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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 | ||
15 | #ifndef IEEE80211_H | |
16 | #define IEEE80211_H | |
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 | ||
f2df3859 AK |
474 | /** |
475 | * struct ieee80211_quiet_ie | |
476 | * | |
477 | * This structure refers to "Quiet information element" | |
478 | */ | |
479 | struct ieee80211_quiet_ie { | |
480 | u8 count; | |
481 | u8 period; | |
482 | __le16 duration; | |
483 | __le16 offset; | |
484 | } __attribute__ ((packed)); | |
485 | ||
486 | /** | |
487 | * struct ieee80211_msrment_ie | |
488 | * | |
489 | * This structure refers to "Measurement Request/Report information element" | |
490 | */ | |
491 | struct ieee80211_msrment_ie { | |
492 | u8 token; | |
493 | u8 mode; | |
494 | u8 type; | |
495 | u8 request[0]; | |
496 | } __attribute__ ((packed)); | |
497 | ||
498 | /** | |
499 | * struct ieee80211_channel_sw_ie | |
500 | * | |
501 | * This structure refers to "Channel Switch Announcement information element" | |
502 | */ | |
503 | struct ieee80211_channel_sw_ie { | |
504 | u8 mode; | |
505 | u8 new_ch_num; | |
506 | u8 count; | |
507 | } __attribute__ ((packed)); | |
37c57989 | 508 | |
98f7dfd8 EG |
509 | /** |
510 | * struct ieee80211_tim | |
511 | * | |
512 | * This structure refers to "Traffic Indication Map information element" | |
513 | */ | |
514 | struct ieee80211_tim_ie { | |
515 | u8 dtim_count; | |
516 | u8 dtim_period; | |
517 | u8 bitmap_ctrl; | |
518 | /* variable size: 1 - 251 bytes */ | |
519 | u8 virtual_map[0]; | |
520 | } __attribute__ ((packed)); | |
521 | ||
a9de8ce0 JB |
522 | struct ieee80211_mgmt { |
523 | __le16 frame_control; | |
524 | __le16 duration; | |
525 | u8 da[6]; | |
526 | u8 sa[6]; | |
527 | u8 bssid[6]; | |
528 | __le16 seq_ctrl; | |
529 | union { | |
530 | struct { | |
531 | __le16 auth_alg; | |
532 | __le16 auth_transaction; | |
533 | __le16 status_code; | |
534 | /* possibly followed by Challenge text */ | |
535 | u8 variable[0]; | |
536 | } __attribute__ ((packed)) auth; | |
537 | struct { | |
538 | __le16 reason_code; | |
539 | } __attribute__ ((packed)) deauth; | |
540 | struct { | |
541 | __le16 capab_info; | |
542 | __le16 listen_interval; | |
543 | /* followed by SSID and Supported rates */ | |
544 | u8 variable[0]; | |
545 | } __attribute__ ((packed)) assoc_req; | |
546 | struct { | |
547 | __le16 capab_info; | |
548 | __le16 status_code; | |
549 | __le16 aid; | |
550 | /* followed by Supported rates */ | |
551 | u8 variable[0]; | |
552 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; | |
553 | struct { | |
554 | __le16 capab_info; | |
555 | __le16 listen_interval; | |
556 | u8 current_ap[6]; | |
557 | /* followed by SSID and Supported rates */ | |
558 | u8 variable[0]; | |
559 | } __attribute__ ((packed)) reassoc_req; | |
560 | struct { | |
561 | __le16 reason_code; | |
562 | } __attribute__ ((packed)) disassoc; | |
563 | struct { | |
564 | __le64 timestamp; | |
565 | __le16 beacon_int; | |
566 | __le16 capab_info; | |
567 | /* followed by some of SSID, Supported rates, | |
568 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ | |
569 | u8 variable[0]; | |
570 | } __attribute__ ((packed)) beacon; | |
571 | struct { | |
572 | /* only variable items: SSID, Supported rates */ | |
573 | u8 variable[0]; | |
574 | } __attribute__ ((packed)) probe_req; | |
575 | struct { | |
576 | __le64 timestamp; | |
577 | __le16 beacon_int; | |
578 | __le16 capab_info; | |
579 | /* followed by some of SSID, Supported rates, | |
580 | * FH Params, DS Params, CF Params, IBSS Params */ | |
581 | u8 variable[0]; | |
