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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 |
04b7dcf9 JB |
120 | /* 1d tag mask */ |
121 | #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 | |
122 | /* TID mask */ | |
123 | #define IEEE80211_QOS_CTL_TID_MASK 0x000f | |
124 | /* EOSP */ | |
125 | #define IEEE80211_QOS_CTL_EOSP 0x0010 | |
126 | /* ACK policy */ | |
127 | #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 | |
128 | #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 | |
129 | #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 | |
130 | #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 | |
131 | /* A-MSDU 802.11n */ | |
132 | #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 | |
a9de8ce0 | 133 | |
ab13315a KV |
134 | /* U-APSD queue for WMM IEs sent by AP */ |
135 | #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) | |
44316cb1 | 136 | #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f |
ab13315a KV |
137 | |
138 | /* U-APSD queues for WMM IEs sent by STA */ | |
139 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) | |
140 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) | |
141 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) | |
142 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) | |
143 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f | |
144 | ||
145 | /* U-APSD max SP length for WMM IEs sent by STA */ | |
146 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 | |
147 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 | |
148 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 | |
149 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 | |
150 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 | |
151 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 | |
152 | ||
d0dd2de0 AT |
153 | #define IEEE80211_HT_CTL_LEN 4 |
154 | ||
a9de8ce0 JB |
155 | struct ieee80211_hdr { |
156 | __le16 frame_control; | |
157 | __le16 duration_id; | |
158 | u8 addr1[6]; | |
159 | u8 addr2[6]; | |
160 | u8 addr3[6]; | |
161 | __le16 seq_ctrl; | |
162 | u8 addr4[6]; | |
163 | } __attribute__ ((packed)); | |
164 | ||
7044cc56 KV |
165 | struct ieee80211_hdr_3addr { |
166 | __le16 frame_control; | |
167 | __le16 duration_id; | |
168 | u8 addr1[6]; | |
169 | u8 addr2[6]; | |
170 | u8 addr3[6]; | |
171 | __le16 seq_ctrl; | |
172 | } __attribute__ ((packed)); | |
173 | ||
558a6669 KV |
174 | struct ieee80211_qos_hdr { |
175 | __le16 frame_control; | |
176 | __le16 duration_id; | |
177 | u8 addr1[6]; | |
178 | u8 addr2[6]; | |
179 | u8 addr3[6]; | |
180 | __le16 seq_ctrl; | |
181 | __le16 qos_ctrl; | |
182 | } __attribute__ ((packed)); | |
183 | ||
fd7c8a40 HH |
184 | /** |
185 | * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set | |
186 | * @fc: frame control bytes in little-endian byteorder | |
187 | */ | |
188 | static inline int ieee80211_has_tods(__le16 fc) | |
189 | { | |
190 | return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; | |
191 | } | |
192 | ||
193 | /** | |
194 | * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set | |
195 | * @fc: frame control bytes in little-endian byteorder | |
196 | */ | |
197 | static inline int ieee80211_has_fromds(__le16 fc) | |
198 | { | |
199 | return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; | |
200 | } | |
201 | ||
202 | /** | |
203 | * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set | |
204 | * @fc: frame control bytes in little-endian byteorder | |
205 | */ | |
206 | static inline int ieee80211_has_a4(__le16 fc) | |
207 | { | |
208 | __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); | |
209 | return (fc & tmp) == tmp; | |
210 | } | |
211 | ||
212 | /** | |
213 | * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set | |
214 | * @fc: frame control bytes in little-endian byteorder | |
215 | */ | |
216 | static inline int ieee80211_has_morefrags(__le16 fc) | |
217 | { | |
218 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; | |
219 | } | |
220 | ||
221 | /** | |
222 | * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set | |
223 | * @fc: frame control bytes in little-endian byteorder | |
224 | */ | |
225 | static inline int ieee80211_has_retry(__le16 fc) | |
226 | { | |
227 | return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; | |
228 | } | |
229 | ||
230 | /** | |
231 | * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set | |
232 | * @fc: frame control bytes in little-endian byteorder | |
233 | */ | |
234 | static inline int ieee80211_has_pm(__le16 fc) | |
235 | { | |
236 | return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; | |
237 | } | |
238 | ||
239 | /** | |
240 | * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set | |
241 | * @fc: frame control bytes in little-endian byteorder | |
242 | */ | |
243 | static inline int ieee80211_has_moredata(__le16 fc) | |
244 | { | |
245 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; | |
246 | } | |
247 | ||
248 | /** | |
249 | * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set | |
250 | * @fc: frame control bytes in little-endian byteorder | |
251 | */ | |
252 | static inline int ieee80211_has_protected(__le16 fc) | |
253 | { | |
254 | return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; | |
255 | } | |
256 | ||
257 | /** | |
258 | * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set | |
259 | * @fc: frame control bytes in little-endian byteorder | |
260 | */ | |
261 | static inline int ieee80211_has_order(__le16 fc) | |
262 | { | |
263 | return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; | |
264 | } | |
265 | ||
266 | /** | |
267 | * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT | |
268 | * @fc: frame control bytes in little-endian byteorder | |
269 | */ | |
270 | static inline int ieee80211_is_mgmt(__le16 fc) | |
271 | { | |
272 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
273 | cpu_to_le16(IEEE80211_FTYPE_MGMT); | |
274 | } | |
275 | ||
276 | /** | |
277 | * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL | |
278 | * @fc: frame control bytes in little-endian byteorder | |
279 | */ | |
280 | static inline int ieee80211_is_ctl(__le16 fc) | |
281 | { | |
282 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
283 | cpu_to_le16(IEEE80211_FTYPE_CTL); | |
284 | } | |
285 | ||
286 | /** | |
287 | * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA | |
288 | * @fc: frame control bytes in little-endian byteorder | |
289 | */ | |
290 | static inline int ieee80211_is_data(__le16 fc) | |
291 | { | |
292 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == | |
293 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
294 | } | |
295 | ||
296 | /** | |
297 | * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set | |
298 | * @fc: frame control bytes in little-endian byteorder | |
299 | */ | |
300 | static inline int ieee80211_is_data_qos(__le16 fc) | |
301 | { | |
302 | /* | |
303 | * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need | |
304 | * to check the one bit | |
305 | */ | |
306 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == | |
307 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); | |
308 | } | |
309 | ||
310 | /** | |
311 | * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data | |
312 | * @fc: frame control bytes in little-endian byteorder | |
313 | */ | |
314 | static inline int ieee80211_is_data_present(__le16 fc) | |
315 | { | |
316 | /* | |
317 | * mask with 0x40 and test that that bit is clear to only return true | |
318 | * for the data-containing substypes. | |
319 | */ | |
320 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == | |
321 | cpu_to_le16(IEEE80211_FTYPE_DATA); | |
322 | } | |
323 | ||
324 | /** | |
325 | * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ | |
326 | * @fc: frame control bytes in little-endian byteorder | |
327 | */ | |
