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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 LINUX_IEEE80211_H |
16 | #define LINUX_IEEE80211_H |
17 | |
18 | #include <linux/types.h> |
19 | #include <asm/byteorder.h> |
20 | |
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 | |
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 | #define IEEE80211_FCTL_CTL_EXT 0x0f00 |
51 | |
52 | #define IEEE80211_SCTL_FRAG 0x000F |
53 | #define IEEE80211_SCTL_SEQ 0xFFF0 |
54 | |
55 | #define IEEE80211_FTYPE_MGMT 0x0000 |
56 | #define IEEE80211_FTYPE_CTL 0x0004 |
57 | #define IEEE80211_FTYPE_DATA 0x0008 |
58 | #define IEEE80211_FTYPE_EXT 0x000c |
59 | |
60 | /* management */ |
61 | #define IEEE80211_STYPE_ASSOC_REQ 0x0000 |
62 | #define IEEE80211_STYPE_ASSOC_RESP 0x0010 |
63 | #define IEEE80211_STYPE_REASSOC_REQ 0x0020 |
64 | #define IEEE80211_STYPE_REASSOC_RESP 0x0030 |
65 | #define IEEE80211_STYPE_PROBE_REQ 0x0040 |
66 | #define IEEE80211_STYPE_PROBE_RESP 0x0050 |
67 | #define IEEE80211_STYPE_BEACON 0x0080 |
68 | #define IEEE80211_STYPE_ATIM 0x0090 |
69 | #define IEEE80211_STYPE_DISASSOC 0x00A0 |
70 | #define IEEE80211_STYPE_AUTH 0x00B0 |
71 | #define IEEE80211_STYPE_DEAUTH 0x00C0 |
72 | #define IEEE80211_STYPE_ACTION 0x00D0 |
73 | |
74 | /* control */ |
75 | #define IEEE80211_STYPE_CTL_EXT 0x0060 |
76 | #define IEEE80211_STYPE_BACK_REQ 0x0080 |
77 | #define IEEE80211_STYPE_BACK 0x0090 |
78 | #define IEEE80211_STYPE_PSPOLL 0x00A0 |
79 | #define IEEE80211_STYPE_RTS 0x00B0 |
80 | #define IEEE80211_STYPE_CTS 0x00C0 |
81 | #define IEEE80211_STYPE_ACK 0x00D0 |
82 | #define IEEE80211_STYPE_CFEND 0x00E0 |
83 | #define IEEE80211_STYPE_CFENDACK 0x00F0 |
84 | |
85 | /* data */ |
86 | #define IEEE80211_STYPE_DATA 0x0000 |
87 | #define IEEE80211_STYPE_DATA_CFACK 0x0010 |
88 | #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 |
89 | #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 |
90 | #define IEEE80211_STYPE_NULLFUNC 0x0040 |
91 | #define IEEE80211_STYPE_CFACK 0x0050 |
92 | #define IEEE80211_STYPE_CFPOLL 0x0060 |
93 | #define IEEE80211_STYPE_CFACKPOLL 0x0070 |
94 | #define IEEE80211_STYPE_QOS_DATA 0x0080 |
95 | #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 |
96 | #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 |
97 | #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 |
98 | #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 |
99 | #define IEEE80211_STYPE_QOS_CFACK 0x00D0 |
100 | #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 |
101 | #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 |
102 | |
103 | /* extension, added by 802.11ad */ |
104 | #define IEEE80211_STYPE_DMG_BEACON 0x0000 |
105 | |
106 | /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ |
107 | #define IEEE80211_CTL_EXT_POLL 0x2000 |
108 | #define IEEE80211_CTL_EXT_SPR 0x3000 |
109 | #define IEEE80211_CTL_EXT_GRANT 0x4000 |
110 | #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 |
111 | #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 |
112 | #define IEEE80211_CTL_EXT_SSW 0x8000 |
113 | #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 |
114 | #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 |
115 | |
116 | |
117 | #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) |
118 | #define IEEE80211_MAX_SN IEEE80211_SN_MASK |
119 | #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) |
120 | |
121 | static inline int ieee80211_sn_less(u16 sn1, u16 sn2) |
122 | { |
123 | return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); |
124 | } |
125 | |
126 | static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) |
127 | { |
128 | return (sn1 + sn2) & IEEE80211_SN_MASK; |
129 | } |
130 | |
131 | static inline u16 ieee80211_sn_inc(u16 sn) |
132 | { |
133 | return ieee80211_sn_add(sn, 1); |
134 | } |
135 | |
136 | static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) |
137 | { |
138 | return (sn1 - sn2) & IEEE80211_SN_MASK; |
139 | } |
140 | |
141 | #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
142 | #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
143 | |
144 | /* miscellaneous IEEE 802.11 constants */ |
145 | #define IEEE80211_MAX_FRAG_THRESHOLD 2352 |
146 | #define IEEE80211_MAX_RTS_THRESHOLD 2353 |
147 | #define IEEE80211_MAX_AID 2007 |
148 | #define IEEE80211_MAX_TIM_LEN 251 |
149 | #define IEEE80211_MAX_MESH_PEERINGS 63 |
150 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
151 | 6.2.1.1.2. |
152 | |
153 | 802.11e clarifies the figure in section 7.1.2. The frame body is |
154 | up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ |
155 | #define IEEE80211_MAX_DATA_LEN 2304 |
156 | /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ |
157 | #define IEEE80211_MAX_FRAME_LEN 2352 |
158 | |
159 | #define IEEE80211_MAX_SSID_LEN 32 |
160 | |
161 | #define IEEE80211_MAX_MESH_ID_LEN 32 |
162 | |
163 | #define IEEE80211_NUM_TIDS 16 |
164 | |
165 | #define IEEE80211_QOS_CTL_LEN 2 |
166 | /* 1d tag mask */ |
167 | #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 |
168 | /* TID mask */ |
169 | #define IEEE80211_QOS_CTL_TID_MASK 0x000f |
170 | /* EOSP */ |
171 | #define IEEE80211_QOS_CTL_EOSP 0x0010 |
172 | /* ACK policy */ |
173 | #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 |
174 | #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 |
175 | #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 |
176 | #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 |
177 | #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 |
178 | /* A-MSDU 802.11n */ |
179 | #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 |
180 | /* Mesh Control 802.11s */ |
181 | #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 |
182 | |
183 | /* Mesh Power Save Level */ |
184 | #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 |
185 | /* Mesh Receiver Service Period Initiated */ |
186 | #define IEEE80211_QOS_CTL_RSPI 0x0400 |
187 | |
188 | /* U-APSD queue for WMM IEs sent by AP */ |
189 | #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) |
190 | #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f |
191 | |
192 | /* U-APSD queues for WMM IEs sent by STA */ |
193 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) |
194 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) |
195 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) |
196 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) |
197 | #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f |
198 | |
199 | /* U-APSD max SP length for WMM IEs sent by STA */ |
200 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 |
201 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 |
202 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 |
203 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 |
204 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 |
205 | #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 |
206 | |
207 | #define IEEE80211_HT_CTL_LEN 4 |
208 | |
209 | struct ieee80211_hdr { |
210 | __le16 frame_control; |
211 | __le16 duration_id; |
212 | u8 addr1[6]; |
213 | u8 addr2[6]; |
214 | u8 addr3[6]; |
215 | __le16 seq_ctrl; |
216 | u8 addr4[6]; |
217 | } __packed __aligned(2); |
218 | |
219 | struct ieee80211_hdr_3addr { |
220 | __le16 frame_control; |
221 | __le16 duration_id; |
222 | u8 addr1[6]; |
223 | u8 addr2[6]; |
224 | u8 addr3[6]; |
225 | __le16 seq_ctrl; |
226 | } __packed __aligned(2); |
227 | |
228 | struct ieee80211_qos_hdr { |
229 | __le16 frame_control; |
230 | __le16 duration_id; |
231 | u8 addr1[6]; |
232 | u8 addr2[6]; |
233 | u8 addr3[6]; |
234 | __le16 seq_ctrl; |
235 | __le16 qos_ctrl; |
236 | } __packed __aligned(2); |
237 | |
238 | /** |
239 | * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set |
240 | * @fc: frame control bytes in little-endian byteorder |
241 | */ |
242 | static inline int ieee80211_has_tods(__le16 fc) |
243 | { |
244 | return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; |
245 | } |
246 | |
247 | /** |
248 | * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set |
249 | * @fc: frame control bytes in little-endian byteorder |
250 | */ |
251 | static inline int ieee80211_has_fromds(__le16 fc) |
252 | { |
253 | return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; |
254 | } |
255 | |
256 | /** |
257 | * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set |
258 | * @fc: frame control bytes in little-endian byteorder |
259 | */ |
260 | static inline int ieee80211_has_a4(__le16 fc) |
261 | { |
262 | __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); |
263 | return (fc & tmp) == tmp; |
264 | } |
265 | |
266 | /** |
267 | * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set |
268 | * @fc: frame control bytes in little-endian byteorder |
269 | */ |
270 | static inline int ieee80211_has_morefrags(__le16 fc) |
271 | { |
272 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; |
273 | } |
274 | |
275 | /** |
276 | * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set |
277 | * @fc: frame control bytes in little-endian byteorder |
278 | */ |
279 | static inline int ieee80211_has_retry(__le16 fc) |
280 | { |
281 | return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; |
282 | } |
283 | |
284 | /** |
285 | * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set |
286 | * @fc: frame control bytes in little-endian byteorder |
287 | */ |
288 | static inline int ieee80211_has_pm(__le16 fc) |
289 | { |
290 | return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; |
291 | } |
292 | |
293 | /** |
294 | * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set |
295 | * @fc: frame control bytes in little-endian byteorder |
296 | */ |
297 | static inline int ieee80211_has_moredata(__le16 fc) |
298 | { |
299 | return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; |
300 | } |
301 | |
302 | /** |
303 | * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set |
304 | * @fc: frame control bytes in little-endian byteorder |
305 | */ |
306 | static inline int ieee80211_has_protected(__le16 fc) |
307 | { |
308 | return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; |
309 | } |
310 | |
311 | /** |
312 | * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set |
313 | * @fc: frame control bytes in little-endian byteorder |
314 | */ |
315 | static inline int ieee80211_has_order(__le16 fc) |
316 | { |