582 | } __attribute__ ((packed)) probe_resp; | |
583 | struct { | |
584 | u8 category; | |
585 | union { | |
586 | struct { | |
587 | u8 action_code; | |
588 | u8 dialog_token; | |
589 | u8 status_code; | |
590 | u8 variable[0]; | |
591 | } __attribute__ ((packed)) wme_action; | |
592 | struct{ | |
593 | u8 action_code; | |
594 | u8 element_id; | |
595 | u8 length; | |
f2df3859 | 596 | struct ieee80211_channel_sw_ie sw_elem; |
a9de8ce0 | 597 | } __attribute__((packed)) chan_switch; |
f2df3859 AK |
598 | struct{ |
599 | u8 action_code; | |
600 | u8 dialog_token; | |
601 | u8 element_id; | |
602 | u8 length; | |
603 | struct ieee80211_msrment_ie msr_elem; | |
604 | } __attribute__((packed)) measurement; | |
6b4e3241 RR |
605 | struct{ |
606 | u8 action_code; | |
607 | u8 dialog_token; | |
608 | __le16 capab; | |
609 | __le16 timeout; | |
610 | __le16 start_seq_num; | |
611 | } __attribute__((packed)) addba_req; | |
612 | struct{ | |
613 | u8 action_code; | |
614 | u8 dialog_token; | |
615 | __le16 status; | |
616 | __le16 capab; | |
617 | __le16 timeout; | |
618 | } __attribute__((packed)) addba_resp; | |
619 | struct{ | |
620 | u8 action_code; | |
621 | __le16 params; | |
622 | __le16 reason_code; | |
623 | } __attribute__((packed)) delba; | |
37c57989 LCC |
624 | struct{ |
625 | u8 action_code; | |
626 | /* capab_info for open and confirm, | |
627 | * reason for close | |
628 | */ | |
629 | __le16 aux; | |
630 | /* Followed in plink_confirm by status | |
631 | * code, AID and supported rates, | |
632 | * and directly by supported rates in | |
633 | * plink_open and plink_close | |
634 | */ | |
635 | u8 variable[0]; | |
636 | } __attribute__((packed)) plink_action; | |
637 | struct{ | |
638 | u8 action_code; | |
639 | u8 variable[0]; | |
640 | } __attribute__((packed)) mesh_action; | |
a9de8ce0 JB |
641 | } u; |
642 | } __attribute__ ((packed)) action; | |
643 | } u; | |
644 | } __attribute__ ((packed)); | |
645 | ||
646 | ||
647 | /* Control frames */ | |
648 | struct ieee80211_rts { | |
649 | __le16 frame_control; | |
650 | __le16 duration; | |
651 | u8 ra[6]; | |
652 | u8 ta[6]; | |
653 | } __attribute__ ((packed)); | |
654 | ||
655 | struct ieee80211_cts { | |
656 | __le16 frame_control; | |
657 | __le16 duration; | |
658 | u8 ra[6]; | |
659 | } __attribute__ ((packed)); | |
660 | ||
6b4e3241 RR |
661 | /** |
662 | * struct ieee80211_bar - HT Block Ack Request | |
663 | * | |
664 | * This structure refers to "HT BlockAckReq" as | |
665 | * described in 802.11n draft section 7.2.1.7.1 | |
666 | */ | |
667 | struct ieee80211_bar { | |
668 | __le16 frame_control; | |
669 | __le16 duration; | |
670 | __u8 ra[6]; | |
671 | __u8 ta[6]; | |
a8b47ea3 RR |
672 | __le16 control; |
673 | __le16 start_seq_num; | |
6b4e3241 RR |
674 | } __attribute__((packed)); |
675 | ||
429a3805 RR |
676 | /* 802.11 BAR control masks */ |
677 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 | |
678 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 | |
679 | ||
6b4e3241 RR |
680 | /** |
681 | * struct ieee80211_ht_cap - HT capabilities | |
682 | * | |
683 | * This structure refers to "HT capabilities element" as | |
684 | * described in 802.11n draft section 7.3.2.52 | |
685 | */ | |
686 | struct ieee80211_ht_cap { | |
687 | __le16 cap_info; | |
688 | u8 ampdu_params_info; | |
689 | u8 supp_mcs_set[16]; | |
690 | __le16 extended_ht_cap_info; | |
691 | __le32 tx_BF_cap_info; | |
692 | u8 antenna_selection_info; | |
693 | } __attribute__ ((packed)); | |
694 | ||
695 | /** | |
696 | * struct ieee80211_ht_cap - HT additional information | |
697 | * | |
698 | * This structure refers to "HT information element" as | |