328 | static inline int ieee80211_is_assoc_req(__le16 fc) | |
329 | { | |
330 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
331 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); | |
332 | } | |
333 | ||
334 | /** | |
335 | * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP | |
336 | * @fc: frame control bytes in little-endian byteorder | |
337 | */ | |
338 | static inline int ieee80211_is_assoc_resp(__le16 fc) | |
339 | { | |
340 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
341 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); | |
342 | } | |
343 | ||
344 | /** | |
345 | * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ | |
346 | * @fc: frame control bytes in little-endian byteorder | |
347 | */ | |
348 | static inline int ieee80211_is_reassoc_req(__le16 fc) | |
349 | { | |
350 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
351 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); | |
352 | } | |
353 | ||
354 | /** | |
355 | * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP | |
356 | * @fc: frame control bytes in little-endian byteorder | |
357 | */ | |
358 | static inline int ieee80211_is_reassoc_resp(__le16 fc) | |
359 | { | |
360 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
361 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); | |
362 | } | |
363 | ||
364 | /** | |
365 | * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ | |
366 | * @fc: frame control bytes in little-endian byteorder | |
367 | */ | |
368 | static inline int ieee80211_is_probe_req(__le16 fc) | |
369 | { | |
370 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
371 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); | |
372 | } | |
373 | ||
374 | /** | |
375 | * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP | |
376 | * @fc: frame control bytes in little-endian byteorder | |
377 | */ | |
378 | static inline int ieee80211_is_probe_resp(__le16 fc) | |
379 | { | |
380 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
381 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); | |
382 | } | |
383 | ||
384 | /** | |
385 | * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON | |
386 | * @fc: frame control bytes in little-endian byteorder | |
387 | */ | |
388 | static inline int ieee80211_is_beacon(__le16 fc) | |
389 | { | |
390 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
391 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); | |
392 | } | |
393 | ||
394 | /** | |
395 | * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM | |
396 | * @fc: frame control bytes in little-endian byteorder | |
397 | */ | |
398 | static inline int ieee80211_is_atim(__le16 fc) | |
399 | { | |
400 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
401 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); | |
402 | } | |
403 | ||
404 | /** | |
405 | * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC | |
406 | * @fc: frame control bytes in little-endian byteorder | |
407 | */ | |
408 | static inline int ieee80211_is_disassoc(__le16 fc) | |
409 | { | |
410 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
411 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); | |
412 | } | |
413 | ||
414 | /** | |
415 | * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH | |
416 | * @fc: frame control bytes in little-endian byteorder | |
417 | */ | |
418 | static inline int ieee80211_is_auth(__le16 fc) | |
419 | { | |
420 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
421 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); | |
422 | } | |
423 | ||
424 | /** | |
425 | * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH | |
426 | * @fc: frame control bytes in little-endian byteorder | |
427 | */ | |
428 | static inline int ieee80211_is_deauth(__le16 fc) | |
429 | { | |
430 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
431 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); | |
432 | } | |
433 | ||
434 | /** | |
435 | * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION | |
436 | * @fc: frame control bytes in little-endian byteorder | |
437 | */ | |
438 | static inline int ieee80211_is_action(__le16 fc) | |
439 | { | |
440 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
441 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); | |
442 | } | |
443 | ||
444 | /** | |
445 | * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ | |
446 | * @fc: frame control bytes in little-endian byteorder | |
447 | */ | |
448 | static inline int ieee80211_is_back_req(__le16 fc) | |
449 | { | |
450 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
451 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); | |
452 | } | |
453 | ||
454 | /** | |
455 | * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK | |
456 | * @fc: frame control bytes in little-endian byteorder | |
457 | */ | |
458 | static inline int ieee80211_is_back(__le16 fc) | |
459 | { | |
460 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
461 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); | |
462 | } | |
463 | ||
464 | /** | |
465 | * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL | |
466 | * @fc: frame control bytes in little-endian byteorder | |
467 | */ | |
468 | static inline int ieee80211_is_pspoll(__le16 fc) | |
469 | { | |
470 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
471 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); | |
472 | } | |
473 | ||
474 | /** | |
475 | * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS | |
476 | * @fc: frame control bytes in little-endian byteorder | |
477 | */ | |
478 | static inline int ieee80211_is_rts(__le16 fc) | |
479 | { | |
480 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
481 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); | |
482 | } | |
483 | ||
484 | /** | |
485 | * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS | |
486 | * @fc: frame control bytes in little-endian byteorder | |
487 | */ | |
488 | static inline int ieee80211_is_cts(__le16 fc) | |
489 | { | |
490 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
491 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); | |
492 | } | |
493 | ||
494 | /** | |
495 | * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK | |
496 | * @fc: frame control bytes in little-endian byteorder | |
497 | */ | |
498 | static inline int ieee80211_is_ack(__le16 fc) | |
499 | { | |
500 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
501 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); | |
502 | } | |
503 | ||
504 | /** | |
505 | * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND | |
506 | * @fc: frame control bytes in little-endian byteorder | |
507 | */ | |
508 | static inline int ieee80211_is_cfend(__le16 fc) | |
509 | { | |
510 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
511 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); | |
512 | } | |
513 | ||
514 | /** | |
515 | * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK | |
516 | * @fc: frame control bytes in little-endian byteorder | |
517 | */ | |
518 | static inline int ieee80211_is_cfendack(__le16 fc) | |
519 | { | |
520 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
521 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); | |
522 | } | |
523 | ||
524 | /** | |
22403def | 525 | * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame |
fd7c8a40 HH |
526 | * @fc: frame control bytes in little-endian byteorder |
527 | */ | |
528 | static inline int ieee80211_is_nullfunc(__le16 fc) | |
529 | { | |
530 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
531 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); | |
532 | } | |
a9de8ce0 | 533 | |
22403def JB |
534 | /** |
535 | * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame | |
536 | * @fc: frame control bytes in little-endian byteorder | |
537 | */ | |
538 | static inline int ieee80211_is_qos_nullfunc(__le16 fc) | |