317 | return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; |
318 | } |
319 | |
320 | /** |
321 | * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT |
322 | * @fc: frame control bytes in little-endian byteorder |
323 | */ |
324 | static inline int ieee80211_is_mgmt(__le16 fc) |
325 | { |
326 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
327 | cpu_to_le16(IEEE80211_FTYPE_MGMT); |
328 | } |
329 | |
330 | /** |
331 | * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL |
332 | * @fc: frame control bytes in little-endian byteorder |
333 | */ |
334 | static inline int ieee80211_is_ctl(__le16 fc) |
335 | { |
336 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
337 | cpu_to_le16(IEEE80211_FTYPE_CTL); |
338 | } |
339 | |
340 | /** |
341 | * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA |
342 | * @fc: frame control bytes in little-endian byteorder |
343 | */ |
344 | static inline int ieee80211_is_data(__le16 fc) |
345 | { |
346 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == |
347 | cpu_to_le16(IEEE80211_FTYPE_DATA); |
348 | } |
349 | |
350 | /** |
351 | * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set |
352 | * @fc: frame control bytes in little-endian byteorder |
353 | */ |
354 | static inline int ieee80211_is_data_qos(__le16 fc) |
355 | { |
356 | /* |
357 | * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need |
358 | * to check the one bit |
359 | */ |
360 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == |
361 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); |
362 | } |
363 | |
364 | /** |
365 | * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data |
366 | * @fc: frame control bytes in little-endian byteorder |
367 | */ |
368 | static inline int ieee80211_is_data_present(__le16 fc) |
369 | { |
370 | /* |
371 | * mask with 0x40 and test that that bit is clear to only return true |
372 | * for the data-containing substypes. |
373 | */ |
374 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == |
375 | cpu_to_le16(IEEE80211_FTYPE_DATA); |
376 | } |
377 | |
378 | /** |
379 | * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ |
380 | * @fc: frame control bytes in little-endian byteorder |
381 | */ |
382 | static inline int ieee80211_is_assoc_req(__le16 fc) |
383 | { |
384 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
385 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); |
386 | } |
387 | |
388 | /** |
389 | * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP |
390 | * @fc: frame control bytes in little-endian byteorder |
391 | */ |
392 | static inline int ieee80211_is_assoc_resp(__le16 fc) |
393 | { |
394 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
395 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); |
396 | } |
397 | |
398 | /** |
399 | * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ |
400 | * @fc: frame control bytes in little-endian byteorder |
401 | */ |
402 | static inline int ieee80211_is_reassoc_req(__le16 fc) |
403 | { |
404 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
405 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); |
406 | } |
407 | |
408 | /** |
409 | * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP |
410 | * @fc: frame control bytes in little-endian byteorder |
411 | */ |
412 | static inline int ieee80211_is_reassoc_resp(__le16 fc) |
413 | { |
414 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
415 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); |
416 | } |
417 | |
418 | /** |
419 | * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ |
420 | * @fc: frame control bytes in little-endian byteorder |
421 | */ |
422 | static inline int ieee80211_is_probe_req(__le16 fc) |
423 | { |
424 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
425 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); |
426 | } |
427 | |
428 | /** |
429 | * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP |
430 | * @fc: frame control bytes in little-endian byteorder |
431 | */ |
432 | static inline int ieee80211_is_probe_resp(__le16 fc) |
433 | { |
434 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
435 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); |
436 | } |
437 | |
438 | /** |
439 | * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON |
440 | * @fc: frame control bytes in little-endian byteorder |
441 | */ |
442 | static inline int ieee80211_is_beacon(__le16 fc) |
443 | { |
444 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
445 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); |
446 | } |
447 | |
448 | /** |
449 | * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM |
450 | * @fc: frame control bytes in little-endian byteorder |
451 | */ |
452 | static inline int ieee80211_is_atim(__le16 fc) |
453 | { |
454 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
455 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); |
456 | } |
457 | |
458 | /** |
459 | * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC |
460 | * @fc: frame control bytes in little-endian byteorder |
461 | */ |
462 | static inline int ieee80211_is_disassoc(__le16 fc) |
463 | { |
464 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
465 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); |
466 | } |
467 | |
468 | /** |
469 | * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH |
470 | * @fc: frame control bytes in little-endian byteorder |
471 | */ |
472 | static inline int ieee80211_is_auth(__le16 fc) |
473 | { |
474 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
475 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); |
476 | } |
477 | |
478 | /** |
479 | * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH |
480 | * @fc: frame control bytes in little-endian byteorder |
481 | */ |
482 | static inline int ieee80211_is_deauth(__le16 fc) |
483 | { |
484 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
485 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); |
486 | } |
487 | |
488 | /** |
489 | * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION |
490 | * @fc: frame control bytes in little-endian byteorder |
491 | */ |
492 | static inline int ieee80211_is_action(__le16 fc) |
493 | { |
494 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
495 | cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); |
496 | } |
497 | |
498 | /** |
499 | * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ |
500 | * @fc: frame control bytes in little-endian byteorder |
501 | */ |
502 | static inline int ieee80211_is_back_req(__le16 fc) |
503 | { |
504 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
505 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); |
506 | } |
507 | |
508 | /** |
509 | * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK |
510 | * @fc: frame control bytes in little-endian byteorder |
511 | */ |
512 | static inline int ieee80211_is_back(__le16 fc) |
513 | { |
514 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
515 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); |
516 | } |
517 | |
518 | /** |
519 | * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL |
520 | * @fc: frame control bytes in little-endian byteorder |
521 | */ |
522 | static inline int ieee80211_is_pspoll(__le16 fc) |
523 | { |
524 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
525 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); |
526 | } |
527 | |
528 | /** |
529 | * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS |
530 | * @fc: frame control bytes in little-endian byteorder |
531 | */ |
532 | static inline int ieee80211_is_rts(__le16 fc) |
533 | { |
534 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
535 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); |
536 | } |
537 | |
538 | /** |
539 | * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS |
540 | * @fc: frame control bytes in little-endian byteorder |
541 | */ |
542 | static inline int ieee80211_is_cts(__le16 fc) |
543 | { |
544 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
545 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); |
546 | } |
547 | |
548 | /** |
549 | * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK |
550 | * @fc: frame control bytes in little-endian byteorder |
551 | */ |
552 | static inline int ieee80211_is_ack(__le16 fc) |
553 | { |
554 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
555 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); |
556 | } |
557 | |
558 | /** |
559 | * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND |
560 | * @fc: frame control bytes in little-endian byteorder |
561 | */ |
562 | static inline int ieee80211_is_cfend(__le16 fc) |
563 | { |
564 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
565 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); |
566 | } |
567 | |
568 | /** |
569 | * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK |
570 | * @fc: frame control bytes in little-endian byteorder |
571 | */ |
572 | static inline int ieee80211_is_cfendack(__le16 fc) |
573 | { |
574 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
575 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); |
576 | } |
577 | |
578 | /** |
579 | * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame |
580 | * @fc: frame control bytes in little-endian byteorder |
581 | */ |
582 | static inline int ieee80211_is_nullfunc(__le16 fc) |
583 | { |
584 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
585 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); |
586 | } |
587 | |
588 | /** |
589 | * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame |
590 | * @fc: frame control bytes in little-endian byteorder |
591 | */ |
592 | static inline int ieee80211_is_qos_nullfunc(__le16 fc) |
593 | { |
594 | return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == |
595 | cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); |
596 | } |
597 | |
598 | /** |
599 | * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set |
600 | * @seq_ctrl: frame sequence control bytes in little-endian byteorder |
601 | */ |
602 | static inline int ieee80211_is_first_frag(__le16 seq_ctrl) |
603 | { |
604 | return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; |
605 | } |
606 | |
607 | struct ieee80211s_hdr { |
608 | u8 flags; |
609 | u8 ttl; |
610 | __le32 seqnum; |
611 | u8 eaddr1[6]; |
612 | u8 eaddr2[6]; |
613 | } __packed __aligned(2); |