699 | * described in 802.11n draft section 7.3.2.53 | |
700 | */ | |
701 | struct ieee80211_ht_addt_info { | |
702 | u8 control_chan; | |
703 | u8 ht_param; | |
704 | __le16 operation_mode; | |
705 | __le16 stbc_param; | |
706 | u8 basic_set[16]; | |
707 | } __attribute__ ((packed)); | |
708 | ||
709 | /* 802.11n HT capabilities masks */ | |
710 | #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002 | |
00c5ae2f | 711 | #define IEEE80211_HT_CAP_SM_PS 0x000C |
6b4e3241 RR |
712 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
713 | #define IEEE80211_HT_CAP_SGI_20 0x0020 | |
714 | #define IEEE80211_HT_CAP_SGI_40 0x0040 | |
715 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 | |
716 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 | |
18d7c65b | 717 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 |
edcdf8b2 | 718 | /* 802.11n HT capability AMPDU settings */ |
6b4e3241 RR |
719 | #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03 |
720 | #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C | |
edcdf8b2 RR |
721 | /* 802.11n HT capability MSC set */ |
722 | #define IEEE80211_SUPP_MCS_SET_UEQM 4 | |
723 | #define IEEE80211_HT_CAP_MAX_STREAMS 4 | |
724 | #define IEEE80211_SUPP_MCS_SET_LEN 10 | |
725 | /* maximum streams the spec allows */ | |
726 | #define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01 | |
727 | #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02 | |
728 | #define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C | |
729 | #define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10 | |
6b4e3241 RR |
730 | /* 802.11n HT IE masks */ |
731 | #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03 | |
963f5517 | 732 | #define IEEE80211_HT_IE_CHA_SEC_NONE 0x00 |
9306102e EG |
733 | #define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01 |
734 | #define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03 | |
6b4e3241 RR |
735 | #define IEEE80211_HT_IE_CHA_WIDTH 0x04 |
736 | #define IEEE80211_HT_IE_HT_PROTECTION 0x0003 | |
737 | #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 | |
738 | #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 | |
a9de8ce0 | 739 | |
00c5ae2f TW |
740 | /* Spatial Multiplexing Power Save Modes */ |
741 | #define WLAN_HT_CAP_SM_PS_STATIC 0 | |
742 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 | |
743 | #define WLAN_HT_CAP_SM_PS_INVALID 2 | |
744 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 | |
e53cfe0e | 745 | |
a9de8ce0 JB |
746 | /* Authentication algorithms */ |
747 | #define WLAN_AUTH_OPEN 0 | |
748 | #define WLAN_AUTH_SHARED_KEY 1 | |
749 | #define WLAN_AUTH_FAST_BSS_TRANSITION 2 | |
750 | #define WLAN_AUTH_LEAP 128 | |
751 | ||
752 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
753 | ||
754 | #define WLAN_CAPABILITY_ESS (1<<0) | |
755 | #define WLAN_CAPABILITY_IBSS (1<<1) | |
756 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) | |
757 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
758 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
759 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
760 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
761 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
b6623486 | 762 | |
a9de8ce0 JB |
763 | /* 802.11h */ |
764 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) | |
765 | #define WLAN_CAPABILITY_QOS (1<<9) | |
766 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
767 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) | |
b6623486 AK |
768 | /* measurement */ |
769 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) | |
770 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) | |