539 | { | |
540 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == | |
541 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); | |
542 | } | |
543 | ||
37c57989 LCC |
544 | struct ieee80211s_hdr { |
545 | u8 flags; | |
546 | u8 ttl; | |
51ceddad | 547 | __le32 seqnum; |
37c57989 LCC |
548 | u8 eaddr1[6]; |
549 | u8 eaddr2[6]; | |
37c57989 LCC |
550 | } __attribute__ ((packed)); |
551 | ||
79617dee Y |
552 | /* Mesh flags */ |
553 | #define MESH_FLAGS_AE_A4 0x1 | |
554 | #define MESH_FLAGS_AE_A5_A6 0x2 | |
e31a16d6 | 555 | #define MESH_FLAGS_AE 0x3 |
79617dee Y |
556 | #define MESH_FLAGS_PS_DEEP 0x4 |
557 | ||
f2df3859 AK |
558 | /** |
559 | * struct ieee80211_quiet_ie | |
560 | * | |
561 | * This structure refers to "Quiet information element" | |
562 | */ | |
563 | struct ieee80211_quiet_ie { | |
564 | u8 count; | |
565 | u8 period; | |
566 | __le16 duration; | |
567 | __le16 offset; | |
568 | } __attribute__ ((packed)); | |
569 | ||
570 | /** | |
571 | * struct ieee80211_msrment_ie | |
572 | * | |
573 | * This structure refers to "Measurement Request/Report information element" | |
574 | */ | |
575 | struct ieee80211_msrment_ie { | |
576 | u8 token; | |
577 | u8 mode; | |
578 | u8 type; | |
579 | u8 request[0]; | |
580 | } __attribute__ ((packed)); | |
581 | ||
582 | /** | |
583 | * struct ieee80211_channel_sw_ie | |
584 | * | |
585 | * This structure refers to "Channel Switch Announcement information element" | |
586 | */ | |
587 | struct ieee80211_channel_sw_ie { | |
588 | u8 mode; | |
589 | u8 new_ch_num; | |
590 | u8 count; | |
591 | } __attribute__ ((packed)); | |
37c57989 | 592 | |
98f7dfd8 EG |
593 | /** |
594 | * struct ieee80211_tim | |
595 | * | |
596 | * This structure refers to "Traffic Indication Map information element" | |
597 | */ | |
598 | struct ieee80211_tim_ie { | |
599 | u8 dtim_count; | |
600 | u8 dtim_period; | |
601 | u8 bitmap_ctrl; | |
602 | /* variable size: 1 - 251 bytes */ | |
e7ec86f5 | 603 | u8 virtual_map[1]; |
98f7dfd8 EG |
604 | } __attribute__ ((packed)); |
605 | ||
136cfa28 RP |
606 | /** |
607 | * struct ieee80211_meshconf_ie | |
608 | * | |
609 | * This structure refers to "Mesh Configuration information element" | |
610 | */ | |
611 | struct ieee80211_meshconf_ie { | |
612 | u8 meshconf_psel; | |
613 | u8 meshconf_pmetric; | |
614 | u8 meshconf_congest; | |
615 | u8 meshconf_synch; | |
616 | u8 meshconf_auth; | |
617 | u8 meshconf_form; | |
618 | u8 meshconf_cap; | |
619 | } __attribute__ ((packed)); | |
620 | ||
90a5e169 RP |
621 | /** |
622 | * struct ieee80211_rann_ie | |
623 | * | |
624 | * This structure refers to "Root Announcement information element" | |
625 | */ | |
626 | struct ieee80211_rann_ie { | |
627 | u8 rann_flags; | |
628 | u8 rann_hopcount; | |
629 | u8 rann_ttl; | |
630 | u8 rann_addr[6]; | |
631 | u32 rann_seq; | |
632 | u32 rann_metric; | |
633 | } __attribute__ ((packed)); | |
634 | ||
9dfd6ba3 | 635 | #define WLAN_SA_QUERY_TR_ID_LEN 2 |
fea14732 | 636 | |
a9de8ce0 JB |
637 | struct ieee80211_mgmt { |
638 | __le16 frame_control; | |
639 | __le16 duration; | |
640 | u8 da[6]; | |
641 | u8 sa[6]; | |
642 | u8 bssid[6]; | |
643 | __le16 seq_ctrl; | |
644 | union { | |
645 | struct { | |
646 | __le16 auth_alg; | |
647 | __le16 auth_transaction; | |
648 | __le16 status_code; | |
649 | /* possibly followed by Challenge text */ | |
650 | u8 variable[0]; | |
651 | } __attribute__ ((packed)) auth; | |
652 | struct { | |
653 | __le16 reason_code; | |
654 | } __attribute__ ((packed)) deauth; | |
655 | struct { | |
656 | __le16 capab_info; | |
657 | __le16 listen_interval; | |
658 | /* followed by SSID and Supported rates */ | |
659 | u8 variable[0]; | |
660 | } __attribute__ ((packed)) assoc_req; | |
661 | struct { | |
662 | __le16 capab_info; | |
663 | __le16 status_code; | |
664 | __le16 aid; | |
665 | /* followed by Supported rates */ | |
666 | u8 variable[0]; | |
667 | } __attribute__ ((packed)) assoc_resp, reassoc_resp; | |
668 | struct { | |
669 | __le16 capab_info; | |
670 | __le16 listen_interval; | |
671 | u8 current_ap[6]; | |
672 | /* followed by SSID and Supported rates */ | |
673 | u8 variable[0]; | |
674 | } __attribute__ ((packed)) reassoc_req; | |
675 | struct { | |
676 | __le16 reason_code; | |
677 | } __attribute__ ((packed)) disassoc; | |
678 | struct { | |
679 | __le64 timestamp; | |
680 | __le16 beacon_int; | |
681 | __le16 capab_info; | |
682 | /* followed by some of SSID, Supported rates, | |
683 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ | |
684 | u8 variable[0]; | |
685 | } __attribute__ ((packed)) beacon; | |
686 | struct { | |
687 | /* only variable items: SSID, Supported rates */ | |
688 | u8 variable[0]; | |
689 | } __attribute__ ((packed)) probe_req; | |
690 | struct { | |
691 | __le64 timestamp; | |
692 | __le16 beacon_int; | |
693 | __le16 capab_info; | |
694 | /* followed by some of SSID, Supported rates, | |
695 | * FH Params, DS Params, CF Params, IBSS Params */ | |
696 | u8 variable[0]; | |
697 | } __attribute__ ((packed)) probe_resp; | |
698 | struct { | |
699 | u8 category; | |
700 | union { | |
701 | struct { | |
702 | u8 action_code; | |
703 | u8 dialog_token; | |
704 | u8 status_code; | |
705 | u8 variable[0]; | |
706 | } __attribute__ ((packed)) wme_action; | |
707 | struct{ | |
708 | u8 action_code; | |
709 | u8 element_id; | |
710 | u8 length; | |
f2df3859 | 711 | struct ieee80211_channel_sw_ie sw_elem; |
a9de8ce0 | 712 | } __attribute__((packed)) chan_switch; |
f2df3859 AK |
713 | struct{ |
714 | u8 action_code; | |
715 | u8 dialog_token; | |
716 | u8 element_id; | |
717 | u8 length; | |
718 | struct ieee80211_msrment_ie msr_elem; | |
719 | } __attribute__((packed)) measurement; | |
6b4e3241 RR |
720 | struct{ |
721 | u8 action_code; | |
722 | u8 dialog_token; | |
723 | __le16 capab; | |
724 | __le16 timeout; | |
725 | __le16 start_seq_num; | |
726 | } __attribute__((packed)) addba_req; | |
727 | struct{ | |
728 | u8 action_code; | |
729 | u8 dialog_token; | |
730 | __le16 status; | |
731 | __le16 capab; | |
732 | __le16 timeout; | |
733 | } __attribute__((packed)) addba_resp; | |
734 | struct{ | |
735 | u8 action_code; | |
736 | __le16 params; | |
737 | __le16 reason_code; | |
738 | } __attribute__((packed)) delba; | |
37c57989 LCC |
739 | struct{ |
740 | u8 action_code; | |
741 | /* capab_info for open and confirm, | |
742 | * reason for close | |
743 | */ | |
744 | __le16 aux; | |
745 | /* Followed in plink_confirm by status | |
746 | * code, AID and supported rates, | |
747 | * and directly by supported rates in | |
748 | * plink_open and plink_close | |
749 | */ | |
750 | u8 variable[0]; | |
751 | } __attribute__((packed)) plink_action; | |
752 | struct{ | |
753 | u8 action_code; | |
754 | u8 variable[0]; | |
755 | } __attribute__((packed)) mesh_action; | |
fea14732 JM |
756 | struct { |
757 | u8 action; | |
758 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; | |
759 | } __attribute__ ((packed)) sa_query; | |
0f78231b JB |
760 | struct { |
761 | u8 action; | |
762 | u8 smps_control; | |
763 | } __attribute__ ((packed)) ht_smps; | |
a9de8ce0 JB |
764 | } u; |
765 | } __attribute__ ((packed)) action; | |
766 | } u; | |
767 | } __attribute__ ((packed)); | |
768 | ||
44d414db JB |
769 | /* mgmt header + 1 byte category code */ |
770 | #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) | |
771 | ||
a9de8ce0 | 772 | |
765cb46a JM |
773 | /* Management MIC information element (IEEE 802.11w) */ |
774 | struct ieee80211_mmie { | |
775 | u8 element_id; | |
776 | u8 length; | |
777 | __le16 key_id; | |
778 | u8 sequence_number[6]; | |
779 | u8 mic[8]; | |
780 | } __attribute__ ((packed)); | |
781 | ||
a9de8ce0 JB |
782 | /* Control frames */ |
783 | struct ieee80211_rts { | |
784 | __le16 frame_control; | |
785 | __le16 duration; | |
786 | u8 ra[6]; | |
787 | u8 ta[6]; | |
788 | } __attribute__ ((packed)); | |