614 | |
615 | /* Mesh flags */ |
616 | #define MESH_FLAGS_AE_A4 0x1 |
617 | #define MESH_FLAGS_AE_A5_A6 0x2 |
618 | #define MESH_FLAGS_AE 0x3 |
619 | #define MESH_FLAGS_PS_DEEP 0x4 |
620 | |
621 | /** |
622 | * enum ieee80211_preq_flags - mesh PREQ element flags |
623 | * |
624 | * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield |
625 | */ |
626 | enum ieee80211_preq_flags { |
627 | IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, |
628 | }; |
629 | |
630 | /** |
631 | * enum ieee80211_preq_target_flags - mesh PREQ element per target flags |
632 | * |
633 | * @IEEE80211_PREQ_TO_FLAG: target only subfield |
634 | * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield |
635 | */ |
636 | enum ieee80211_preq_target_flags { |
637 | IEEE80211_PREQ_TO_FLAG = 1<<0, |
638 | IEEE80211_PREQ_USN_FLAG = 1<<2, |
639 | }; |
640 | |
641 | /** |
642 | * struct ieee80211_quiet_ie |
643 | * |
644 | * This structure refers to "Quiet information element" |
645 | */ |
646 | struct ieee80211_quiet_ie { |
647 | u8 count; |
648 | u8 period; |
649 | __le16 duration; |
650 | __le16 offset; |
651 | } __packed; |
652 | |
653 | /** |
654 | * struct ieee80211_msrment_ie |
655 | * |
656 | * This structure refers to "Measurement Request/Report information element" |
657 | */ |
658 | struct ieee80211_msrment_ie { |
659 | u8 token; |
660 | u8 mode; |
661 | u8 type; |
662 | u8 request[0]; |
663 | } __packed; |
664 | |
665 | /** |
666 | * struct ieee80211_channel_sw_ie |
667 | * |
668 | * This structure refers to "Channel Switch Announcement information element" |
669 | */ |
670 | struct ieee80211_channel_sw_ie { |
671 | u8 mode; |
672 | u8 new_ch_num; |
673 | u8 count; |
674 | } __packed; |
675 | |
676 | /** |
677 | * struct ieee80211_ext_chansw_ie |
678 | * |
679 | * This structure represents the "Extended Channel Switch Announcement element" |
680 | */ |
681 | struct ieee80211_ext_chansw_ie { |
682 | u8 mode; |
683 | u8 new_operating_class; |
684 | u8 new_ch_num; |
685 | u8 count; |
686 | } __packed; |
687 | |
688 | /** |
689 | * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE |
690 | * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* |
691 | * values here |
692 | * This structure represents the "Secondary Channel Offset element" |
693 | */ |
694 | struct ieee80211_sec_chan_offs_ie { |
695 | u8 sec_chan_offs; |
696 | } __packed; |
697 | |
698 | /** |
699 | * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE |
700 | */ |
701 | struct ieee80211_wide_bw_chansw_ie { |
702 | u8 new_channel_width; |
703 | u8 new_center_freq_seg0, new_center_freq_seg1; |
704 | } __packed; |
705 | |
706 | /** |
707 | * struct ieee80211_tim |
708 | * |
709 | * This structure refers to "Traffic Indication Map information element" |
710 | */ |
711 | struct ieee80211_tim_ie { |
712 | u8 dtim_count; |
713 | u8 dtim_period; |
714 | u8 bitmap_ctrl; |
715 | /* variable size: 1 - 251 bytes */ |
716 | u8 virtual_map[1]; |
717 | } __packed; |
718 | |
719 | /** |
720 | * struct ieee80211_meshconf_ie |
721 | * |
722 | * This structure refers to "Mesh Configuration information element" |
723 | */ |
724 | struct ieee80211_meshconf_ie { |
725 | u8 meshconf_psel; |
726 | u8 meshconf_pmetric; |
727 | u8 meshconf_congest; |
728 | u8 meshconf_synch; |
729 | u8 meshconf_auth; |
730 | u8 meshconf_form; |
731 | u8 meshconf_cap; |
732 | } __packed; |
733 | |
734 | /** |
735 | * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags |
736 | * |
737 | * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish |
738 | * additional mesh peerings with other mesh STAs |
739 | * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs |
740 | * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure |
741 | * is ongoing |
742 | * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has |
743 | * neighbors in deep sleep mode |
744 | */ |
745 | enum mesh_config_capab_flags { |
746 | IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, |
747 | IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, |
748 | IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, |
749 | IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, |
750 | }; |
751 | |
752 | /** |
753 | * struct ieee80211_rann_ie |
754 | * |
755 | * This structure refers to "Root Announcement information element" |
756 | */ |
757 | struct ieee80211_rann_ie { |
758 | u8 rann_flags; |
759 | u8 rann_hopcount; |
760 | u8 rann_ttl; |
761 | u8 rann_addr[6]; |
762 | __le32 rann_seq; |
763 | __le32 rann_interval; |
764 | __le32 rann_metric; |
765 | } __packed; |
766 | |
767 | enum ieee80211_rann_flags { |
768 | RANN_FLAG_IS_GATE = 1 << 0, |
769 | }; |
770 | |
771 | enum ieee80211_ht_chanwidth_values { |
772 | IEEE80211_HT_CHANWIDTH_20MHZ = 0, |
773 | IEEE80211_HT_CHANWIDTH_ANY = 1, |
774 | }; |
775 | |
776 | /** |
777 | * enum ieee80211_opmode_bits - VHT operating mode field bits |
778 | * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask |
779 | * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width |
780 | * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width |
781 | * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width |
782 | * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width |
783 | * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask |
784 | * (the NSS value is the value of this field + 1) |
785 | * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift |
786 | * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU |
787 | * using a beamforming steering matrix |
788 | */ |
789 | enum ieee80211_vht_opmode_bits { |
790 | IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, |
791 | IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, |
792 | IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, |
793 | IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, |
794 | IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, |
795 | IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, |
796 | IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, |
797 | IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, |
798 | }; |
799 | |
800 | #define WLAN_SA_QUERY_TR_ID_LEN 2 |
801 | |
802 | struct ieee80211_mgmt { |
803 | __le16 frame_control; |
804 | __le16 duration; |
805 | u8 da[6]; |
806 | u8 sa[6]; |
807 | u8 bssid[6]; |
808 | __le16 seq_ctrl; |
809 | union { |
810 | struct { |
811 | __le16 auth_alg; |
812 | __le16 auth_transaction; |
813 | __le16 status_code; |
814 | /* possibly followed by Challenge text */ |
815 | u8 variable[0]; |
816 | } __packed auth; |
817 | struct { |
818 | __le16 reason_code; |
819 | } __packed deauth; |
820 | struct { |
821 | __le16 capab_info; |
822 | __le16 listen_interval; |
823 | /* followed by SSID and Supported rates */ |
824 | u8 variable[0]; |
825 | } __packed assoc_req; |
826 | struct { |
827 | __le16 capab_info; |
828 | __le16 status_code; |
829 | __le16 aid; |
830 | /* followed by Supported rates */ |
831 | u8 variable[0]; |
832 | } __packed assoc_resp, reassoc_resp; |
833 | struct { |
834 | __le16 capab_info; |
835 | __le16 listen_interval; |
836 | u8 current_ap[6]; |
837 | /* followed by SSID and Supported rates */ |
838 | u8 variable[0]; |
839 | } __packed reassoc_req; |
840 | struct { |
841 | __le16 reason_code; |
842 | } __packed disassoc; |
843 | struct { |
844 | __le64 timestamp; |
845 | __le16 beacon_int; |
846 | __le16 capab_info; |
847 | /* followed by some of SSID, Supported rates, |
848 | * FH Params, DS Params, CF Params, IBSS Params, TIM */ |
849 | u8 variable[0]; |
850 | } __packed beacon; |
851 | struct { |
852 | /* only variable items: SSID, Supported rates */ |
853 | u8 variable[0]; |
854 | } __packed probe_req; |
855 | struct { |
856 | __le64 timestamp; |
857 | __le16 beacon_int; |
858 | __le16 capab_info; |
859 | /* followed by some of SSID, Supported rates, |
860 | * FH Params, DS Params, CF Params, IBSS Params */ |
861 | u8 variable[0]; |
862 | } __packed probe_resp; |
863 | struct { |
864 | u8 category; |
865 | union { |
866 | struct { |
867 | u8 action_code; |
868 | u8 dialog_token; |
869 | u8 status_code; |
870 | u8 variable[0]; |
871 | } __packed wme_action; |
872 | struct{ |
873 | u8 action_code; |
874 | u8 variable[0]; |
875 | } __packed chan_switch; |
876 | struct{ |
877 | u8 action_code; |
878 | struct ieee80211_ext_chansw_ie data; |
879 | u8 variable[0]; |
880 | } __packed ext_chan_switch; |
881 | struct{ |
882 | u8 action_code; |
883 | u8 dialog_token; |
884 | u8 element_id; |
885 | u8 length; |
886 | struct ieee80211_msrment_ie msr_elem; |
887 | } __packed measurement; |
888 | struct{ |
889 | u8 action_code; |
890 | u8 dialog_token; |
891 | __le16 capab; |
892 | __le16 timeout; |
893 | __le16 start_seq_num; |
894 | } __packed addba_req; |
895 | struct{ |
896 | u8 action_code; |
897 | u8 dialog_token; |
898 | __le16 status; |
899 | __le16 capab; |
900 | __le16 timeout; |
901 | } __packed addba_resp; |
902 | struct{ |
903 | u8 action_code; |
904 | __le16 params; |
905 | __le16 reason_code; |
906 | } __packed delba; |
907 | struct { |
908 | u8 action_code; |
909 | u8 variable[0]; |
910 | } __packed self_prot; |
911 | struct{ |
912 | u8 action_code; |
913 | u8 variable[0]; |
914 | } __packed mesh_action; |
915 | struct { |
916 | u8 action; |
917 | u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; |
918 | } __packed sa_query; |
919 | struct { |
920 | u8 action; |
921 | u8 smps_control; |
922 | } __packed ht_smps; |
923 | struct { |
924 | u8 action_code; |
925 | u8 chanwidth; |
926 | } __packed ht_notify_cw; |
927 | struct { |
928 | u8 action_code; |
929 | u8 dialog_token; |
930 | __le16 capability; |
931 | u8 variable[0]; |
932 | } __packed tdls_discover_resp; |
933 | struct { |
934 | u8 action_code; |
935 | u8 operating_mode; |
936 | } __packed vht_opmode_notif; |
937 | } u; |
938 | } __packed action; |
939 | } u; |
940 | } __packed __aligned(2); |
941 | |
942 | /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ |
943 | #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 |
944 | |
945 | /* mgmt header + 1 byte category code */ |
946 | #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) |
947 | |
948 | |
949 | /* Management MIC information element (IEEE 802.11w) */ |
950 | struct ieee80211_mmie { |
951 | u8 element_id; |
952 | u8 length; |
953 | __le16 key_id; |
954 | u8 sequence_number[6]; |
955 | u8 mic[8]; |
956 | } __packed; |
957 | |