771 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) | |
772 | ||
773 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 | |
774 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 | |
775 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 | |
776 | ||
a9de8ce0 | 777 | |
5628221c DD |
778 | /* 802.11g ERP information element */ |
779 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
780 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
781 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
782 | ||
783 | /* WLAN_ERP_BARKER_PREAMBLE values */ | |
784 | enum { | |
785 | WLAN_ERP_PREAMBLE_SHORT = 0, | |
786 | WLAN_ERP_PREAMBLE_LONG = 1, | |
787 | }; | |
788 | ||
a9de8ce0 JB |
789 | /* Status codes */ |
790 | enum ieee80211_statuscode { | |
791 | WLAN_STATUS_SUCCESS = 0, | |
792 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
793 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
794 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
795 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
796 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
797 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
798 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
799 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
800 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
801 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
802 | /* 802.11b */ | |
803 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
804 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
805 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
806 | /* 802.11h */ | |
807 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
808 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
809 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
810 | /* 802.11g */ | |
811 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
812 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
813 | /* 802.11i */ | |
814 | WLAN_STATUS_INVALID_IE = 40, | |
815 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
816 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
817 | WLAN_STATUS_INVALID_AKMP = 43, | |
818 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
819 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
820 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
6b4e3241 RR |
821 | /* 802.11e */ |
822 | WLAN_STATUS_UNSPECIFIED_QOS = 32, | |
823 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, | |
824 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, | |
825 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, | |
826 | WLAN_STATUS_REQUEST_DECLINED = 37, | |
827 | WLAN_STATUS_INVALID_QOS_PARAM = 38, | |
828 | WLAN_STATUS_CHANGE_TSPEC = 39, | |
829 | WLAN_STATUS_WAIT_TS_DELAY = 47, | |
830 | WLAN_STATUS_NO_DIRECT_LINK = 48, | |
831 | WLAN_STATUS_STA_NOT_PRESENT = 49, | |
832 | WLAN_STATUS_STA_NOT_QSTA = 50, | |
a9de8ce0 JB |
833 | }; |
834 | ||
835 | ||
836 | /* Reason codes */ | |
837 | enum ieee80211_reasoncode { | |
838 | WLAN_REASON_UNSPECIFIED = 1, | |
839 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
840 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
841 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
842 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
843 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
844 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
845 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
846 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
847 | /* 802.11h */ | |
848 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
849 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