789 | ||
790 | struct ieee80211_cts { | |
791 | __le16 frame_control; | |
792 | __le16 duration; | |
793 | u8 ra[6]; | |
794 | } __attribute__ ((packed)); | |
795 | ||
fc6971d4 JM |
796 | struct ieee80211_pspoll { |
797 | __le16 frame_control; | |
798 | __le16 aid; | |
799 | u8 bssid[6]; | |
800 | u8 ta[6]; | |
801 | } __attribute__ ((packed)); | |
802 | ||
6b4e3241 RR |
803 | /** |
804 | * struct ieee80211_bar - HT Block Ack Request | |
805 | * | |
806 | * This structure refers to "HT BlockAckReq" as | |
807 | * described in 802.11n draft section 7.2.1.7.1 | |
808 | */ | |
809 | struct ieee80211_bar { | |
810 | __le16 frame_control; | |
811 | __le16 duration; | |
812 | __u8 ra[6]; | |
813 | __u8 ta[6]; | |
a8b47ea3 RR |
814 | __le16 control; |
815 | __le16 start_seq_num; | |
6b4e3241 RR |
816 | } __attribute__((packed)); |
817 | ||
429a3805 RR |
818 | /* 802.11 BAR control masks */ |
819 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 | |
820 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 | |
821 | ||
d9fe60de JB |
822 | |
823 | #define IEEE80211_HT_MCS_MASK_LEN 10 | |
824 | ||
825 | /** | |
826 | * struct ieee80211_mcs_info - MCS information | |
827 | * @rx_mask: RX mask | |
9da3e068 LR |
828 | * @rx_highest: highest supported RX rate. If set represents |
829 | * the highest supported RX data rate in units of 1 Mbps. | |
830 | * If this field is 0 this value should not be used to | |
831 | * consider the highest RX data rate supported. | |
d9fe60de JB |
832 | * @tx_params: TX parameters |
833 | */ | |
834 | struct ieee80211_mcs_info { | |
835 | u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; | |
836 | __le16 rx_highest; | |
837 | u8 tx_params; | |
838 | u8 reserved[3]; | |
839 | } __attribute__((packed)); | |
840 | ||
841 | /* 802.11n HT capability MSC set */ | |
842 | #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff | |
843 | #define IEEE80211_HT_MCS_TX_DEFINED 0x01 | |
844 | #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 | |
845 | /* value 0 == 1 stream etc */ | |
846 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C | |
847 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 | |
848 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 | |
849 | #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 | |
850 | ||
851 | /* | |
852 | * 802.11n D5.0 20.3.5 / 20.6 says: | |
853 | * - indices 0 to 7 and 32 are single spatial stream | |
854 | * - 8 to 31 are multiple spatial streams using equal modulation | |
855 | * [8..15 for two streams, 16..23 for three and 24..31 for four] | |
856 | * - remainder are multiple spatial streams using unequal modulation | |
857 | */ | |
858 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 | |
859 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ | |
860 | (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) | |
861 | ||
6b4e3241 RR |
862 | /** |
863 | * struct ieee80211_ht_cap - HT capabilities | |
864 | * | |
d9fe60de JB |
865 | * This structure is the "HT capabilities element" as |
866 | * described in 802.11n D5.0 7.3.2.57 | |
6b4e3241 RR |
867 | */ |
868 | struct ieee80211_ht_cap { | |
869 | __le16 cap_info; | |
870 | u8 ampdu_params_info; | |
d9fe60de JB |
871 | |
872 | /* 16 bytes MCS information */ | |
873 | struct ieee80211_mcs_info mcs; | |
874 | ||
6b4e3241 RR |
875 | __le16 extended_ht_cap_info; |
876 | __le32 tx_BF_cap_info; | |
877 | u8 antenna_selection_info; | |
878 | } __attribute__ ((packed)); | |
879 | ||
d9fe60de JB |
880 | /* 802.11n HT capabilities masks (for cap_info) */ |
881 | #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 | |
882 | #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 | |
883 | #define IEEE80211_HT_CAP_SM_PS 0x000C | |
0f78231b | 884 | #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 |
d9fe60de JB |
885 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
886 | #define IEEE80211_HT_CAP_SGI_20 0x0020 | |
887 | #define IEEE80211_HT_CAP_SGI_40 0x0040 | |
888 | #define IEEE80211_HT_CAP_TX_STBC 0x0080 | |
889 | #define IEEE80211_HT_CAP_RX_STBC 0x0300 | |
f79d9bad | 890 | #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 |
d9fe60de JB |
891 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
892 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 | |
893 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 | |
9a418af5 | 894 | #define IEEE80211_HT_CAP_RESERVED 0x2000 |
d9fe60de JB |
895 | #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 |
896 | #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 | |
897 | ||
4dd365fd BZ |
898 | /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ |
899 | #define IEEE80211_HT_EXT_CAP_PCO 0x0001 | |
900 | #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 | |
901 | #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 | |
902 | #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 | |
903 | #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 | |
904 | #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 | |
905 | #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 | |
906 | ||
d9fe60de JB |
907 | /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ |
908 | #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 | |
909 | #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C | |
0f78231b | 910 | #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 |
d9fe60de | 911 | |
d1eba248 S |
912 | /* |
913 | * Maximum length of AMPDU that the STA can receive. | |
914 | * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) | |
915 | */ | |
916 | enum ieee80211_max_ampdu_length_exp { | |
917 | IEEE80211_HT_MAX_AMPDU_8K = 0, | |
918 | IEEE80211_HT_MAX_AMPDU_16K = 1, | |
919 | IEEE80211_HT_MAX_AMPDU_32K = 2, | |
920 | IEEE80211_HT_MAX_AMPDU_64K = 3 | |
921 | }; | |
922 | ||
923 | #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 | |
924 | ||
925 | /* Minimum MPDU start spacing */ | |
926 | enum ieee80211_min_mpdu_spacing { | |
927 | IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ | |
928 | IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ | |
929 | IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ | |
930 | IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ | |
931 | IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ | |
932 | IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ | |
933 | IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ | |
934 | IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ | |
935 | }; | |
936 | ||
6b4e3241 | 937 | /** |
d9fe60de | 938 | * struct ieee80211_ht_info - HT information |
6b4e3241 | 939 | * |
d9fe60de JB |
940 | * This structure is the "HT information element" as |
941 | * described in 802.11n D5.0 7.3.2.58 | |
6b4e3241 | 942 | */ |
d9fe60de | 943 | struct ieee80211_ht_info { |
6b4e3241 RR |
944 | u8 control_chan; |
945 | u8 ht_param; | |
946 | __le16 operation_mode; | |
947 | __le16 stbc_param; | |
948 | u8 basic_set[16]; | |
949 | } __attribute__ ((packed)); | |
950 | ||
d9fe60de JB |
951 | /* for ht_param */ |
952 | #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 | |
953 | #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 | |
954 | #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 | |
955 | #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 | |
956 | #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 | |
957 | #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 | |
958 | #define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10 | |
959 | #define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0 | |
960 | ||
961 | /* for operation_mode */ | |
962 | #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 | |
963 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 | |
964 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 | |
965 | #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 | |