958 | struct ieee80211_vendor_ie { |
959 | u8 element_id; |
960 | u8 len; |
961 | u8 oui[3]; |
962 | u8 oui_type; |
963 | } __packed; |
964 | |
965 | /* Control frames */ |
966 | struct ieee80211_rts { |
967 | __le16 frame_control; |
968 | __le16 duration; |
969 | u8 ra[6]; |
970 | u8 ta[6]; |
971 | } __packed __aligned(2); |
972 | |
973 | struct ieee80211_cts { |
974 | __le16 frame_control; |
975 | __le16 duration; |
976 | u8 ra[6]; |
977 | } __packed __aligned(2); |
978 | |
979 | struct ieee80211_pspoll { |
980 | __le16 frame_control; |
981 | __le16 aid; |
982 | u8 bssid[6]; |
983 | u8 ta[6]; |
984 | } __packed __aligned(2); |
985 | |
986 | /* TDLS */ |
987 | |
988 | /* Link-id information element */ |
989 | struct ieee80211_tdls_lnkie { |
990 | u8 ie_type; /* Link Identifier IE */ |
991 | u8 ie_len; |
992 | u8 bssid[6]; |
993 | u8 init_sta[6]; |
994 | u8 resp_sta[6]; |
995 | } __packed; |
996 | |
997 | struct ieee80211_tdls_data { |
998 | u8 da[6]; |
999 | u8 sa[6]; |
1000 | __be16 ether_type; |
1001 | u8 payload_type; |
1002 | u8 category; |
1003 | u8 action_code; |
1004 | union { |
1005 | struct { |
1006 | u8 dialog_token; |
1007 | __le16 capability; |
1008 | u8 variable[0]; |
1009 | } __packed setup_req; |
1010 | struct { |
1011 | __le16 status_code; |
1012 | u8 dialog_token; |
1013 | __le16 capability; |
1014 | u8 variable[0]; |
1015 | } __packed setup_resp; |
1016 | struct { |
1017 | __le16 status_code; |
1018 | u8 dialog_token; |
1019 | u8 variable[0]; |
1020 | } __packed setup_cfm; |
1021 | struct { |
1022 | __le16 reason_code; |
1023 | u8 variable[0]; |
1024 | } __packed teardown; |
1025 | struct { |
1026 | u8 dialog_token; |
1027 | u8 variable[0]; |
1028 | } __packed discover_req; |
1029 | } u; |
1030 | } __packed; |
1031 | |
1032 | /* |
1033 | * Peer-to-Peer IE attribute related definitions. |
1034 | */ |
1035 | /** |
1036 | * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. |
1037 | */ |
1038 | enum ieee80211_p2p_attr_id { |
1039 | IEEE80211_P2P_ATTR_STATUS = 0, |
1040 | IEEE80211_P2P_ATTR_MINOR_REASON, |
1041 | IEEE80211_P2P_ATTR_CAPABILITY, |
1042 | IEEE80211_P2P_ATTR_DEVICE_ID, |
1043 | IEEE80211_P2P_ATTR_GO_INTENT, |
1044 | IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, |
1045 | IEEE80211_P2P_ATTR_LISTEN_CHANNEL, |
1046 | IEEE80211_P2P_ATTR_GROUP_BSSID, |
1047 | IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, |
1048 | IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, |
1049 | IEEE80211_P2P_ATTR_MANAGABILITY, |
1050 | IEEE80211_P2P_ATTR_CHANNEL_LIST, |
1051 | IEEE80211_P2P_ATTR_ABSENCE_NOTICE, |
1052 | IEEE80211_P2P_ATTR_DEVICE_INFO, |
1053 | IEEE80211_P2P_ATTR_GROUP_INFO, |
1054 | IEEE80211_P2P_ATTR_GROUP_ID, |
1055 | IEEE80211_P2P_ATTR_INTERFACE, |
1056 | IEEE80211_P2P_ATTR_OPER_CHANNEL, |
1057 | IEEE80211_P2P_ATTR_INVITE_FLAGS, |
1058 | /* 19 - 220: Reserved */ |
1059 | IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, |
1060 | |
1061 | IEEE80211_P2P_ATTR_MAX |
1062 | }; |
1063 | |
1064 | /* Notice of Absence attribute - described in P2P spec 4.1.14 */ |
1065 | /* Typical max value used here */ |
1066 | #define IEEE80211_P2P_NOA_DESC_MAX 4 |
1067 | |
1068 | struct ieee80211_p2p_noa_desc { |
1069 | u8 count; |
1070 | __le32 duration; |
1071 | __le32 interval; |
1072 | __le32 start_time; |
1073 | } __packed; |
1074 | |
1075 | struct ieee80211_p2p_noa_attr { |
1076 | u8 index; |
1077 | u8 oppps_ctwindow; |
1078 | struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; |
1079 | } __packed; |
1080 | |
1081 | #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) |
1082 | #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F |
1083 | |
1084 | /** |
1085 | * struct ieee80211_bar - HT Block Ack Request |
1086 | * |
1087 | * This structure refers to "HT BlockAckReq" as |
1088 | * described in 802.11n draft section 7.2.1.7.1 |
1089 | */ |
1090 | struct ieee80211_bar { |
1091 | __le16 frame_control; |
1092 | __le16 duration; |
1093 | __u8 ra[6]; |
1094 | __u8 ta[6]; |
1095 | __le16 control; |
1096 | __le16 start_seq_num; |
1097 | } __packed; |
1098 | |
1099 | /* 802.11 BAR control masks */ |
1100 | #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 |
1101 | #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 |
1102 | #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 |
1103 | #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 |
1104 | #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 |
1105 | |
1106 | #define IEEE80211_HT_MCS_MASK_LEN 10 |
1107 | |
1108 | /** |
1109 | * struct ieee80211_mcs_info - MCS information |
1110 | * @rx_mask: RX mask |
1111 | * @rx_highest: highest supported RX rate. If set represents |
1112 | * the highest supported RX data rate in units of 1 Mbps. |
1113 | * If this field is 0 this value should not be used to |
1114 | * consider the highest RX data rate supported. |
1115 | * @tx_params: TX parameters |
1116 | */ |
1117 | struct ieee80211_mcs_info { |
1118 | u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; |
1119 | __le16 rx_highest; |
1120 | u8 tx_params; |
1121 | u8 reserved[3]; |
1122 | } __packed; |
1123 | |
1124 | /* 802.11n HT capability MSC set */ |
1125 | #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff |
1126 | #define IEEE80211_HT_MCS_TX_DEFINED 0x01 |
1127 | #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 |
1128 | /* value 0 == 1 stream etc */ |
1129 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C |
1130 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 |
1131 | #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 |
1132 | #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 |
1133 | |
1134 | /* |
1135 | * 802.11n D5.0 20.3.5 / 20.6 says: |
1136 | * - indices 0 to 7 and 32 are single spatial stream |
1137 | * - 8 to 31 are multiple spatial streams using equal modulation |
1138 | * [8..15 for two streams, 16..23 for three and 24..31 for four] |
1139 | * - remainder are multiple spatial streams using unequal modulation |
1140 | */ |
1141 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 |
1142 | #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ |
1143 | (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) |
1144 | |
1145 | /** |
1146 | * struct ieee80211_ht_cap - HT capabilities |
1147 | * |
1148 | * This structure is the "HT capabilities element" as |
1149 | * described in 802.11n D5.0 7.3.2.57 |
1150 | */ |
1151 | struct ieee80211_ht_cap { |
1152 | __le16 cap_info; |
1153 | u8 ampdu_params_info; |
1154 | |
1155 | /* 16 bytes MCS information */ |
1156 | struct ieee80211_mcs_info mcs; |
1157 | |
1158 | __le16 extended_ht_cap_info; |
1159 | __le32 tx_BF_cap_info; |
1160 | u8 antenna_selection_info; |
1161 | } __packed; |
1162 | |
1163 | /* 802.11n HT capabilities masks (for cap_info) */ |
1164 | #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 |
1165 | #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 |
1166 | #define IEEE80211_HT_CAP_SM_PS 0x000C |
1167 | #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 |
1168 | #define IEEE80211_HT_CAP_GRN_FLD 0x0010 |
1169 | #define IEEE80211_HT_CAP_SGI_20 0x0020 |
1170 | #define IEEE80211_HT_CAP_SGI_40 0x0040 |
1171 | #define IEEE80211_HT_CAP_TX_STBC 0x0080 |
1172 | #define IEEE80211_HT_CAP_RX_STBC 0x0300 |
1173 | #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 |
1174 | #define IEEE80211_HT_CAP_DELAY_BA 0x0400 |
1175 | #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 |
1176 | #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 |
1177 | #define IEEE80211_HT_CAP_RESERVED 0x2000 |
1178 | #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 |
1179 | #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 |
1180 | |
1181 | /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ |
1182 | #define IEEE80211_HT_EXT_CAP_PCO 0x0001 |
1183 | #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 |
1184 | #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 |
1185 | #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 |
1186 | #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 |
1187 | #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 |
1188 | #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 |
1189 | |
1190 | /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ |
1191 | #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 |
1192 | #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C |
1193 | #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 |
1194 | |
1195 | /* |
1196 | * Maximum length of AMPDU that the STA can receive. |
1197 | * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) |
1198 | */ |
1199 | enum ieee80211_max_ampdu_length_exp { |
1200 | IEEE80211_HT_MAX_AMPDU_8K = 0, |
1201 | IEEE80211_HT_MAX_AMPDU_16K = 1, |
1202 | IEEE80211_HT_MAX_AMPDU_32K = 2, |
1203 | IEEE80211_HT_MAX_AMPDU_64K = 3 |
1204 | }; |
1205 | |
1206 | #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 |
1207 | |
1208 | /* Minimum MPDU start spacing */ |
1209 | enum ieee80211_min_mpdu_spacing { |
1210 | IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ |
1211 | IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ |
1212 | IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ |
1213 | IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ |
1214 | IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ |
1215 | IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ |
1216 | IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ |
1217 | IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ |
1218 | }; |
1219 | |
1220 | /** |
1221 | * struct ieee80211_ht_operation - HT operation IE |
1222 | * |
1223 | * This structure is the "HT operation element" as |
1224 | * described in 802.11n-2009 7.3.2.57 |
1225 | */ |
1226 | struct ieee80211_ht_operation { |
1227 | u8 primary_chan; |
1228 | u8 ht_param; |
1229 | __le16 operation_mode; |
1230 | __le16 stbc_param; |
1231 | u8 basic_set[16]; |
1232 | } __packed; |
1233 | |
1234 | /* for ht_param */ |
1235 | #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 |
1236 | #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 |
1237 | #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 |
1238 | #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 |
1239 | #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 |
1240 | #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 |
1241 | |