850 | /* 802.11i */ | |
851 | WLAN_REASON_INVALID_IE = 13, | |
852 | WLAN_REASON_MIC_FAILURE = 14, | |
853 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
854 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
855 | WLAN_REASON_IE_DIFFERENT = 17, | |
856 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
857 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
858 | WLAN_REASON_INVALID_AKMP = 20, | |
859 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
860 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
861 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
862 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
6b4e3241 RR |
863 | /* 802.11e */ |
864 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, | |
865 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, | |
866 | WLAN_REASON_DISASSOC_LOW_ACK = 34, | |
867 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, | |
868 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, | |
869 | WLAN_REASON_QSTA_NOT_USE = 37, | |
870 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, | |
871 | WLAN_REASON_QSTA_TIMEOUT = 39, | |
872 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, | |
a9de8ce0 JB |
873 | }; |
874 | ||
875 | ||
876 | /* Information Element IDs */ | |
877 | enum ieee80211_eid { | |
878 | WLAN_EID_SSID = 0, | |
879 | WLAN_EID_SUPP_RATES = 1, | |
880 | WLAN_EID_FH_PARAMS = 2, | |
881 | WLAN_EID_DS_PARAMS = 3, | |
882 | WLAN_EID_CF_PARAMS = 4, | |
883 | WLAN_EID_TIM = 5, | |
884 | WLAN_EID_IBSS_PARAMS = 6, | |
885 | WLAN_EID_CHALLENGE = 16, | |
886 | /* 802.11d */ | |
887 | WLAN_EID_COUNTRY = 7, | |
888 | WLAN_EID_HP_PARAMS = 8, | |
889 | WLAN_EID_HP_TABLE = 9, | |
890 | WLAN_EID_REQUEST = 10, | |
6b4e3241 RR |
891 | /* 802.11e */ |
892 | WLAN_EID_QBSS_LOAD = 11, | |
893 | WLAN_EID_EDCA_PARAM_SET = 12, | |
894 | WLAN_EID_TSPEC = 13, | |
895 | WLAN_EID_TCLAS = 14, | |
896 | WLAN_EID_SCHEDULE = 15, | |
897 | WLAN_EID_TS_DELAY = 43, | |
898 | WLAN_EID_TCLAS_PROCESSING = 44, | |
899 | WLAN_EID_QOS_CAPA = 46, | |
d619ee08 LCC |
900 | /* 802.11s |
901 | * | |
902 | * All mesh EID numbers are pending IEEE 802.11 ANA approval. | |
903 | * The numbers have been incremented from those suggested in | |
904 | * 802.11s/D2.0 so that MESH_CONFIG does not conflict with | |
905 | * EXT_SUPP_RATES. | |
906 | */ | |
907 | WLAN_EID_MESH_CONFIG = 51, | |
908 | WLAN_EID_MESH_ID = 52, | |
909 | WLAN_EID_PEER_LINK = 55, | |
910 | WLAN_EID_PREQ = 68, | |
911 | WLAN_EID_PREP = 69, | |
912 | WLAN_EID_PERR = 70, | |
a9de8ce0 JB |
913 | /* 802.11h */ |
914 | WLAN_EID_PWR_CONSTRAINT = 32, | |
915 | WLAN_EID_PWR_CAPABILITY = 33, | |
916 | WLAN_EID_TPC_REQUEST = 34, | |
917 | WLAN_EID_TPC_REPORT = 35, | |
918 | WLAN_EID_SUPPORTED_CHANNELS = 36, | |
919 | WLAN_EID_CHANNEL_SWITCH = 37, | |
920 | WLAN_EID_MEASURE_REQUEST = 38, | |
921 | WLAN_EID_MEASURE_REPORT = 39, | |
922 | WLAN_EID_QUIET = 40, | |
923 | WLAN_EID_IBSS_DFS = 41, | |
924 | /* 802.11g */ | |
925 | WLAN_EID_ERP_INFO = 42, | |
926 | WLAN_EID_EXT_SUPP_RATES = 50, | |
6b4e3241 RR |
927 | /* 802.11n */ |
928 | WLAN_EID_HT_CAPABILITY = 45, | |
929 | WLAN_EID_HT_EXTRA_INFO = 61, | |
a9de8ce0 JB |
930 | /* 802.11i */ |
931 | WLAN_EID_RSN = 48, | |
932 | WLAN_EID_WPA = 221, | |
933 | WLAN_EID_GENERIC = 221, | |
934 | WLAN_EID_VENDOR_SPECIFIC = 221, | |
935 | WLAN_EID_QOS_PARAMETER = 222 | |
936 | }; | |
937 | ||
6b4e3241 RR |
938 | /* Action category code */ |
939 | enum ieee80211_category { | |
940 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, | |
941 | WLAN_CATEGORY_QOS = 1, | |
942 | WLAN_CATEGORY_DLS = 2, | |