966 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 | |
967 | #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 | |
968 | #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 | |
969 | ||
970 | /* for stbc_param */ | |
971 | #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 | |
972 | #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 | |
973 | #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 | |
974 | #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 | |
975 | #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 | |
976 | #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 | |
977 | ||
a9de8ce0 | 978 | |
44d414db JB |
979 | /* block-ack parameters */ |
980 | #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 | |
981 | #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C | |
8d661f1e | 982 | #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 |
44d414db JB |
983 | #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 |
984 | #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 | |
985 | ||
986 | /* | |
987 | * A-PMDU buffer sizes | |
988 | * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) | |
989 | */ | |
990 | #define IEEE80211_MIN_AMPDU_BUF 0x8 | |
991 | #define IEEE80211_MAX_AMPDU_BUF 0x40 | |
992 | ||
993 | ||
0f78231b | 994 | /* Spatial Multiplexing Power Save Modes (for capability) */ |
00c5ae2f TW |
995 | #define WLAN_HT_CAP_SM_PS_STATIC 0 |
996 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 | |
997 | #define WLAN_HT_CAP_SM_PS_INVALID 2 | |
998 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 | |
e53cfe0e | 999 | |
0f78231b JB |
1000 | /* for SM power control field lower two bits */ |
1001 | #define WLAN_HT_SMPS_CONTROL_DISABLED 0 | |
1002 | #define WLAN_HT_SMPS_CONTROL_STATIC 1 | |
1003 | #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 | |
1004 | ||
a9de8ce0 JB |
1005 | /* Authentication algorithms */ |
1006 | #define WLAN_AUTH_OPEN 0 | |
1007 | #define WLAN_AUTH_SHARED_KEY 1 | |
636a5d36 | 1008 | #define WLAN_AUTH_FT 2 |
cfdfa4d3 | 1009 | #define WLAN_AUTH_SAE 3 |
bb608e9d | 1010 | #define WLAN_AUTH_LEAP 128 |
a9de8ce0 JB |
1011 | |
1012 | #define WLAN_AUTH_CHALLENGE_LEN 128 | |
1013 | ||
1014 | #define WLAN_CAPABILITY_ESS (1<<0) | |
1015 | #define WLAN_CAPABILITY_IBSS (1<<1) | |
0a35d36d | 1016 | |
333ba732 EP |
1017 | /* |
1018 | * A mesh STA sets the ESS and IBSS capability bits to zero. | |
1019 | * however, this holds true for p2p probe responses (in the p2p_find | |
1020 | * phase) as well. | |
1021 | */ | |
1022 | #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ | |
0a35d36d JC |
1023 | (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) |
1024 | ||
a9de8ce0 JB |
1025 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) |
1026 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) | |
1027 | #define WLAN_CAPABILITY_PRIVACY (1<<4) | |
1028 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) | |
1029 | #define WLAN_CAPABILITY_PBCC (1<<6) | |
1030 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) | |
b6623486 | 1031 | |
a9de8ce0 JB |
1032 | /* 802.11h */ |
1033 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) | |
1034 | #define WLAN_CAPABILITY_QOS (1<<9) | |
1035 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) | |
1036 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) | |
b6623486 AK |
1037 | /* measurement */ |
1038 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) | |
1039 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) | |
1040 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) | |
1041 | ||
1042 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 | |
1043 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 | |
1044 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 | |
1045 | ||
a9de8ce0 | 1046 | |
5628221c DD |
1047 | /* 802.11g ERP information element */ |
1048 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) | |
1049 | #define WLAN_ERP_USE_PROTECTION (1<<1) | |
1050 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) | |
1051 | ||
1052 | /* WLAN_ERP_BARKER_PREAMBLE values */ | |
1053 | enum { | |
1054 | WLAN_ERP_PREAMBLE_SHORT = 0, | |
1055 | WLAN_ERP_PREAMBLE_LONG = 1, | |
1056 | }; | |
1057 | ||
a9de8ce0 JB |
1058 | /* Status codes */ |
1059 | enum ieee80211_statuscode { | |
1060 | WLAN_STATUS_SUCCESS = 0, | |
1061 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, | |
1062 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, | |
1063 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, | |
1064 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, | |
1065 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, | |
1066 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, | |
1067 | WLAN_STATUS_CHALLENGE_FAIL = 15, | |
1068 | WLAN_STATUS_AUTH_TIMEOUT = 16, | |
1069 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, | |
1070 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, | |
1071 | /* 802.11b */ | |
1072 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, | |
1073 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, | |
1074 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, | |
1075 | /* 802.11h */ | |
1076 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, | |
1077 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, | |
1078 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, | |
1079 | /* 802.11g */ | |
1080 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, | |
1081 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, | |
63a5ab82 JM |
1082 | /* 802.11w */ |
1083 | WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, | |
1084 | WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, | |
a9de8ce0 JB |
1085 | /* 802.11i */ |
1086 | WLAN_STATUS_INVALID_IE = 40, | |
1087 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, | |
1088 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, | |
1089 | WLAN_STATUS_INVALID_AKMP = 43, | |
1090 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, | |
1091 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, | |
1092 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, | |
6b4e3241 RR |
1093 | /* 802.11e */ |
1094 | WLAN_STATUS_UNSPECIFIED_QOS = 32, | |
1095 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, | |
1096 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, | |
1097 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, | |
1098 | WLAN_STATUS_REQUEST_DECLINED = 37, | |
1099 | WLAN_STATUS_INVALID_QOS_PARAM = 38, | |
1100 | WLAN_STATUS_CHANGE_TSPEC = 39, | |
1101 | WLAN_STATUS_WAIT_TS_DELAY = 47, | |
1102 | WLAN_STATUS_NO_DIRECT_LINK = 48, | |
1103 | WLAN_STATUS_STA_NOT_PRESENT = 49, | |
1104 | WLAN_STATUS_STA_NOT_QSTA = 50, | |
cfdfa4d3 S |
1105 | /* 802.11s */ |
1106 | WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, | |
1107 | WLAN_STATUS_FCG_NOT_SUPP = 78, | |
1108 | WLAN_STATUS_STA_NO_TBTT = 78, | |
a9de8ce0 JB |
1109 | }; |
1110 | ||
1111 | ||
1112 | /* Reason codes */ | |
1113 | enum ieee80211_reasoncode { | |
1114 | WLAN_REASON_UNSPECIFIED = 1, | |
1115 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, | |
1116 | WLAN_REASON_DEAUTH_LEAVING = 3, | |
1117 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, | |
1118 | WLAN_REASON_DISASSOC_AP_BUSY = 5, | |
1119 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, | |
1120 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, | |
1121 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, | |
1122 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, | |
1123 | /* 802.11h */ | |
1124 | WLAN_REASON_DISASSOC_BAD_POWER = 10, | |
1125 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, | |
1126 | /* 802.11i */ | |
1127 | WLAN_REASON_INVALID_IE = 13, | |
1128 | WLAN_REASON_MIC_FAILURE = 14, | |
1129 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, | |
1130 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, | |