1242 | /* for operation_mode */ |
1243 | #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 |
1244 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 |
1245 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 |
1246 | #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 |
1247 | #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 |
1248 | #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 |
1249 | #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 |
1250 | |
1251 | /* for stbc_param */ |
1252 | #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 |
1253 | #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 |
1254 | #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 |
1255 | #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 |
1256 | #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 |
1257 | #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 |
1258 | |
1259 | |
1260 | /* block-ack parameters */ |
1261 | #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 |
1262 | #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C |
1263 | #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 |
1264 | #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 |
1265 | #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 |
1266 | |
1267 | /* |
1268 | * A-PMDU buffer sizes |
1269 | * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) |
1270 | */ |
1271 | #define IEEE80211_MIN_AMPDU_BUF 0x8 |
1272 | #define IEEE80211_MAX_AMPDU_BUF 0x40 |
1273 | |
1274 | |
1275 | /* Spatial Multiplexing Power Save Modes (for capability) */ |
1276 | #define WLAN_HT_CAP_SM_PS_STATIC 0 |
1277 | #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 |
1278 | #define WLAN_HT_CAP_SM_PS_INVALID 2 |
1279 | #define WLAN_HT_CAP_SM_PS_DISABLED 3 |
1280 | |
1281 | /* for SM power control field lower two bits */ |
1282 | #define WLAN_HT_SMPS_CONTROL_DISABLED 0 |
1283 | #define WLAN_HT_SMPS_CONTROL_STATIC 1 |
1284 | #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 |
1285 | |
1286 | /** |
1287 | * struct ieee80211_vht_mcs_info - VHT MCS information |
1288 | * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams |
1289 | * @rx_highest: Indicates highest long GI VHT PPDU data rate |
1290 | * STA can receive. Rate expressed in units of 1 Mbps. |
1291 | * If this field is 0 this value should not be used to |
1292 | * consider the highest RX data rate supported. |
1293 | * The top 3 bits of this field are reserved. |
1294 | * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams |
1295 | * @tx_highest: Indicates highest long GI VHT PPDU data rate |
1296 | * STA can transmit. Rate expressed in units of 1 Mbps. |
1297 | * If this field is 0 this value should not be used to |
1298 | * consider the highest TX data rate supported. |
1299 | * The top 3 bits of this field are reserved. |
1300 | */ |
1301 | struct ieee80211_vht_mcs_info { |
1302 | __le16 rx_mcs_map; |
1303 | __le16 rx_highest; |
1304 | __le16 tx_mcs_map; |
1305 | __le16 tx_highest; |
1306 | } __packed; |
1307 | |
1308 | /** |
1309 | * enum ieee80211_vht_mcs_support - VHT MCS support definitions |
1310 | * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the |
1311 | * number of streams |
1312 | * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported |
1313 | * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported |
1314 | * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported |
1315 | * |
1316 | * These definitions are used in each 2-bit subfield of the @rx_mcs_map |
1317 | * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are |
1318 | * both split into 8 subfields by number of streams. These values indicate |
1319 | * which MCSes are supported for the number of streams the value appears |
1320 | * for. |
1321 | */ |
1322 | enum ieee80211_vht_mcs_support { |
1323 | IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, |
1324 | IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, |
1325 | IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, |
1326 | IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, |
1327 | }; |
1328 | |
1329 | /** |
1330 | * struct ieee80211_vht_cap - VHT capabilities |
1331 | * |
1332 | * This structure is the "VHT capabilities element" as |
1333 | * described in 802.11ac D3.0 8.4.2.160 |
1334 | * @vht_cap_info: VHT capability info |
1335 | * @supp_mcs: VHT MCS supported rates |
1336 | */ |
1337 | struct ieee80211_vht_cap { |
1338 | __le32 vht_cap_info; |
1339 | struct ieee80211_vht_mcs_info supp_mcs; |
1340 | } __packed; |
1341 | |
1342 | /** |
1343 | * enum ieee80211_vht_chanwidth - VHT channel width |
1344 | * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to |
1345 | * determine the channel width (20 or 40 MHz) |
1346 | * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth |
1347 | * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth |
1348 | * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth |
1349 | */ |
1350 | enum ieee80211_vht_chanwidth { |
1351 | IEEE80211_VHT_CHANWIDTH_USE_HT = 0, |
1352 | IEEE80211_VHT_CHANWIDTH_80MHZ = 1, |
1353 | IEEE80211_VHT_CHANWIDTH_160MHZ = 2, |
1354 | IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, |
1355 | }; |
1356 | |
1357 | /** |
1358 | * struct ieee80211_vht_operation - VHT operation IE |
1359 | * |
1360 | * This structure is the "VHT operation element" as |
1361 | * described in 802.11ac D3.0 8.4.2.161 |
1362 | * @chan_width: Operating channel width |
1363 | * @center_freq_seg1_idx: center freq segment 1 index |
1364 | * @center_freq_seg2_idx: center freq segment 2 index |
1365 | * @basic_mcs_set: VHT Basic MCS rate set |
1366 | */ |
1367 | struct ieee80211_vht_operation { |
1368 | u8 chan_width; |
1369 | u8 center_freq_seg1_idx; |
1370 | u8 center_freq_seg2_idx; |
1371 | __le16 basic_mcs_set; |
1372 | } __packed; |
1373 | |
1374 | |
1375 | /* 802.11ac VHT Capabilities */ |
1376 | #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 |
1377 | #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 |
1378 | #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 |
1379 | #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 |
1380 | #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 |
1381 | #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C |
1382 | #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 |
1383 | #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 |
1384 | #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 |
1385 | #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 |
1386 | #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 |
1387 | #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 |
1388 | #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 |
1389 | #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 |
1390 | #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 |
1391 | #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 |
1392 | #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 |
1393 | #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000 |
1394 | #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000 |
1395 | #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 |
1396 | #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 |
1397 | #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 |
1398 | #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 |
1399 | #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 |
1400 | #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ |
1401 | (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) |
1402 | #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 |
1403 | #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 |
1404 | #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 |
1405 | #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 |
1406 | |
1407 | /* Authentication algorithms */ |
1408 | #define WLAN_AUTH_OPEN 0 |
1409 | #define WLAN_AUTH_SHARED_KEY 1 |
1410 | #define WLAN_AUTH_FT 2 |
1411 | #define WLAN_AUTH_SAE 3 |
1412 | #define WLAN_AUTH_LEAP 128 |
1413 | |
1414 | #define WLAN_AUTH_CHALLENGE_LEN 128 |
1415 | |
1416 | #define WLAN_CAPABILITY_ESS (1<<0) |
1417 | #define WLAN_CAPABILITY_IBSS (1<<1) |
1418 | |
1419 | /* |
1420 | * A mesh STA sets the ESS and IBSS capability bits to zero. |
1421 | * however, this holds true for p2p probe responses (in the p2p_find |
1422 | * phase) as well. |
1423 | */ |
1424 | #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ |
1425 | (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) |
1426 | |
1427 | #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) |
1428 | #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) |
1429 | #define WLAN_CAPABILITY_PRIVACY (1<<4) |
1430 | #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) |
1431 | #define WLAN_CAPABILITY_PBCC (1<<6) |
1432 | #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) |
1433 | |
1434 | /* 802.11h */ |
1435 | #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) |
1436 | #define WLAN_CAPABILITY_QOS (1<<9) |
1437 | #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) |
1438 | #define WLAN_CAPABILITY_APSD (1<<11) |
1439 | #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) |
1440 | #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) |
1441 | #define WLAN_CAPABILITY_DEL_BACK (1<<14) |
1442 | #define WLAN_CAPABILITY_IMM_BACK (1<<15) |
1443 | |
1444 | /* DMG (60gHz) 802.11ad */ |
1445 | /* type - bits 0..1 */ |
1446 | #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) |
1447 | #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ |
1448 | #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ |
1449 | #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ |
1450 | |
1451 | #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) |
1452 | #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) |
1453 | #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) |
1454 | #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) |
1455 | |
1456 | #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) |
1457 | #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) |
1458 | |
1459 | /* measurement */ |
1460 | #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) |
1461 | #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) |
1462 | #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) |
1463 | |
1464 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 |