943 | WLAN_CATEGORY_BACK = 3, | |
944 | WLAN_CATEGORY_WMM = 17, | |
945 | }; | |
946 | ||
f2df3859 AK |
947 | /* SPECTRUM_MGMT action code */ |
948 | enum ieee80211_spectrum_mgmt_actioncode { | |
949 | WLAN_ACTION_SPCT_MSR_REQ = 0, | |
950 | WLAN_ACTION_SPCT_MSR_RPRT = 1, | |
951 | WLAN_ACTION_SPCT_TPC_REQ = 2, | |
952 | WLAN_ACTION_SPCT_TPC_RPRT = 3, | |
953 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, | |
954 | }; | |
955 | ||
6b4e3241 RR |
956 | /* BACK action code */ |
957 | enum ieee80211_back_actioncode { | |
958 | WLAN_ACTION_ADDBA_REQ = 0, | |
959 | WLAN_ACTION_ADDBA_RESP = 1, | |
960 | WLAN_ACTION_DELBA = 2, | |
961 | }; | |
962 | ||
07db2183 RR |
963 | /* BACK (block-ack) parties */ |
964 | enum ieee80211_back_parties { | |
965 | WLAN_BACK_RECIPIENT = 0, | |
966 | WLAN_BACK_INITIATOR = 1, | |
967 | WLAN_BACK_TIMER = 2, | |
968 | }; | |
969 | ||
6b4e3241 RR |
970 | /* A-MSDU 802.11n */ |
971 | #define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080 | |
972 | ||
a9de8ce0 JB |
973 | /* cipher suite selectors */ |
974 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 | |
975 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 | |
976 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 | |
977 | /* reserved: 0x000FAC03 */ | |
978 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 | |
979 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 | |
980 | ||
981 | #define WLAN_MAX_KEY_LEN 32 | |
982 | ||
fd7c8a40 HH |
983 | /** |
984 | * ieee80211_get_qos_ctl - get pointer to qos control bytes | |
985 | * @hdr: the frame | |
986 | * | |
987 | * The qos ctrl bytes come after the frame_control, duration, seq_num | |
988 | * and 3 or 4 addresses of length ETH_ALEN. | |
989 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 | |
990 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 | |
991 | */ | |
992 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) | |
993 | { | |
994 | if (ieee80211_has_a4(hdr->frame_control)) | |
995 | return (u8 *)hdr + 30; | |
996 | else | |
997 | return (u8 *)hdr + 24; | |
998 | } | |
999 | ||
f97df02e JB |
1000 | /** |
1001 | * ieee80211_get_SA - get pointer to SA | |
fd7c8a40 | 1002 | * @hdr: the frame |
f97df02e JB |
1003 | * |
1004 | * Given an 802.11 frame, this function returns the offset | |
1005 | * to the source address (SA). It does not verify that the | |
1006 | * header is long enough to contain the address, and the | |
1007 | * header must be long enough to contain the frame control | |
1008 | * field. | |
f97df02e JB |
1009 | */ |
1010 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) | |
1011 | { | |
fd7c8a40 | 1012 | if (ieee80211_has_a4(hdr->frame_control)) |
5a433b3a | 1013 | return hdr->addr4; |
fd7c8a40 HH |
1014 | if (ieee80211_has_fromds(hdr->frame_control)) |
1015 | return hdr->addr3; | |
1016 | return hdr->addr2; | |
f97df02e JB |
1017 | } |
1018 | ||
1019 | /** | |
1020 | * ieee80211_get_DA - get pointer to DA | |
fd7c8a40 | 1021 | * @hdr: the frame |
f97df02e JB |
1022 | * |
1023 | * Given an 802.11 frame, this function returns the offset | |
1024 | * to the destination address (DA). It does not verify that | |
1025 | * the header is long enough to contain the address, and the | |
1026 | * header must be long enough to contain the frame control | |
1027 | * field. | |
f97df02e JB |
1028 | */ |
1029 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) | |
1030 | { | |
fd7c8a40 | 1031 | if (ieee80211_has_tods(hdr->frame_control)) |
f97df02e | 1032 | return hdr->addr3; |
5a433b3a HH |
1033 | else |
1034 | return hdr->addr1; | |
f97df02e JB |
1035 | } |
1036 | ||
a9de8ce0 | 1037 | #endif /* IEEE80211_H */ |