 | } __attribute__ ((packed)) wme_action; | |
597 | struct{ | |
598 | u8 action_code; | |
599 | u8 element_id; | |
600 | u8 length; | |
f2df3859 | 601 | struct ieee80211_channel_sw_ie sw_elem; |
a9de8ce0 | 602 | } __attribute__((packed)) chan_switch; |
f2df3859 AK |
603 | struct{ |
604 | u8 action_code; | |
605 | u8 dialog_token; | |
606 | u8 element_id; | |
607 | u8 length; | |
608 | struct ieee80211_msrment_ie msr_elem; | |
609 | } __attribute__((packed)) measurement; | |
6b4e3241 RR |
610 | struct{ |
611 | u8 action_code; | |
612 | u8 dialog_token; | |
613 | __le16 capab; | |
614 | __le16 timeout; | |
615 | __le16 start_seq_num; | |
616 | } __attribute__((packed)) addba_req; | |
617 | struct{ | |
618 | u8 action_code; | |
619 | u8 dialog_token; | |
620 | __le16 status; | |
621 | __le16 capab; | |
622 | __le16 timeout; | |
623 | } __attribute__((packed)) addba_resp; | |
624 | struct{ | |
625 | u8 action_code; | |
626 | __le16 params; | |
627 | __le16 reason_code; | |
628 | } __attribute__((packed)) delba; | |
37c57989 LCC |
629 | struct{ |
630 | u8 action_code; | |
631 | /* capab_info for open and confirm, | |
632 | * reason for close | |
633 | */ | |
634 | __le16 aux; | |
635 | /* Followed in plink_confirm by status | |
636 | * code, AID and supported rates, | |
637 | * and directly by supported rates in | |
638 | * plink_open and plink_close | |
639 | */ | |
640 | u8 variable[0]; | |
641 | } __attribute__((packed)) plink_action; | |
642 | struct{ | |
643 | u8 action_code; | |
644 | u8 variable[0]; | |
645 | } __attribute__((packed)) mesh_action; | |
a9de8ce0 JB |
646 | } u; |
647 | } __attribute__ ((packed)) action; | |
648 | } u; | |
649 | } __attribute__ ((packed)); | |
650 | ||
44d414db JB |
651 | /* mgmt header + 1 byte category code */ |
652 | #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) | |
653 | ||
a9de8ce0 JB |
654 | |
655 | /* Control frames */ | |
656 | struct ieee80211_rts { | |
657 | __le16 frame_control; | |
658 | __le16 duration; | |
659 | u8 ra[6]; | |
660 | u8 ta[6]; | |
661 | } __attribute__ ((packed)); | |
662 | ||
663 | struct ieee80211_cts { | |
664 | __le16 frame_control; | |
665 | __le16 duration; | |
666 | u8 ra[6]; | |
667 | } __attribute__ ((packed)); | |
668 | ||
6b4e3241 RR |
669 | /** |
670 | * struct ieee80211_bar - HT Block Ack Request | |
671 | * | |
672 | * This structure refers to "HT BlockAckReq" as | |
673 | * described in 802.11n draft section 7.2.1.7.1 | |
674 | */ | |
675 | struct ieee80211_bar { | |
676 | __le16 frame_control; | |
677 | __le16 duration; | |
678 | __u8 ra[6]; | |
679 | __u8 ta[6]; | |
a8b47ea3 RR |
680 | __le16 control; |
681 | __le16 start_seq_num; | |
6b4e3241 RR |
682 | } __attribute__((packed)); |
683 | ||
429a3805 RR |
684 | /* 802.11 BAR control masks */ |
685 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 | |
686 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 | |
687 | ||
d9fe60de JB |
688 | |
689 | #define IEEE80211_HT_MCS_MASK_LEN 10 | |
690 | ||
691 | /** | |
692 | * struct ieee80211_mcs_info - MCS information | |
693 | * @rx_mask: RX mask | |
694 | * @rx_highest: highest supported RX rate | |
695 | * @tx_params: TX parameters | |
696 | */ | |
697 | struct ieee80211_mcs_info { | |
698 | u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; | |
699 | __le16 rx_highest; | |
700 | u8 tx_params; | |
701 | u8 reserved[3]; | |
702 | } __attribute__((packed)); | |
703 | ||
704 | /* 802.11n HT capability MSC set */ | |
705 | #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff | |
706 | #define IEEE80211_HT_MCS_TX_DEFINED 0x01 | |
707 | #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 | |
708 | /* value 0 == 1 stream etc */ | |
709 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C | |
710 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 | |
711 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 | |
712 | #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 | |
713 | ||
714 | /* | |
715 | * 802.11n D5.0 20.3.5 / 20.6 says: | |
716 | * - indices 0 to 7 and 32 are single spatial stream | |
717 | * - 8 to 31 are multiple spatial streams using equal modulation | |
718 | * [8..15 for two streams, 16..23 for three and 24..31 for four] | |
719 | * - remainder are multiple spatial streams using unequal modulation | |