1465 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 |
1466 | #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 |
1467 | |
1468 | /* 802.11g ERP information element */ |
1469 | #define WLAN_ERP_NON_ERP_PRESENT (1<<0) |
1470 | #define WLAN_ERP_USE_PROTECTION (1<<1) |
1471 | #define WLAN_ERP_BARKER_PREAMBLE (1<<2) |
1472 | |
1473 | /* WLAN_ERP_BARKER_PREAMBLE values */ |
1474 | enum { |
1475 | WLAN_ERP_PREAMBLE_SHORT = 0, |
1476 | WLAN_ERP_PREAMBLE_LONG = 1, |
1477 | }; |
1478 | |
1479 | /* Band ID, 802.11ad #8.4.1.45 */ |
1480 | enum { |
1481 | IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ |
1482 | IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ |
1483 | IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ |
1484 | IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ |
1485 | IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ |
1486 | IEEE80211_BANDID_60G = 5, /* 60 GHz */ |
1487 | }; |
1488 | |
1489 | /* Status codes */ |
1490 | enum ieee80211_statuscode { |
1491 | WLAN_STATUS_SUCCESS = 0, |
1492 | WLAN_STATUS_UNSPECIFIED_FAILURE = 1, |
1493 | WLAN_STATUS_CAPS_UNSUPPORTED = 10, |
1494 | WLAN_STATUS_REASSOC_NO_ASSOC = 11, |
1495 | WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, |
1496 | WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, |
1497 | WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, |
1498 | WLAN_STATUS_CHALLENGE_FAIL = 15, |
1499 | WLAN_STATUS_AUTH_TIMEOUT = 16, |
1500 | WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, |
1501 | WLAN_STATUS_ASSOC_DENIED_RATES = 18, |
1502 | /* 802.11b */ |
1503 | WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, |
1504 | WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, |
1505 | WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, |
1506 | /* 802.11h */ |
1507 | WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, |
1508 | WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, |
1509 | WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, |
1510 | /* 802.11g */ |
1511 | WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, |
1512 | WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, |
1513 | /* 802.11w */ |
1514 | WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, |
1515 | WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, |
1516 | /* 802.11i */ |
1517 | WLAN_STATUS_INVALID_IE = 40, |
1518 | WLAN_STATUS_INVALID_GROUP_CIPHER = 41, |
1519 | WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, |
1520 | WLAN_STATUS_INVALID_AKMP = 43, |
1521 | WLAN_STATUS_UNSUPP_RSN_VERSION = 44, |
1522 | WLAN_STATUS_INVALID_RSN_IE_CAP = 45, |
1523 | WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, |
1524 | /* 802.11e */ |
1525 | WLAN_STATUS_UNSPECIFIED_QOS = 32, |
1526 | WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, |
1527 | WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, |
1528 | WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, |
1529 | WLAN_STATUS_REQUEST_DECLINED = 37, |
1530 | WLAN_STATUS_INVALID_QOS_PARAM = 38, |
1531 | WLAN_STATUS_CHANGE_TSPEC = 39, |
1532 | WLAN_STATUS_WAIT_TS_DELAY = 47, |
1533 | WLAN_STATUS_NO_DIRECT_LINK = 48, |
1534 | WLAN_STATUS_STA_NOT_PRESENT = 49, |
1535 | WLAN_STATUS_STA_NOT_QSTA = 50, |
1536 | /* 802.11s */ |
1537 | WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, |
1538 | WLAN_STATUS_FCG_NOT_SUPP = 78, |
1539 | WLAN_STATUS_STA_NO_TBTT = 78, |
1540 | /* 802.11ad */ |
1541 | WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, |
1542 | WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, |
1543 | WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, |
1544 | WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, |
1545 | WLAN_STATUS_PERFORMING_FST_NOW = 87, |
1546 | WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, |
1547 | WLAN_STATUS_REJECT_U_PID_SETTING = 89, |
1548 | WLAN_STATUS_REJECT_DSE_BAND = 96, |
1549 | WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, |
1550 | WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, |
1551 | }; |
1552 | |
1553 | |
1554 | /* Reason codes */ |
1555 | enum ieee80211_reasoncode { |
1556 | WLAN_REASON_UNSPECIFIED = 1, |
1557 | WLAN_REASON_PREV_AUTH_NOT_VALID = 2, |
1558 | WLAN_REASON_DEAUTH_LEAVING = 3, |
1559 | WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, |
1560 | WLAN_REASON_DISASSOC_AP_BUSY = 5, |
1561 | WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, |
1562 | WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, |
1563 | WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, |
1564 | WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, |
1565 | /* 802.11h */ |
1566 | WLAN_REASON_DISASSOC_BAD_POWER = 10, |
1567 | WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, |
1568 | /* 802.11i */ |
1569 | WLAN_REASON_INVALID_IE = 13, |
1570 | WLAN_REASON_MIC_FAILURE = 14, |
1571 | WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, |
1572 | WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, |
1573 | WLAN_REASON_IE_DIFFERENT = 17, |
1574 | WLAN_REASON_INVALID_GROUP_CIPHER = 18, |
1575 | WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, |
1576 | WLAN_REASON_INVALID_AKMP = 20, |
1577 | WLAN_REASON_UNSUPP_RSN_VERSION = 21, |
1578 | WLAN_REASON_INVALID_RSN_IE_CAP = 22, |
1579 | WLAN_REASON_IEEE8021X_FAILED = 23, |
1580 | WLAN_REASON_CIPHER_SUITE_REJECTED = 24, |
1581 | /* 802.11e */ |
1582 | WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, |
1583 | WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, |
1584 | WLAN_REASON_DISASSOC_LOW_ACK = 34, |
1585 | WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, |
1586 | WLAN_REASON_QSTA_LEAVE_QBSS = 36, |
1587 | WLAN_REASON_QSTA_NOT_USE = 37, |
1588 | WLAN_REASON_QSTA_REQUIRE_SETUP = 38, |
1589 | WLAN_REASON_QSTA_TIMEOUT = 39, |
1590 | WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, |
1591 | /* 802.11s */ |
1592 | WLAN_REASON_MESH_PEER_CANCELED = 52, |
1593 | WLAN_REASON_MESH_MAX_PEERS = 53, |
1594 | WLAN_REASON_MESH_CONFIG = 54, |
1595 | WLAN_REASON_MESH_CLOSE = 55, |
1596 | WLAN_REASON_MESH_MAX_RETRIES = 56, |
1597 | WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, |
1598 | WLAN_REASON_MESH_INVALID_GTK = 58, |
1599 | WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, |
1600 | WLAN_REASON_MESH_INVALID_SECURITY = 60, |
1601 | WLAN_REASON_MESH_PATH_ERROR = 61, |
1602 | WLAN_REASON_MESH_PATH_NOFORWARD = 62, |
1603 | WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, |
1604 | WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, |
1605 | WLAN_REASON_MESH_CHAN_REGULATORY = 65, |
1606 | WLAN_REASON_MESH_CHAN = 66, |
1607 | }; |
1608 | |
1609 | |
1610 | /* Information Element IDs */ |
1611 | enum ieee80211_eid { |
1612 | WLAN_EID_SSID = 0, |
1613 | WLAN_EID_SUPP_RATES = 1, |
1614 | WLAN_EID_FH_PARAMS = 2, |
1615 | WLAN_EID_DS_PARAMS = 3, |
1616 | WLAN_EID_CF_PARAMS = 4, |
1617 | WLAN_EID_TIM = 5, |
1618 | WLAN_EID_IBSS_PARAMS = 6, |
1619 | WLAN_EID_CHALLENGE = 16, |
1620 | |
1621 | WLAN_EID_COUNTRY = 7, |
1622 | WLAN_EID_HP_PARAMS = 8, |
1623 | WLAN_EID_HP_TABLE = 9, |
1624 | WLAN_EID_REQUEST = 10, |
1625 | |
1626 | WLAN_EID_QBSS_LOAD = 11, |
1627 | WLAN_EID_EDCA_PARAM_SET = 12, |
1628 | WLAN_EID_TSPEC = 13, |
1629 | WLAN_EID_TCLAS = 14, |
1630 | WLAN_EID_SCHEDULE = 15, |
1631 | WLAN_EID_TS_DELAY = 43, |
1632 | WLAN_EID_TCLAS_PROCESSING = 44, |
1633 | WLAN_EID_QOS_CAPA = 46, |
1634 | /* 802.11z */ |
1635 | WLAN_EID_LINK_ID = 101, |
1636 | /* 802.11s */ |
1637 | WLAN_EID_MESH_CONFIG = 113, |
1638 | WLAN_EID_MESH_ID = 114, |
1639 | WLAN_EID_LINK_METRIC_REPORT = 115, |
1640 | WLAN_EID_CONGESTION_NOTIFICATION = 116, |
1641 | WLAN_EID_PEER_MGMT = 117, |
1642 | WLAN_EID_CHAN_SWITCH_PARAM = 118, |
1643 | WLAN_EID_MESH_AWAKE_WINDOW = 119, |
1644 | WLAN_EID_BEACON_TIMING = 120, |
1645 | WLAN_EID_MCCAOP_SETUP_REQ = 121, |
1646 | WLAN_EID_MCCAOP_SETUP_RESP = 122, |
1647 | WLAN_EID_MCCAOP_ADVERT = 123, |
1648 | WLAN_EID_MCCAOP_TEARDOWN = 124, |
1649 | WLAN_EID_GANN = 125, |
1650 | WLAN_EID_RANN = 126, |
1651 | WLAN_EID_PREQ = 130, |
1652 | WLAN_EID_PREP = 131, |
1653 | WLAN_EID_PERR = 132, |
1654 | WLAN_EID_PXU = 137, |
1655 | WLAN_EID_PXUC = 138, |
1656 | WLAN_EID_AUTH_MESH_PEER_EXCH = 139, |
1657 | WLAN_EID_MIC = 140, |
1658 | |
1659 | WLAN_EID_PWR_CONSTRAINT = 32, |
1660 | WLAN_EID_PWR_CAPABILITY = 33, |
1661 | WLAN_EID_TPC_REQUEST = 34, |
1662 | WLAN_EID_TPC_REPORT = 35, |
1663 | WLAN_EID_SUPPORTED_CHANNELS = 36, |
1664 | WLAN_EID_CHANNEL_SWITCH = 37, |
1665 | WLAN_EID_MEASURE_REQUEST = 38, |
1666 | WLAN_EID_MEASURE_REPORT = 39, |
1667 | WLAN_EID_QUIET = 40, |
1668 | WLAN_EID_IBSS_DFS = 41, |
1669 | |
1670 | WLAN_EID_ERP_INFO = 42, |
1671 | WLAN_EID_EXT_SUPP_RATES = 50, |
1672 | |
1673 | WLAN_EID_HT_CAPABILITY = 45, |
1674 | WLAN_EID_HT_OPERATION = 61, |
1675 | WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, |
1676 | |
1677 | WLAN_EID_RSN = 48, |
1678 | WLAN_EID_MMIE = 76, |
1679 | WLAN_EID_VENDOR_SPECIFIC = 221, |
1680 | WLAN_EID_QOS_PARAMETER = 222, |
1681 | |
1682 | WLAN_EID_AP_CHAN_REPORT = 51, |
1683 | WLAN_EID_NEIGHBOR_REPORT = 52, |
1684 | WLAN_EID_RCPI = 53, |
1685 | WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, |
1686 | WLAN_EID_ANTENNA_INFO = 64, |
1687 | WLAN_EID_RSNI = 65, |
1688 | WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, |
1689 | WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, |
1690 | WLAN_EID_BSS_AC_ACCESS_DELAY = 68, |
1691 | WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, |
1692 | WLAN_EID_MULTIPLE_BSSID = 71, |
1693 | WLAN_EID_BSS_COEX_2040 = 72, |
1694 | WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, |
1695 | WLAN_EID_EXT_CAPABILITY = 127, |
1696 | |
1697 | WLAN_EID_MOBILITY_DOMAIN = 54, |
1698 | WLAN_EID_FAST_BSS_TRANSITION = 55, |
1699 | WLAN_EID_TIMEOUT_INTERVAL = 56, |
1700 | WLAN_EID_RIC_DATA = 57, |
1701 | WLAN_EID_RIC_DESCRIPTOR = 75, |
1702 | |
1703 | WLAN_EID_DSE_REGISTERED_LOCATION = 58, |
1704 | WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, |
1705 | WLAN_EID_EXT_CHANSWITCH_ANN = 60, |
1706 | |
1707 | WLAN_EID_VHT_CAPABILITY = 191, |
1708 | WLAN_EID_VHT_OPERATION = 192, |
1709 | WLAN_EID_OPMODE_NOTIF = 199, |
1710 | WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, |
1711 | WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, |
1712 | |
1713 | /* 802.11ad */ |