1131 | WLAN_REASON_IE_DIFFERENT = 17, | |
1132 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, | |
1133 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, | |
1134 | WLAN_REASON_INVALID_AKMP = 20, | |
1135 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, | |
1136 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, | |
1137 | WLAN_REASON_IEEE8021X_FAILED = 23, | |
1138 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, | |
6b4e3241 RR |
1139 | /* 802.11e */ |
1140 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, | |
1141 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, | |
1142 | WLAN_REASON_DISASSOC_LOW_ACK = 34, | |
1143 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, | |
1144 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, | |
1145 | WLAN_REASON_QSTA_NOT_USE = 37, | |
1146 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, | |
1147 | WLAN_REASON_QSTA_TIMEOUT = 39, | |
1148 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, | |
cfdfa4d3 S |
1149 | /* 802.11s */ |
1150 | WLAN_REASON_MESH_PEER_CANCELED = 52, | |
1151 | WLAN_REASON_MESH_MAX_PEERS = 53, | |
1152 | WLAN_REASON_MESH_CONFIG = 54, | |
1153 | WLAN_REASON_MESH_CLOSE = 55, | |
1154 | WLAN_REASON_MESH_MAX_RETRIES = 56, | |
1155 | WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, | |
1156 | WLAN_REASON_MESH_INVALID_GTK = 58, | |
1157 | WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, | |
1158 | WLAN_REASON_MESH_INVALID_SECURITY = 60, | |
1159 | WLAN_REASON_MESH_PATH_ERROR = 61, | |
1160 | WLAN_REASON_MESH_PATH_NOFORWARD = 62, | |
1161 | WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, | |
1162 | WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, | |
1163 | WLAN_REASON_MESH_CHAN_REGULATORY = 65, | |
1164 | WLAN_REASON_MESH_CHAN = 66, | |
a9de8ce0 JB |
1165 | }; |
1166 | ||
1167 | ||
1168 | /* Information Element IDs */ | |
1169 | enum ieee80211_eid { | |
1170 | WLAN_EID_SSID = 0, | |
1171 | WLAN_EID_SUPP_RATES = 1, | |
1172 | WLAN_EID_FH_PARAMS = 2, | |
1173 | WLAN_EID_DS_PARAMS = 3, | |
1174 | WLAN_EID_CF_PARAMS = 4, | |
1175 | WLAN_EID_TIM = 5, | |
1176 | WLAN_EID_IBSS_PARAMS = 6, | |
1177 | WLAN_EID_CHALLENGE = 16, | |
8e664fb3 | 1178 | |
a9de8ce0 JB |
1179 | WLAN_EID_COUNTRY = 7, |
1180 | WLAN_EID_HP_PARAMS = 8, | |
1181 | WLAN_EID_HP_TABLE = 9, | |
1182 | WLAN_EID_REQUEST = 10, | |
8e664fb3 | 1183 | |
6b4e3241 RR |
1184 | WLAN_EID_QBSS_LOAD = 11, |
1185 | WLAN_EID_EDCA_PARAM_SET = 12, | |
1186 | WLAN_EID_TSPEC = 13, | |
1187 | WLAN_EID_TCLAS = 14, | |
1188 | WLAN_EID_SCHEDULE = 15, | |
1189 | WLAN_EID_TS_DELAY = 43, | |
1190 | WLAN_EID_TCLAS_PROCESSING = 44, | |
1191 | WLAN_EID_QOS_CAPA = 46, | |
cfdfa4d3 S |
1192 | /* 802.11s */ |
1193 | WLAN_EID_MESH_CONFIG = 113, | |
1194 | WLAN_EID_MESH_ID = 114, | |
1195 | WLAN_EID_LINK_METRIC_REPORT = 115, | |
1196 | WLAN_EID_CONGESTION_NOTIFICATION = 116, | |
1197 | /* Note that the Peer Link IE has been replaced with the similar | |
1198 | * Peer Management IE. We will keep the former definition until mesh | |
1199 | * code is changed to comply with latest 802.11s drafts. | |
d619ee08 | 1200 | */ |
cfdfa4d3 S |
1201 | WLAN_EID_PEER_LINK = 55, /* no longer in 802.11s drafts */ |
1202 | WLAN_EID_PEER_MGMT = 117, | |
1203 | WLAN_EID_CHAN_SWITCH_PARAM = 118, | |
1204 | WLAN_EID_MESH_AWAKE_WINDOW = 119, | |
1205 | WLAN_EID_BEACON_TIMING = 120, | |
1206 | WLAN_EID_MCCAOP_SETUP_REQ = 121, | |
1207 | WLAN_EID_MCCAOP_SETUP_RESP = 122, | |
1208 | WLAN_EID_MCCAOP_ADVERT = 123, | |
1209 | WLAN_EID_MCCAOP_TEARDOWN = 124, | |
1210 | WLAN_EID_GANN = 125, | |
1211 | WLAN_EID_RANN = 126, | |
1212 | WLAN_EID_PREQ = 130, | |
1213 | WLAN_EID_PREP = 131, | |
1214 | WLAN_EID_PERR = 132, | |
1215 | WLAN_EID_PXU = 137, | |
1216 | WLAN_EID_PXUC = 138, | |
1217 | WLAN_EID_AUTH_MESH_PEER_EXCH = 139, | |
1218 | WLAN_EID_MIC = 140, | |
8e664fb3 | 1219 | |
a9de8ce0 JB |
1220 | WLAN_EID_PWR_CONSTRAINT = 32, |
1221 | WLAN_EID_PWR_CAPABILITY = 33, | |
1222 | WLAN_EID_TPC_REQUEST = 34, | |
1223 | WLAN_EID_TPC_REPORT = 35, | |
1224 | WLAN_EID_SUPPORTED_CHANNELS = 36, | |
1225 | WLAN_EID_CHANNEL_SWITCH = 37, | |
1226 | WLAN_EID_MEASURE_REQUEST = 38, | |
1227 | WLAN_EID_MEASURE_REPORT = 39, | |
1228 | WLAN_EID_QUIET = 40, | |
1229 | WLAN_EID_IBSS_DFS = 41, | |
8e664fb3 | 1230 | |
a9de8ce0 JB |
1231 | WLAN_EID_ERP_INFO = 42, |
1232 | WLAN_EID_EXT_SUPP_RATES = 50, | |
8e664fb3 | 1233 | |
6b4e3241 | 1234 | WLAN_EID_HT_CAPABILITY = 45, |
d9fe60de | 1235 | WLAN_EID_HT_INFORMATION = 61, |
8e664fb3 | 1236 | |
a9de8ce0 | 1237 | WLAN_EID_RSN = 48, |
8e664fb3 | 1238 | WLAN_EID_MMIE = 76, |
a9de8ce0 JB |
1239 | WLAN_EID_WPA = 221, |
1240 | WLAN_EID_GENERIC = 221, | |
1241 | WLAN_EID_VENDOR_SPECIFIC = 221, | |
8e664fb3 JB |
1242 | WLAN_EID_QOS_PARAMETER = 222, |
1243 | ||
1244 | WLAN_EID_AP_CHAN_REPORT = 51, | |
1245 | WLAN_EID_NEIGHBOR_REPORT = 52, | |
1246 | WLAN_EID_RCPI = 53, | |
1247 | WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, | |
1248 | WLAN_EID_ANTENNA_INFO = 64, | |
1249 | WLAN_EID_RSNI = 65, | |
1250 | WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, | |
1251 | WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, | |
1252 | WLAN_EID_BSS_AC_ACCESS_DELAY = 68, | |
1253 | WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, | |
1254 | WLAN_EID_MULTIPLE_BSSID = 71, | |
b7e8941b AK |
1255 | WLAN_EID_BSS_COEX_2040 = 72, |
1256 | WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, | |
1257 | WLAN_EID_EXT_CAPABILITY = 127, | |
8e664fb3 JB |
1258 | |
1259 | WLAN_EID_MOBILITY_DOMAIN = 54, | |
1260 | WLAN_EID_FAST_BSS_TRANSITION = 55, | |
1261 | WLAN_EID_TIMEOUT_INTERVAL = 56, | |
1262 | WLAN_EID_RIC_DATA = 57, | |
1263 | WLAN_EID_RIC_DESCRIPTOR = 75, | |
1264 | ||
1265 | WLAN_EID_DSE_REGISTERED_LOCATION = 58, | |
1266 | WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, | |
1267 | WLAN_EID_EXT_CHANSWITCH_ANN = 60, | |
a9de8ce0 JB |
1268 | }; |
1269 | ||
6b4e3241 RR |
1270 | /* Action category code */ |
1271 | enum ieee80211_category { | |
1272 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, | |
1273 | WLAN_CATEGORY_QOS = 1, | |
1274 | WLAN_CATEGORY_DLS = 2, | |
1275 | WLAN_CATEGORY_BACK = 3, | |
fb733336 | 1276 | WLAN_CATEGORY_PUBLIC = 4, |
528769cf | 1277 | WLAN_CATEGORY_HT = 7, |
fea14732 | 1278 | WLAN_CATEGORY_SA_QUERY = 8, |
528769cf | 1279 | WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, |
cfdfa4d3 S |
1280 | WLAN_CATEGORY_MESH_ACTION = 13, |
1281 | WLAN_CATEGORY_MULTIHOP_ACTION = 14, | |
1282 | WLAN_CATEGORY_SELF_PROTECTED = 15, | |
6b4e3241 | 1283 | WLAN_CATEGORY_WMM = 17, |
d3aaec8a JC |
1284 | /* TODO: remove MESH_PATH_SEL after mesh is updated |
1285 | * to current 802.11s draft */ | |
cfdfa4d3 | 1286 | WLAN_CATEGORY_MESH_PATH_SEL = 32, |
528769cf JM |
1287 | WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, |
1288 | WLAN_CATEGORY_VENDOR_SPECIFIC = 127, | |
6b4e3241 RR |
1289 | }; |
1290 | ||
f2df3859 AK |
1291 | /* SPECTRUM_MGMT action code */ |
1292 | enum ieee80211_spectrum_mgmt_actioncode { | |
1293 | WLAN_ACTION_SPCT_MSR_REQ = 0, | |
1294 | WLAN_ACTION_SPCT_MSR_RPRT = 1, | |
1295 | WLAN_ACTION_SPCT_TPC_REQ = 2, | |
1296 | WLAN_ACTION_SPCT_TPC_RPRT = 3, | |
1297 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, | |
1298 | }; | |
1299 | ||
0f78231b JB |
1300 | /* HT action codes */ |
1301 | enum ieee80211_ht_actioncode { | |
1302 | WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, | |
1303 | WLAN_HT_ACTION_SMPS = 1, | |
1304 | WLAN_HT_ACTION_PSMP = 2, | |
1305 | WLAN_HT_ACTION_PCO_PHASE = 3, | |
1306 | WLAN_HT_ACTION_CSI = 4, | |
1307 | WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, | |
1308 | WLAN_HT_ACTION_COMPRESSED_BF = 6, | |
1309 | WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, | |
1310 | }; | |
1311 | ||
e31a16d6 ZY |
1312 | /* Security key length */ |
1313 | enum ieee80211_key_len { | |