720 | */ | |
721 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 | |
722 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ | |
723 | (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) | |
724 | ||
6b4e3241 RR |
725 | /** |
726 | * struct ieee80211_ht_cap - HT capabilities | |
727 | * | |
d9fe60de JB |
728 | * This structure is the "HT capabilities element" as |
729 | * described in 802.11n D5.0 7.3.2.57 | |
6b4e3241 RR |
730 | */ |
731 | struct ieee80211_ht_cap { | |
732 | __le16 cap_info; | |
733 | u8 ampdu_params_info; | |
d9fe60de JB |
734 | |
735 | /* 16 bytes MCS information */ | |
736 | struct ieee80211_mcs_info mcs; | |
737 | ||
6b4e3241 RR |
738 | __le16 extended_ht_cap_info; |
739 | __le32 tx_BF_cap_info; | |
740 | u8 antenna_selection_info; | |
741 | } __attribute__ ((packed)); | |
742 | ||
d9fe60de JB |
743 | /* 802.11n HT capabilities masks (for cap_info) */ |
744 | #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 | |
745 | #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 | |
746 | #define IEEE80211_HT_CAP_SM_PS 0x000C | |
747 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 | |
748 | #define IEEE80211_HT_CAP_SGI_20 0x0020 | |
749 | #define IEEE80211_HT_CAP_SGI_40 0x0040 | |
750 | #define IEEE80211_HT_CAP_TX_STBC 0x0080 | |
751 | #define IEEE80211_HT_CAP_RX_STBC 0x0300 | |
752 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 | |
753 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 | |
754 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 | |
755 | #define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000 | |
756 | #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 | |
757 | #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 | |
758 | ||
759 | /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ | |
760 | #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 | |
761 | #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C | |
762 | ||
6b4e3241 | 763 | /** |
d9fe60de | 764 | * struct ieee80211_ht_info - HT information |
6b4e3241 | 765 | * |
d9fe60de JB |
766 | * This structure is the "HT information element" as |
767 | * described in 802.11n D5.0 7.3.2.58 | |
6b4e3241 | 768 | */ |
d9fe60de | 769 | struct ieee80211_ht_info { |
6b4e3241 RR |
770 | u8 control_chan; |
771 | u8 ht_param; | |
772 | __le16 operation_mode; | |
773 | __le16 stbc_param; | |
774 | u8 basic_set[16]; | |
775 | } __attribute__ ((packed)); | |
776 | ||
d9fe60de JB |
777 | /* for ht_param */ |
778 | #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 | |
779 | #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 | |
780 | #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 | |
781 | #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 | |
782 | #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 | |
783 | #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 | |
784 | #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10 | |
785 | #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0 | |
786 | ||
787 | /* for operation_mode */ | |
788 | #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 | |
789 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 | |
790 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 | |
791 | #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 | |
792 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 | |
793 | #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 | |
794 | #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 | |
795 | ||
796 | /* for stbc_param */ | |
797 | #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 | |
798 | #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 | |
799 | #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 | |
800 | #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 | |
801 | #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 | |
802 | #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 | |
803 | ||
a9de8ce0 | 804 | |
44d414db JB |
805 | /* block-ack parameters */ |
806 | #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 | |
807 | #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C | |
808 | #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 | |
809 | #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 | |