1714 | WLAN_EID_NON_TX_BSSID_CAP = 83, |
1715 | WLAN_EID_WAKEUP_SCHEDULE = 143, |
1716 | WLAN_EID_EXT_SCHEDULE = 144, |
1717 | WLAN_EID_STA_AVAILABILITY = 145, |
1718 | WLAN_EID_DMG_TSPEC = 146, |
1719 | WLAN_EID_DMG_AT = 147, |
1720 | WLAN_EID_DMG_CAP = 148, |
1721 | WLAN_EID_DMG_OPERATION = 151, |
1722 | WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, |
1723 | WLAN_EID_DMG_BEAM_REFINEMENT = 153, |
1724 | WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, |
1725 | WLAN_EID_AWAKE_WINDOW = 157, |
1726 | WLAN_EID_MULTI_BAND = 158, |
1727 | WLAN_EID_ADDBA_EXT = 159, |
1728 | WLAN_EID_NEXT_PCP_LIST = 160, |
1729 | WLAN_EID_PCP_HANDOVER = 161, |
1730 | WLAN_EID_DMG_LINK_MARGIN = 162, |
1731 | WLAN_EID_SWITCHING_STREAM = 163, |
1732 | WLAN_EID_SESSION_TRANSITION = 164, |
1733 | WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, |
1734 | WLAN_EID_CLUSTER_REPORT = 166, |
1735 | WLAN_EID_RELAY_CAP = 167, |
1736 | WLAN_EID_RELAY_XFER_PARAM_SET = 168, |
1737 | WLAN_EID_BEAM_LINK_MAINT = 169, |
1738 | WLAN_EID_MULTIPLE_MAC_ADDR = 170, |
1739 | WLAN_EID_U_PID = 171, |
1740 | WLAN_EID_DMG_LINK_ADAPT_ACK = 172, |
1741 | WLAN_EID_QUIET_PERIOD_REQ = 175, |
1742 | WLAN_EID_QUIET_PERIOD_RESP = 177, |
1743 | WLAN_EID_EPAC_POLICY = 182, |
1744 | WLAN_EID_CLISTER_TIME_OFF = 183, |
1745 | WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, |
1746 | }; |
1747 | |
1748 | /* Action category code */ |
1749 | enum ieee80211_category { |
1750 | WLAN_CATEGORY_SPECTRUM_MGMT = 0, |
1751 | WLAN_CATEGORY_QOS = 1, |
1752 | WLAN_CATEGORY_DLS = 2, |
1753 | WLAN_CATEGORY_BACK = 3, |
1754 | WLAN_CATEGORY_PUBLIC = 4, |
1755 | WLAN_CATEGORY_HT = 7, |
1756 | WLAN_CATEGORY_SA_QUERY = 8, |
1757 | WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, |
1758 | WLAN_CATEGORY_TDLS = 12, |
1759 | WLAN_CATEGORY_MESH_ACTION = 13, |
1760 | WLAN_CATEGORY_MULTIHOP_ACTION = 14, |
1761 | WLAN_CATEGORY_SELF_PROTECTED = 15, |
1762 | WLAN_CATEGORY_DMG = 16, |
1763 | WLAN_CATEGORY_WMM = 17, |
1764 | WLAN_CATEGORY_FST = 18, |
1765 | WLAN_CATEGORY_UNPROT_DMG = 20, |
1766 | WLAN_CATEGORY_VHT = 21, |
1767 | WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, |
1768 | WLAN_CATEGORY_VENDOR_SPECIFIC = 127, |
1769 | }; |
1770 | |
1771 | /* SPECTRUM_MGMT action code */ |
1772 | enum ieee80211_spectrum_mgmt_actioncode { |
1773 | WLAN_ACTION_SPCT_MSR_REQ = 0, |
1774 | WLAN_ACTION_SPCT_MSR_RPRT = 1, |
1775 | WLAN_ACTION_SPCT_TPC_REQ = 2, |
1776 | WLAN_ACTION_SPCT_TPC_RPRT = 3, |
1777 | WLAN_ACTION_SPCT_CHL_SWITCH = 4, |
1778 | }; |
1779 | |
1780 | /* HT action codes */ |
1781 | enum ieee80211_ht_actioncode { |
1782 | WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, |
1783 | WLAN_HT_ACTION_SMPS = 1, |
1784 | WLAN_HT_ACTION_PSMP = 2, |
1785 | WLAN_HT_ACTION_PCO_PHASE = 3, |
1786 | WLAN_HT_ACTION_CSI = 4, |
1787 | WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, |
1788 | WLAN_HT_ACTION_COMPRESSED_BF = 6, |
1789 | WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, |
1790 | }; |
1791 | |
1792 | /* VHT action codes */ |
1793 | enum ieee80211_vht_actioncode { |
1794 | WLAN_VHT_ACTION_COMPRESSED_BF = 0, |
1795 | WLAN_VHT_ACTION_GROUPID_MGMT = 1, |
1796 | WLAN_VHT_ACTION_OPMODE_NOTIF = 2, |
1797 | }; |
1798 | |
1799 | /* Self Protected Action codes */ |
1800 | enum ieee80211_self_protected_actioncode { |
1801 | WLAN_SP_RESERVED = 0, |
1802 | WLAN_SP_MESH_PEERING_OPEN = 1, |
1803 | WLAN_SP_MESH_PEERING_CONFIRM = 2, |
1804 | WLAN_SP_MESH_PEERING_CLOSE = 3, |
1805 | WLAN_SP_MGK_INFORM = 4, |
1806 | WLAN_SP_MGK_ACK = 5, |
1807 | }; |
1808 | |
1809 | /* Mesh action codes */ |
1810 | enum ieee80211_mesh_actioncode { |
1811 | WLAN_MESH_ACTION_LINK_METRIC_REPORT, |
1812 | WLAN_MESH_ACTION_HWMP_PATH_SELECTION, |
1813 | WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, |
1814 | WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, |
1815 | WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, |
1816 | WLAN_MESH_ACTION_MCCA_SETUP_REPLY, |
1817 | WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, |
1818 | WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, |
1819 | WLAN_MESH_ACTION_MCCA_TEARDOWN, |
1820 | WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, |
1821 | WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, |
1822 | }; |
1823 | |
1824 | /* Security key length */ |
1825 | enum ieee80211_key_len { |
1826 | WLAN_KEY_LEN_WEP40 = 5, |
1827 | WLAN_KEY_LEN_WEP104 = 13, |
1828 | WLAN_KEY_LEN_CCMP = 16, |
1829 | WLAN_KEY_LEN_TKIP = 32, |
1830 | WLAN_KEY_LEN_AES_CMAC = 16, |
1831 | }; |
1832 | |
1833 | #define IEEE80211_WEP_IV_LEN 4 |
1834 | #define IEEE80211_WEP_ICV_LEN 4 |
1835 | #define IEEE80211_CCMP_HDR_LEN 8 |
1836 | #define IEEE80211_CCMP_MIC_LEN 8 |
1837 | #define IEEE80211_CCMP_PN_LEN 6 |
1838 | #define IEEE80211_TKIP_IV_LEN 8 |
1839 | #define IEEE80211_TKIP_ICV_LEN 4 |
1840 | #define IEEE80211_CMAC_PN_LEN 6 |
1841 | |
1842 | /* Public action codes */ |
1843 | enum ieee80211_pub_actioncode { |
1844 | WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, |
1845 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, |
1846 | }; |
1847 | |
1848 | /* TDLS action codes */ |
1849 | enum ieee80211_tdls_actioncode { |
1850 | WLAN_TDLS_SETUP_REQUEST = 0, |
1851 | WLAN_TDLS_SETUP_RESPONSE = 1, |
1852 | WLAN_TDLS_SETUP_CONFIRM = 2, |
1853 | WLAN_TDLS_TEARDOWN = 3, |
1854 | WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, |
1855 | WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, |
1856 | WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, |
1857 | WLAN_TDLS_PEER_PSM_REQUEST = 7, |
1858 | WLAN_TDLS_PEER_PSM_RESPONSE = 8, |
1859 | WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, |
1860 | WLAN_TDLS_DISCOVERY_REQUEST = 10, |
1861 | }; |
1862 | |
1863 | /* |
1864 | * TDLS capabililites to be enabled in the 5th byte of the |
1865 | * @WLAN_EID_EXT_CAPABILITY information element |
1866 | */ |
1867 | #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) |
1868 | #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) |
1869 | |
1870 | #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) |
1871 | |
1872 | /* TDLS specific payload type in the LLC/SNAP header */ |
1873 | #define WLAN_TDLS_SNAP_RFTYPE 0x2 |
1874 | |
1875 | /** |
1876 | * enum - mesh synchronization method identifier |
1877 | * |
1878 | * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method |
1879 | * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method |
1880 | * that will be specified in a vendor specific information element |
1881 | */ |
1882 | enum { |
1883 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, |
1884 | IEEE80211_SYNC_METHOD_VENDOR = 255, |
1885 | }; |
1886 | |
1887 | /** |
1888 | * enum - mesh path selection protocol identifier |
1889 | * |
1890 | * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol |
1891 | * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will |
1892 | * be specified in a vendor specific information element |
1893 | */ |
1894 | enum { |
1895 | IEEE80211_PATH_PROTOCOL_HWMP = 1, |
1896 | IEEE80211_PATH_PROTOCOL_VENDOR = 255, |
1897 | }; |
1898 | |
1899 | /** |
1900 | * enum - mesh path selection metric identifier |
1901 | * |
1902 | * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric |
1903 | * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be |
1904 | * specified in a vendor specific information element |
1905 | */ |
1906 | enum { |
1907 | IEEE80211_PATH_METRIC_AIRTIME = 1, |
1908 | IEEE80211_PATH_METRIC_VENDOR = 255, |
1909 | }; |
1910 | |
1911 | /** |
1912 | * enum ieee80211_root_mode_identifier - root mesh STA mode identifier |
1913 | * |
1914 | * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode |
1915 | * |
1916 | * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) |
1917 | * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than |
1918 | * this value |
1919 | * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports |
1920 | * the proactive PREQ with proactive PREP subfield set to 0 |
1921 | * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA |
1922 | * supports the proactive PREQ with proactive PREP subfield set to 1 |
1923 | * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports |
1924 | * the proactive RANN |
1925 | */ |
1926 | enum ieee80211_root_mode_identifier { |
1927 | IEEE80211_ROOTMODE_NO_ROOT = 0, |
1928 | IEEE80211_ROOTMODE_ROOT = 1, |
1929 | IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, |
1930 | IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, |
1931 | IEEE80211_PROACTIVE_RANN = 4, |
1932 | }; |
1933 | |
1934 | /* |
1935 | * IEEE 802.11-2007 7.3.2.9 Country information element |
1936 | * |
1937 | * Minimum length is 8 octets, ie len must be evenly |
1938 | * divisible by 2 |
1939 | */ |
1940 | |
1941 | /* Although the spec says 8 I'm seeing 6 in practice */ |
1942 | #define IEEE80211_COUNTRY_IE_MIN_LEN 6 |
1943 | |
1944 | /* The Country String field of the element shall be 3 octets in length */ |
1945 | #define IEEE80211_COUNTRY_STRING_LEN 3 |
1946 | |
1947 | /* |
1948 | * For regulatory extension stuff see IEEE 802.11-2007 |
1949 | * Annex I (page 1141) and Annex J (page 1147). Also |
1950 | * review 7.3.2.9. |
1951 | * |
1952 | * When dot11RegulatoryClassesRequired is true and the |
1953 | * first_channel/reg_extension_id is >= 201 then the IE |
1954 | * compromises of the 'ext' struct represented below: |
1955 | * |
1956 | * - Regulatory extension ID - when generating IE this just needs |
1957 | * to be monotonically increasing for each triplet passed in |
1958 | * the IE |
1959 | * - Regulatory class - index into set of rules |
1960 | * - Coverage class - index into air propagation time (Table 7-27), |
1961 | * in microseconds, you can compute the air propagation time from |
1962 | * the index by multiplying by 3, so index 10 yields a propagation |
1963 | * of 10 us. Valid values are 0-31, values 32-255 are not defined |
1964 | * yet. A value of 0 inicates air propagation of <= 1 us. |
1965 | * |
1966 | * See also Table I.2 for Emission limit sets and table |
1967 | * I.3 for Behavior limit sets. Table J.1 indicates how to map |
1968 | * a reg_class to an emission limit set and behavior limit set. |
1969 | */ |
1970 | #define IEEE80211_COUNTRY_EXTENSION_ID 201 |
1971 | |
1972 | /* |
1973 | * Channels numbers in the IE must be monotonically increasing |
1974 | * if dot11RegulatoryClassesRequired is not true. |