1314 | WLAN_KEY_LEN_WEP40 = 5, | |
1315 | WLAN_KEY_LEN_WEP104 = 13, | |
1316 | WLAN_KEY_LEN_CCMP = 16, | |
1317 | WLAN_KEY_LEN_TKIP = 32, | |
8fc0fee0 | 1318 | WLAN_KEY_LEN_AES_CMAC = 16, |
e31a16d6 ZY |
1319 | }; |
1320 | ||
c80d545d JC |
1321 | /** |
1322 | * enum - mesh path selection protocol identifier | |
1323 | * | |
1324 | * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol | |
1325 | * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will | |
1326 | * be specified in a vendor specific information element | |
1327 | */ | |
1328 | enum { | |
1329 | IEEE80211_PATH_PROTOCOL_HWMP = 0, | |
1330 | IEEE80211_PATH_PROTOCOL_VENDOR = 255, | |
1331 | }; | |
1332 | ||
1333 | /** | |
1334 | * enum - mesh path selection metric identifier | |
1335 | * | |
1336 | * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric | |
1337 | * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be | |
1338 | * specified in a vendor specific information element | |
1339 | */ | |
1340 | enum { | |
1341 | IEEE80211_PATH_METRIC_AIRTIME = 0, | |
1342 | IEEE80211_PATH_METRIC_VENDOR = 255, | |
1343 | }; | |
1344 | ||
1345 | ||
3f2355cb LR |
1346 | /* |
1347 | * IEEE 802.11-2007 7.3.2.9 Country information element | |
1348 | * | |
1349 | * Minimum length is 8 octets, ie len must be evenly | |
1350 | * divisible by 2 | |
1351 | */ | |
1352 | ||
1353 | /* Although the spec says 8 I'm seeing 6 in practice */ | |
1354 | #define IEEE80211_COUNTRY_IE_MIN_LEN 6 | |
1355 | ||
80751e2b BZ |
1356 | /* The Country String field of the element shall be 3 octets in length */ |
1357 | #define IEEE80211_COUNTRY_STRING_LEN 3 | |
1358 | ||
3f2355cb LR |
1359 | /* |
1360 | * For regulatory extension stuff see IEEE 802.11-2007 | |
1361 | * Annex I (page 1141) and Annex J (page 1147). Also | |
1362 | * review 7.3.2.9. | |
1363 | * | |
1364 | * When dot11RegulatoryClassesRequired is true and the | |
1365 | * first_channel/reg_extension_id is >= 201 then the IE | |
1366 | * compromises of the 'ext' struct represented below: | |
1367 | * | |
1368 | * - Regulatory extension ID - when generating IE this just needs | |
1369 | * to be monotonically increasing for each triplet passed in | |
1370 | * the IE | |
1371 | * - Regulatory class - index into set of rules | |
1372 | * - Coverage class - index into air propagation time (Table 7-27), | |
1373 | * in microseconds, you can compute the air propagation time from | |
1374 | * the index by multiplying by 3, so index 10 yields a propagation | |
1375 | * of 10 us. Valid values are 0-31, values 32-255 are not defined | |
1376 | * yet. A value of 0 inicates air propagation of <= 1 us. | |
1377 | * | |
1378 | * See also Table I.2 for Emission limit sets and table | |
1379 | * I.3 for Behavior limit sets. Table J.1 indicates how to map | |
1380 | * a reg_class to an emission limit set and behavior limit set. | |
1381 | */ | |
1382 | #define IEEE80211_COUNTRY_EXTENSION_ID 201 | |
1383 | ||
1384 | /* | |
1385 | * Channels numbers in the IE must be monotonically increasing | |
1386 | * if dot11RegulatoryClassesRequired is not true. | |
1387 | * | |
1388 | * If dot11RegulatoryClassesRequired is true consecutive | |
1389 | * subband triplets following a regulatory triplet shall | |
1390 | * have monotonically increasing first_channel number fields. | |
1391 | * | |
1392 | * Channel numbers shall not overlap. | |
1393 | * | |
1394 | * Note that max_power is signed. | |
1395 | */ | |
1396 | struct ieee80211_country_ie_triplet { | |
1397 | union { | |
1398 | struct { | |
1399 | u8 first_channel; | |
1400 | u8 num_channels; | |
1401 | s8 max_power; | |
1402 | } __attribute__ ((packed)) chans; | |
1403 | struct { | |
1404 | u8 reg_extension_id; | |
1405 | u8 reg_class; | |
1406 | u8 coverage_class; | |
1407 | } __attribute__ ((packed)) ext; | |
1408 | }; | |
1409 | } __attribute__ ((packed)); | |
1410 | ||
f797eb7e JM |
1411 | enum ieee80211_timeout_interval_type { |
1412 | WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, | |
1413 | WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, | |
1414 | WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, | |
1415 | }; | |
1416 | ||
6b4e3241 RR |
1417 | /* BACK action code */ |
1418 | enum ieee80211_back_actioncode { | |
1419 | WLAN_ACTION_ADDBA_REQ = 0, | |
1420 | WLAN_ACTION_ADDBA_RESP = 1, | |
1421 | WLAN_ACTION_DELBA = 2, | |
1422 | }; | |
1423 | ||
07db2183 RR |
1424 | /* BACK (block-ack) parties */ |
1425 | enum ieee80211_back_parties { | |
1426 | WLAN_BACK_RECIPIENT = 0, | |
1427 | WLAN_BACK_INITIATOR = 1, | |
07db2183 RR |
1428 | }; |
1429 | ||
fea14732 JM |
1430 | /* SA Query action */ |
1431 | enum ieee80211_sa_query_action { | |
1432 | WLAN_ACTION_SA_QUERY_REQUEST = 0, | |
1433 | WLAN_ACTION_SA_QUERY_RESPONSE = 1, | |
1434 | }; | |
1435 | ||
1436 | ||
a9de8ce0 JB |
1437 | /* cipher suite selectors */ |
1438 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 | |
1439 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 | |
1440 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 | |
1441 | /* reserved: 0x000FAC03 */ | |
1442 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 | |
1443 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 | |
3cfcf6ac | 1444 | #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 |
a9de8ce0 | 1445 | |
6a669e65 JB |
1446 | /* AKM suite selectors */ |
1447 | #define WLAN_AKM_SUITE_8021X 0x000FAC01 | |
1448 | #define WLAN_AKM_SUITE_PSK 0x000FAC02 | |
cfdfa4d3 S |
1449 | #define WLAN_AKM_SUITE_SAE 0x000FAC08 |
1450 | #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 | |
6a669e65 | 1451 | |
a9de8ce0 JB |
1452 | #define WLAN_MAX_KEY_LEN 32 |
1453 | ||
67fbb16b SO |
1454 | #define WLAN_PMKID_LEN 16 |
1455 | ||
856799d5 KV |
1456 | /* |
1457 | * WMM/802.11e Tspec Element | |
1458 | */ | |
1459 | #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F | |
1460 | #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 | |
1461 | ||
1462 | enum ieee80211_tspec_status_code { | |
1463 | IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, | |
1464 | IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, | |
1465 | }; | |
1466 | ||
1467 | struct ieee80211_tspec_ie { | |
1468 | u8 element_id; | |
1469 | u8 len; | |
1470 | u8 oui[3]; | |
1471 | u8 oui_type; | |
1472 | u8 oui_subtype; | |
1473 | u8 version; | |
1474 | __le16 tsinfo; | |
1475 | u8 tsinfo_resvd; | |
1476 | __le16 nominal_msdu; | |
1477 | __le16 max_msdu; | |
1478 | __le32 min_service_int; | |
1479 | __le32 max_service_int; | |
1480 | __le32 inactivity_int; | |
1481 | __le32 suspension_int; | |
1482 | __le32 service_start_time; | |
1483 | __le32 min_data_rate; | |
1484 | __le32 mean_data_rate; | |
1485 | __le32 peak_data_rate; | |
1486 | __le32 max_burst_size; | |
1487 | __le32 delay_bound; | |
1488 | __le32 min_phy_rate; | |
1489 | __le16 sba; | |
1490 | __le16 medium_time; | |
1491 | } __packed; | |
1492 | ||
fd7c8a40 HH |
1493 | /** |
1494 | * ieee80211_get_qos_ctl - get pointer to qos control bytes | |
1495 | * @hdr: the frame | |
1496 | * | |
1497 | * The qos ctrl bytes come after the frame_control, duration, seq_num | |
1498 | * and 3 or 4 addresses of length ETH_ALEN. | |
1499 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 | |
1500 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 | |
1501 | */ | |
1502 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) | |
1503 | { | |
1504 | if (ieee80211_has_a4(hdr->frame_control)) | |
1505 | return (u8 *)hdr + 30; | |
1506 | else | |
1507 | return (u8 *)hdr + 24; | |
1508 | } | |
1509 | ||
f97df02e JB |
1510 | /** |
1511 | * ieee80211_get_SA - get pointer to SA | |
fd7c8a40 | 1512 | * @hdr: the frame |
f97df02e JB |
1513 | * |
1514 | * Given an 802.11 frame, this function returns the offset | |
1515 | * to the source address (SA). It does not verify that the | |
1516 | * header is long enough to contain the address, and the | |