810 | #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 | |
811 | ||
812 | /* | |
813 | * A-PMDU buffer sizes | |
814 | * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) | |
815 | */ | |
816 | #define IEEE80211_MIN_AMPDU_BUF 0x8 | |
817 | #define IEEE80211_MAX_AMPDU_BUF 0x40 | |
818 | ||
819 | ||
00c5ae2f TW |
820 | /* Spatial Multiplexing Power Save Modes */ |
821 | #define WLAN_HT_CAP_SM_PS_STATIC 0 | |
822 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 | |
823 | #define WLAN_HT_CAP_SM_PS_INVALID 2 | |
824 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 | |
e53cfe0e | 825 | |
a9de8ce0 JB |
826 | /* Authentication algorithms */ |
827 | #define WLAN_AUTH_OPEN 0 | |
828 | #define WLAN_AUTH_SHARED_KEY 1 | |
72118015 | 829 | #define WLAN_AUTH_LEAP 2 |
a9de8ce0 JB |
830 | |
831 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
832 | ||
833 | #define WLAN_CAPABILITY_ESS (1<<0) | |
834 | #define WLAN_CAPABILITY_IBSS (1<<1) | |
835 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
836 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
837 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
838 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
839 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
840 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
b6623486 | 841 | |
a9de8ce0 JB |
842 | /* 802.11h */ |
843 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) | |
844 | #define WLAN_CAPABILITY_QOS (1<<9) | |
845 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
846 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) | |
b6623486 AK |
847 | /* measurement */ |
848 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) | |
849 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) | |
850 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) | |
851 | ||
852 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 | |
853 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 | |
854 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 | |
855 | ||
a9de8ce0 | 856 | |
5628221c DD |
857 | /* 802.11g ERP information element */ |
858 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
859 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
860 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
861 | ||
862 | /* WLAN_ERP_BARKER_PREAMBLE values */ | |
863 | enum { | |
864 | WLAN_ERP_PREAMBLE_SHORT = 0, | |
865 | WLAN_ERP_PREAMBLE_LONG = 1, | |
866 | }; | |
867 | ||
a9de8ce0 JB |
868 | /* Status codes */ |
869 | enum ieee80211_statuscode { | |
870 | WLAN_STATUS_SUCCESS = 0, | |
871 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
872 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
873 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
874 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
875 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
876 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
877 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
878 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
879 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
880 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
881 | /* 802.11b */ | |
882 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
883 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
884 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
885 | /* 802.11h */ | |
886 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
887 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
888 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
889 | /* 802.11g */ | |
890 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
891 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
892 | /* 802.11i */ | |
893 | WLAN_STATUS_INVALID_IE = 40, | |
894 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
895 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
896 | WLAN_STATUS_INVALID_AKMP = 43, | |
897 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
898 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
899 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
6b4e3241 RR |
900 | /* 802.11e */ |
901 | WLAN_STATUS_UNSPECIFIED_QOS = 32, | |
902 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, | |