1975 | * |
1976 | * If dot11RegulatoryClassesRequired is true consecutive |
1977 | * subband triplets following a regulatory triplet shall |
1978 | * have monotonically increasing first_channel number fields. |
1979 | * |
1980 | * Channel numbers shall not overlap. |
1981 | * |
1982 | * Note that max_power is signed. |
1983 | */ |
1984 | struct ieee80211_country_ie_triplet { |
1985 | union { |
1986 | struct { |
1987 | u8 first_channel; |
1988 | u8 num_channels; |
1989 | s8 max_power; |
1990 | } __packed chans; |
1991 | struct { |
1992 | u8 reg_extension_id; |
1993 | u8 reg_class; |
1994 | u8 coverage_class; |
1995 | } __packed ext; |
1996 | }; |
1997 | } __packed; |
1998 | |
1999 | enum ieee80211_timeout_interval_type { |
2000 | WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, |
2001 | WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, |
2002 | WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, |
2003 | }; |
2004 | |
2005 | /** |
2006 | * struct ieee80211_timeout_interval_ie - Timeout Interval element |
2007 | * @type: type, see &enum ieee80211_timeout_interval_type |
2008 | * @value: timeout interval value |
2009 | */ |
2010 | struct ieee80211_timeout_interval_ie { |
2011 | u8 type; |
2012 | __le32 value; |
2013 | } __packed; |
2014 | |
2015 | /* BACK action code */ |
2016 | enum ieee80211_back_actioncode { |
2017 | WLAN_ACTION_ADDBA_REQ = 0, |
2018 | WLAN_ACTION_ADDBA_RESP = 1, |
2019 | WLAN_ACTION_DELBA = 2, |
2020 | }; |
2021 | |
2022 | /* BACK (block-ack) parties */ |
2023 | enum ieee80211_back_parties { |
2024 | WLAN_BACK_RECIPIENT = 0, |
2025 | WLAN_BACK_INITIATOR = 1, |
2026 | }; |
2027 | |
2028 | /* SA Query action */ |
2029 | enum ieee80211_sa_query_action { |
2030 | WLAN_ACTION_SA_QUERY_REQUEST = 0, |
2031 | WLAN_ACTION_SA_QUERY_RESPONSE = 1, |
2032 | }; |
2033 | |
2034 | |
2035 | /* cipher suite selectors */ |
2036 | #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 |
2037 | #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 |
2038 | #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 |
2039 | /* reserved: 0x000FAC03 */ |
2040 | #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 |
2041 | #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 |
2042 | #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 |
2043 | #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 |
2044 | |
2045 | #define WLAN_CIPHER_SUITE_SMS4 0x00147201 |
2046 | |
2047 | /* AKM suite selectors */ |
2048 | #define WLAN_AKM_SUITE_8021X 0x000FAC01 |
2049 | #define WLAN_AKM_SUITE_PSK 0x000FAC02 |
2050 | #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 |
2051 | #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 |
2052 | #define WLAN_AKM_SUITE_TDLS 0x000FAC07 |
2053 | #define WLAN_AKM_SUITE_SAE 0x000FAC08 |
2054 | #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 |
2055 | |
2056 | #define WLAN_MAX_KEY_LEN 32 |
2057 | |
2058 | #define WLAN_PMKID_LEN 16 |
2059 | |
2060 | #define WLAN_OUI_WFA 0x506f9a |
2061 | #define WLAN_OUI_TYPE_WFA_P2P 9 |
2062 | #define WLAN_OUI_MICROSOFT 0x0050f2 |
2063 | #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 |
2064 | #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 |
2065 | #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 |
2066 | |
2067 | /* |
2068 | * WMM/802.11e Tspec Element |
2069 | */ |
2070 | #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F |
2071 | #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 |
2072 | |
2073 | enum ieee80211_tspec_status_code { |
2074 | IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, |
2075 | IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, |
2076 | }; |
2077 | |
2078 | struct ieee80211_tspec_ie { |
2079 | u8 element_id; |
2080 | u8 len; |
2081 | u8 oui[3]; |
2082 | u8 oui_type; |
2083 | u8 oui_subtype; |
2084 | u8 version; |
2085 | __le16 tsinfo; |
2086 | u8 tsinfo_resvd; |
2087 | __le16 nominal_msdu; |
2088 | __le16 max_msdu; |
2089 | __le32 min_service_int; |
2090 | __le32 max_service_int; |
2091 | __le32 inactivity_int; |
2092 | __le32 suspension_int; |
2093 | __le32 service_start_time; |
2094 | __le32 min_data_rate; |
2095 | __le32 mean_data_rate; |
2096 | __le32 peak_data_rate; |
2097 | __le32 max_burst_size; |
2098 | __le32 delay_bound; |
2099 | __le32 min_phy_rate; |
2100 | __le16 sba; |
2101 | __le16 medium_time; |
2102 | } __packed; |
2103 | |
2104 | /** |
2105 | * ieee80211_get_qos_ctl - get pointer to qos control bytes |
2106 | * @hdr: the frame |
2107 | * |
2108 | * The qos ctrl bytes come after the frame_control, duration, seq_num |
2109 | * and 3 or 4 addresses of length ETH_ALEN. |
2110 | * 3 addr: 2 + 2 + 2 + 3*6 = 24 |
2111 | * 4 addr: 2 + 2 + 2 + 4*6 = 30 |
2112 | */ |
2113 | static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) |
2114 | { |
2115 | if (ieee80211_has_a4(hdr->frame_control)) |
2116 | return (u8 *)hdr + 30; |
2117 | else |
2118 | return (u8 *)hdr + 24; |
2119 | } |
2120 | |
2121 | /** |
2122 | * ieee80211_get_SA - get pointer to SA |
2123 | * @hdr: the frame |
2124 | * |
2125 | * Given an 802.11 frame, this function returns the offset |
2126 | * to the source address (SA). It does not verify that the |
2127 | * header is long enough to contain the address, and the |
2128 | * header must be long enough to contain the frame control |
2129 | * field. |
2130 | */ |
2131 | static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) |
2132 | { |
2133 | if (ieee80211_has_a4(hdr->frame_control)) |
2134 | return hdr->addr4; |
2135 | if (ieee80211_has_fromds(hdr->frame_control)) |
2136 | return hdr->addr3; |
2137 | return hdr->addr2; |
2138 | } |
2139 | |
2140 | /** |
2141 | * ieee80211_get_DA - get pointer to DA |
2142 | * @hdr: the frame |
2143 | * |
2144 | * Given an 802.11 frame, this function returns the offset |
2145 | * to the destination address (DA). It does not verify that |
2146 | * the header is long enough to contain the address, and the |
2147 | * header must be long enough to contain the frame control |
2148 | * field. |
2149 | */ |
2150 | static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) |
2151 | { |
2152 | if (ieee80211_has_tods(hdr->frame_control)) |
2153 | return hdr->addr3; |
2154 | else |
2155 | return hdr->addr1; |
2156 | } |
2157 | |
2158 | /** |
2159 | * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame |
2160 | * @hdr: the frame (buffer must include at least the first octet of payload) |
2161 | */ |
2162 | static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) |
2163 | { |
2164 | if (ieee80211_is_disassoc(hdr->frame_control) || |
2165 | ieee80211_is_deauth(hdr->frame_control)) |
2166 | return true; |
2167 | |
2168 | if (ieee80211_is_action(hdr->frame_control)) { |
2169 | u8 *category; |
2170 | |
2171 | /* |
2172 | * Action frames, excluding Public Action frames, are Robust |
2173 | * Management Frames. However, if we are looking at a Protected |
2174 | * frame, skip the check since the data may be encrypted and |
2175 | * the frame has already been found to be a Robust Management |
2176 | * Frame (by the other end). |
2177 | */ |
2178 | if (ieee80211_has_protected(hdr->frame_control)) |
2179 | return true; |
2180 | category = ((u8 *) hdr) + 24; |
2181 | return *category != WLAN_CATEGORY_PUBLIC && |
2182 | *category != WLAN_CATEGORY_HT && |
2183 | *category != WLAN_CATEGORY_SELF_PROTECTED && |
2184 | *category != WLAN_CATEGORY_VENDOR_SPECIFIC; |
2185 | } |
2186 | |
2187 | return false; |
2188 | } |
2189 | |
2190 | /** |
2191 | * ieee80211_is_public_action - check if frame is a public action frame |
2192 | * @hdr: the frame |
2193 | * @len: length of the frame |
2194 | */ |
2195 | static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, |
2196 | size_t len) |
2197 | { |
2198 | struct ieee80211_mgmt *mgmt = (void *)hdr; |
2199 | |
2200 | if (len < IEEE80211_MIN_ACTION_SIZE) |
2201 | return false; |
2202 | if (!ieee80211_is_action(hdr->frame_control)) |
2203 | return false; |
2204 | return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; |
2205 | } |
2206 | |
2207 | /** |
2208 | * ieee80211_dsss_chan_to_freq - get channel center frequency |
2209 | * @channel: the DSSS channel |
2210 | * |
2211 | * Convert IEEE802.11 DSSS channel to the center frequency (MHz). |
2212 | * Ref IEEE 802.11-2007 section 15.6 |
2213 | */ |
2214 | static inline int ieee80211_dsss_chan_to_freq(int channel) |
2215 | { |
2216 | if ((channel > 0) && (channel < 14)) |
2217 | return 2407 + (channel * 5); |
2218 | else if (channel == 14) |
2219 | return 2484; |
2220 | else |
2221 | return -1; |
2222 | } |
2223 | |
2224 | /** |
2225 | * ieee80211_freq_to_dsss_chan - get channel |
2226 | * @freq: the frequency |
2227 | * |
2228 | * Convert frequency (MHz) to IEEE802.11 DSSS channel |
2229 | * Ref IEEE 802.11-2007 section 15.6 |
2230 | * |
2231 | * This routine selects the channel with the closest center frequency. |
2232 | */ |
2233 | static inline int ieee80211_freq_to_dsss_chan(int freq) |
2234 | { |
2235 | if ((freq >= 2410) && (freq < 2475)) |
2236 | return (freq - 2405) / 5; |
2237 | else if ((freq >= 2482) && (freq < 2487)) |
2238 | return 14; |
2239 | else |
2240 | return -1; |
2241 | } |
2242 | |
2243 | /** |
2244 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds |
2245 | * @tu: the TUs |
2246 | */ |
2247 | static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) |
2248 | { |
2249 | return 1024 * tu; |
2250 | } |
2251 | |
2252 | /** |
2253 | * ieee80211_check_tim - check if AID bit is set in TIM |
2254 | * @tim: the TIM IE |
2255 | * @tim_len: length of the TIM IE |
2256 | * @aid: the AID to look for |
2257 | */ |
2258 | static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, |
2259 | u8 tim_len, u16 aid) |
2260 | { |
2261 | u8 mask; |
2262 | u8 index, indexn1, indexn2; |
2263 | |
2264 | if (unlikely(!tim || tim_len < sizeof(*tim))) |
2265 | return false; |
2266 | |
2267 | aid &= 0x3fff; |
2268 | index = aid / 8; |
2269 | mask = 1 << (aid & 7); |
2270 | |
2271 | indexn1 = tim->bitmap_ctrl & 0xfe; |
2272 | indexn2 = tim_len + indexn1 - 4; |
2273 | |
2274 | if (index < indexn1 || index > indexn2) |
2275 | return false; |
2276 | |
2277 | index -= indexn1; |
2278 | |
2279 | return !!(tim->virtual_map[index] & mask); |
2280 | } |
2281 | |
2282 | #endif /* LINUX_IEEE80211_H */ |
2283 |
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