1517 | * header must be long enough to contain the frame control | |
1518 | * field. | |
f97df02e JB |
1519 | */ |
1520 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) | |
1521 | { | |
fd7c8a40 | 1522 | if (ieee80211_has_a4(hdr->frame_control)) |
5a433b3a | 1523 | return hdr->addr4; |
fd7c8a40 HH |
1524 | if (ieee80211_has_fromds(hdr->frame_control)) |
1525 | return hdr->addr3; | |
1526 | return hdr->addr2; | |
f97df02e JB |
1527 | } |
1528 | ||
1529 | /** | |
1530 | * ieee80211_get_DA - get pointer to DA | |
fd7c8a40 | 1531 | * @hdr: the frame |
f97df02e JB |
1532 | * |
1533 | * Given an 802.11 frame, this function returns the offset | |
1534 | * to the destination address (DA). It does not verify that | |
1535 | * the header is long enough to contain the address, and the | |
1536 | * header must be long enough to contain the frame control | |
1537 | * field. | |
f97df02e JB |
1538 | */ |
1539 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) | |
1540 | { | |
fd7c8a40 | 1541 | if (ieee80211_has_tods(hdr->frame_control)) |
f97df02e | 1542 | return hdr->addr3; |
5a433b3a HH |
1543 | else |
1544 | return hdr->addr1; | |
f97df02e JB |
1545 | } |
1546 | ||
fb733336 JM |
1547 | /** |
1548 | * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame | |
1549 | * @hdr: the frame (buffer must include at least the first octet of payload) | |
1550 | */ | |
1551 | static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) | |
1552 | { | |
1553 | if (ieee80211_is_disassoc(hdr->frame_control) || | |
1554 | ieee80211_is_deauth(hdr->frame_control)) | |
1555 | return true; | |
1556 | ||
1557 | if (ieee80211_is_action(hdr->frame_control)) { | |
1558 | u8 *category; | |
1559 | ||
1560 | /* | |
1561 | * Action frames, excluding Public Action frames, are Robust | |
1562 | * Management Frames. However, if we are looking at a Protected | |
1563 | * frame, skip the check since the data may be encrypted and | |
1564 | * the frame has already been found to be a Robust Management | |
1565 | * Frame (by the other end). | |
1566 | */ | |
1567 | if (ieee80211_has_protected(hdr->frame_control)) | |
1568 | return true; | |
1569 | category = ((u8 *) hdr) + 24; | |
528769cf JM |
1570 | return *category != WLAN_CATEGORY_PUBLIC && |
1571 | *category != WLAN_CATEGORY_HT && | |
8f9cb77d | 1572 | *category != WLAN_CATEGORY_SELF_PROTECTED && |
528769cf | 1573 | *category != WLAN_CATEGORY_VENDOR_SPECIFIC; |
fb733336 JM |
1574 | } |
1575 | ||
1576 | return false; | |
1577 | } | |
1578 | ||
9ee677c2 DK |
1579 | /** |
1580 | * ieee80211_fhss_chan_to_freq - get channel frequency | |
1581 | * @channel: the FHSS channel | |
1582 | * | |
1583 | * Convert IEEE802.11 FHSS channel to frequency (MHz) | |
1584 | * Ref IEEE 802.11-2007 section 14.6 | |
1585 | */ | |
1586 | static inline int ieee80211_fhss_chan_to_freq(int channel) | |
1587 | { | |
1588 | if ((channel > 1) && (channel < 96)) | |
1589 | return channel + 2400; | |
1590 | else | |
1591 | return -1; | |
1592 | } | |
1593 | ||
1594 | /** | |
1595 | * ieee80211_freq_to_fhss_chan - get channel | |
1596 | * @freq: the channels frequency | |
1597 | * | |
1598 | * Convert frequency (MHz) to IEEE802.11 FHSS channel | |
1599 | * Ref IEEE 802.11-2007 section 14.6 | |
1600 | */ | |
1601 | static inline int ieee80211_freq_to_fhss_chan(int freq) | |
1602 | { | |
1603 | if ((freq > 2401) && (freq < 2496)) | |
1604 | return freq - 2400; | |
1605 | else | |
1606 | return -1; | |
1607 | } | |
1608 | ||
1609 | /** | |
1610 | * ieee80211_dsss_chan_to_freq - get channel center frequency | |
1611 | * @channel: the DSSS channel | |
1612 | * | |
1613 | * Convert IEEE802.11 DSSS channel to the center frequency (MHz). | |
1614 | * Ref IEEE 802.11-2007 section 15.6 | |
1615 | */ | |
1616 | static inline int ieee80211_dsss_chan_to_freq(int channel) | |
1617 | { | |
1618 | if ((channel > 0) && (channel < 14)) | |
1619 | return 2407 + (channel * 5); | |
1620 | else if (channel == 14) | |
1621 | return 2484; | |
1622 | else | |
1623 | return -1; | |
1624 | } | |
1625 | ||
1626 | /** | |
1627 | * ieee80211_freq_to_dsss_chan - get channel | |
1628 | * @freq: the frequency | |
1629 | * | |
1630 | * Convert frequency (MHz) to IEEE802.11 DSSS channel | |
1631 | * Ref IEEE 802.11-2007 section 15.6 | |
1632 | * | |
1633 | * This routine selects the channel with the closest center frequency. | |
1634 | */ | |
1635 | static inline int ieee80211_freq_to_dsss_chan(int freq) | |
1636 | { | |
1637 | if ((freq >= 2410) && (freq < 2475)) | |
1638 | return (freq - 2405) / 5; | |
1639 | else if ((freq >= 2482) && (freq < 2487)) | |
1640 | return 14; | |
1641 | else | |
1642 | return -1; | |
1643 | } | |
1644 | ||
1645 | /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back | |
1646 | * Ref IEEE 802.11-2007 section 18.4.6.2 | |
1647 | * | |
1648 | * The channels and frequencies are the same as those defined for DSSS | |
1649 | */ | |
1650 | #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan) | |
1651 | #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq) | |
1652 | ||
1653 | /* Convert IEEE802.11 ERP channel to frequency (MHz) and back | |
1654 | * Ref IEEE 802.11-2007 section 19.4.2 | |
1655 | */ | |
1656 | #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan) | |
1657 | #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq) | |
1658 | ||
1659 | /** | |
1660 | * ieee80211_ofdm_chan_to_freq - get channel center frequency | |
1661 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | |
1662 | * @channel: the OFDM channel | |
1663 | * | |
1664 | * Convert IEEE802.11 OFDM channel to center frequency (MHz) | |
1665 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | |
1666 | */ | |
1667 | static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel) | |
1668 | { | |
1669 | if ((channel > 0) && (channel <= 200) && | |
1670 | (s_freq >= 4000)) | |
1671 | return s_freq + (channel * 5); | |
1672 | else | |
1673 | return -1; | |
1674 | } | |
1675 | ||
1676 | /** | |
1677 | * ieee80211_freq_to_ofdm_channel - get channel | |
1678 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | |
1679 | * @freq: the frequency | |
1680 | * | |
1681 | * Convert frequency (MHz) to IEEE802.11 OFDM channel | |
1682 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | |
1683 | * | |
1684 | * This routine selects the channel with the closest center frequency. | |
1685 | */ | |
1686 | static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq) | |
1687 | { | |
1688 | if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) && | |
1689 | (s_freq >= 4000)) | |
1690 | return (freq + 2 - s_freq) / 5; | |
1691 | else | |
1692 | return -1; | |
1693 | } | |
1694 | ||
10f644a4 JB |
1695 | /** |
1696 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds | |
1697 | * @tu: the TUs | |
1698 | */ | |
1699 | static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) | |
1700 | { | |
1701 | return 1024 * tu; | |
1702 | } | |
1703 | ||
e7ec86f5 JB |
1704 | /** |
1705 | * ieee80211_check_tim - check if AID bit is set in TIM | |
1706 | * @tim: the TIM IE | |
1707 | * @tim_len: length of the TIM IE | |
1708 | * @aid: the AID to look for | |
1709 | */ | |
1710 | static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim, | |
1711 | u8 tim_len, u16 aid) | |
1712 | { | |
1713 | u8 mask; | |
1714 | u8 index, indexn1, indexn2; | |
1715 | ||
1716 | if (unlikely(!tim || tim_len < sizeof(*tim))) | |
1717 | return false; | |
1718 | ||
1719 | aid &= 0x3fff; | |
1720 | index = aid / 8; | |
1721 | mask = 1 << (aid & 7); | |
1722 | ||
1723 | indexn1 = tim->bitmap_ctrl & 0xfe; | |
1724 | indexn2 = tim_len + indexn1 - 4; | |
1725 | ||
1726 | if (index < indexn1 || index > indexn2) | |
1727 | return false; | |
1728 | ||
1729 | index -= indexn1; | |
1730 | ||
1731 | return !!(tim->virtual_map[index] & mask); | |
1732 | } | |
1733 | ||
9387b7ca | 1734 | #endif /* LINUX_IEEE80211_H */ |