903 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, | |
904 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, | |
905 | WLAN_STATUS_REQUEST_DECLINED = 37, | |
906 | WLAN_STATUS_INVALID_QOS_PARAM = 38, | |
907 | WLAN_STATUS_CHANGE_TSPEC = 39, | |
908 | WLAN_STATUS_WAIT_TS_DELAY = 47, | |
909 | WLAN_STATUS_NO_DIRECT_LINK = 48, | |
910 | WLAN_STATUS_STA_NOT_PRESENT = 49, | |
911 | WLAN_STATUS_STA_NOT_QSTA = 50, | |
a9de8ce0 JB |
912 | }; |
913 | ||
914 | ||
915 | /* Reason codes */ | |
916 | enum ieee80211_reasoncode { | |
917 | WLAN_REASON_UNSPECIFIED = 1, | |
918 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
919 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
920 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
921 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
922 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
923 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
924 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
925 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
926 | /* 802.11h */ | |
927 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
928 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
929 | /* 802.11i */ | |
930 | WLAN_REASON_INVALID_IE = 13, | |
931 | WLAN_REASON_MIC_FAILURE = 14, | |
932 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
933 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
934 | WLAN_REASON_IE_DIFFERENT = 17, | |
935 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
936 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
937 | WLAN_REASON_INVALID_AKMP = 20, | |
938 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
939 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
940 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
941 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
6b4e3241 RR |
942 | /* 802.11e */ |
943 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, | |
944 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, | |
945 | WLAN_REASON_DISASSOC_LOW_ACK = 34, | |
946 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, | |
947 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, | |
948 | WLAN_REASON_QSTA_NOT_USE = 37, | |
949 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, | |
950 | WLAN_REASON_QSTA_TIMEOUT = 39, | |
951 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, | |
a9de8ce0 JB |
952 | }; |
953 | ||
954 | ||
955 | /* Information Element IDs */ | |
956 | enum ieee80211_eid { | |
957 | WLAN_EID_SSID = 0, | |
958 | WLAN_EID_SUPP_RATES = 1, | |
959 | WLAN_EID_FH_PARAMS = 2, | |
960 | WLAN_EID_DS_PARAMS = 3, | |
961 | WLAN_EID_CF_PARAMS = 4, | |
962 | WLAN_EID_TIM = 5, | |
963 | WLAN_EID_IBSS_PARAMS = 6, | |
964 | WLAN_EID_CHALLENGE = 16, | |
965 | /* 802.11d */ | |
966 | WLAN_EID_COUNTRY = 7, | |
967 | WLAN_EID_HP_PARAMS = 8, | |
968 | WLAN_EID_HP_TABLE = 9, | |
969 | WLAN_EID_REQUEST = 10, | |
6b4e3241 RR |
970 | /* 802.11e */ |
971 | WLAN_EID_QBSS_LOAD = 11, | |
972 | WLAN_EID_EDCA_PARAM_SET = 12, | |
973 | WLAN_EID_TSPEC = 13, | |
974 | WLAN_EID_TCLAS = 14, | |
975 | WLAN_EID_SCHEDULE = 15, | |
976 | WLAN_EID_TS_DELAY = 43, | |
977 | WLAN_EID_TCLAS_PROCESSING = 44, | |
978 | WLAN_EID_QOS_CAPA = 46, | |
d619ee08 LCC |
979 | /* 802.11s |
980 | * | |
981 | * All mesh EID numbers are pending IEEE 802.11 ANA approval. | |
982 | * The numbers have been incremented from those suggested in | |
983 | * 802.11s/D2.0 so that MESH_CONFIG does not conflict with | |
984 | * EXT_SUPP_RATES. | |
985 | */ | |
986 | WLAN_EID_MESH_CONFIG = 51, | |
987 | WLAN_EID_MESH_ID = 52, | |
988 | WLAN_EID_PEER_LINK = 55, | |
989 | WLAN_EID_PREQ = 68, | |
990 | WLAN_EID_PREP = 69, | |
991 | WLAN_EID_PERR = 70, | |
a9de8ce0 JB |
992 | /* 802.11h */ |
993 | WLAN_EID_PWR_CONSTRAINT = 32, | |
994 | WLAN_EID_PWR_CAPABILITY = 33, | |
995 | WLAN_EID_TPC_REQUEST = 34, | |
996 | WLAN_EID_TPC_REPORT = 35, | |
997 | WLAN_EID_SUPPORTED_CHANNELS = 36, | |
998 | WLAN_EID_CHANNEL_SWITCH = 37, | |
999 | WLAN_EID_MEASURE_REQUEST = 38, | |
1000 | WLAN_EID_MEASURE_REPORT = 39, | |
1001 | WLAN_EID_QUIET = 40, | |
1002 | WLAN_EID_IBSS_DFS = 41, | |
1003 | /* 802.11g */ | |
1004 | WLAN_EID_ERP_INFO = 42, | |
1005 | WLAN_EID_EXT_SUPP_RATES = 50, | |
6b4e3241 RR |
1006 | /* 802.11n */ |
1007 | WLAN_EID_HT_CAPABILITY = 45, | |
d9fe60de | 1008 | WLAN_EID_HT_INFORMATION = 61, |
a9de8ce0 JB |
1009 | /* 802.11i */ |
1010 | WLAN_EID_RSN = 48, | |
1011 | WLAN_EID_WPA = 221, | |
1012 | WLAN_EID_GENERIC = 221, | |
1013 | WLAN_EID_VENDOR_SPECIFIC = 221, | |
1014 | WLAN_EID_QOS_PARAMETER = 222 | |
1015 | }; | |
1016 | ||
6b4e3241 RR |
1017 | /* Action category code */ |
1018 | enum ieee80211_category { | |
1019 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, | |
1020 | WLAN_CATEGORY_QOS = 1, | |
1021 | WLAN_CATEGORY_DLS = 2, | |
1022 | WLAN_CATEGORY_BACK = 3, | |
1023 | WLAN_CATEGORY_WMM = 17, | |
1024 | }; | |
1025 | ||
f2df3859 AK |
1026 | /* SPECTRUM_MGMT action code */ |
1027 | enum ieee80211_spectrum_mgmt_actioncode { | |
1028 | WLAN_ACTION_SPCT_MSR_REQ = 0, | |
1029 | WLAN_ACTION_SPCT_MSR_RPRT = 1, | |
1030 | WLAN_ACTION_SPCT_TPC_REQ = 2, | |
1031 | WLAN_ACTION_SPCT_TPC_RPRT = 3, | |
1032 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, | |
1033 | }; | |
1034 | ||
6b4e3241 RR |
1035 | /* BACK action code */ |
1036 | enum ieee80211_back_actioncode { | |
1037 | WLAN_ACTION_ADDBA_REQ = 0, | |
1038 | WLAN_ACTION_ADDBA_RESP = 1, | |
1039 | WLAN_ACTION_DELBA = 2, | |
1040 | }; | |
1041 | ||
07db2183 RR |
1042 | /* BACK (block-ack) parties */ |
1043 | enum ieee80211_back_parties { | |
1044 | WLAN_BACK_RECIPIENT = 0, | |
1045 | WLAN_BACK_INITIATOR = 1, | |
1046 | WLAN_BACK_TIMER = 2, | |
1047 | }; | |
1048 | ||
6b4e3241 RR |
1049 | /* A-MSDU 802.11n */ |
1050 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 | |
1051 | ||
a9de8ce0 JB |
1052 | /* cipher suite selectors */ |
1053 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 | |
1054 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 | |
1055 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 | |
1056 | /* reserved: 0x000FAC03 */ | |
1057 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 | |
1058 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 | |
1059 | ||
1060 | #define WLAN_MAX_KEY_LEN 32 | |
1061 | ||
fd7c8a40 HH |
1062 | /** |
1063 | * ieee80211_get_qos_ctl - get pointer to qos control bytes | |
1064 | * @hdr: the frame | |
1065 | * | |
1066 | * The qos ctrl bytes come after the frame_control, duration, seq_num | |
1067 | * and 3 or 4 addresses of length ETH_ALEN. | |
1068 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 | |
1069 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 | |
1070 | */ | |
1071 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) | |
1072 | { | |
1073 | if (ieee80211_has_a4(hdr->frame_control)) | |
1074 | return (u8 *)hdr + 30; | |
1075 | else | |
1076 | return (u8 *)hdr + 24; | |
1077 | } | |
1078 | ||
f97df02e JB |
1079 | /** |
1080 | * ieee80211_get_SA - get pointer to SA | |
fd7c8a40 | 1081 | * @hdr: the frame |
f97df02e JB |
1082 | * |
1083 | * Given an 802.11 frame, this function returns the offset | |
1084 | * to the source address (SA). It does not verify that the | |
1085 | * header is long enough to contain the address, and the | |
1086 | * header must be long enough to contain the frame control | |
1087 | * field. | |
f97df02e JB |
1088 | */ |
1089 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) | |
1090 | { | |
fd7c8a40 | 1091 | if (ieee80211_has_a4(hdr->frame_control)) |
5a433b3a | 1092 | return hdr->addr4; |
fd7c8a40 HH |
1093 | if (ieee80211_has_fromds(hdr->frame_control)) |
1094 | return hdr->addr3; | |
1095 | return hdr->addr2; | |
f97df02e JB |
1096 | } |
1097 | ||
1098 | /** | |
1099 | * ieee80211_get_DA - get pointer to DA | |
fd7c8a40 | 1100 | * @hdr: the frame |
f97df02e JB |
1101 | * |
1102 | * Given an 802.11 frame, this function returns the offset | |
1103 | * to the destination address (DA). It does not verify that | |
1104 | * the header is long enough to contain the address, and the | |
1105 | * header must be long enough to contain the frame control | |
1106 | * field. | |
f97df02e JB |
1107 | */ |
1108 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) | |
1109 | { | |
fd7c8a40 | 1110 | if (ieee80211_has_tods(hdr->frame_control)) |
f97df02e | 1111 | return hdr->addr3; |
5a433b3a HH |
1112 | else |
1113 | return hdr->addr1; | |
f97df02e JB |
1114 | } |
1115 | ||
9387b7ca | 1116 | #endif /* LINUX_IEEE80211_H */ |