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update madwifi
[linux-2.6/zen-sources.git] / drivers / net / wireless / madwifi / net80211 / ieee80211.h
blob69262129e1c7a17e2b3d6bcec531d86d57bfcc43
1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2 as published by the Free
19 * Software Foundation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $Id: ieee80211.h 3749 2008-07-05 01:00:32Z mentor $
33 */
34 #ifndef _NET80211_IEEE80211_H_
35 #define _NET80211_IEEE80211_H_
36
37 /*
38 * 802.11 protocol definitions.
39 */
40
41 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
42 /* is 802.11 address multicast/broadcast? */
43 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
44
45 /* IEEE 802.11 PLCP header */
46 struct ieee80211_plcp_hdr {
47 u_int16_t i_sfd;
48 u_int8_t i_signal;
49 u_int8_t i_service;
50 u_int16_t i_length;
51 u_int16_t i_crc;
52 } __packed;
53
54 #define IEEE80211_PLCP_SFD 0xF3A0
55 #define IEEE80211_PLCP_SERVICE 0x00
56
57 /*
58 * generic definitions for IEEE 802.11 frames
59 */
60 struct ieee80211_frame {
61 u_int8_t i_fc[2];
62 __le16 i_dur;
63 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
64 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
65 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
66 u_int8_t i_seq[2];
67 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
68 /* see below */
69 } __packed;
70
71 struct ieee80211_qosframe {
72 u_int8_t i_fc[2];
73 __le16 i_dur;
74 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
75 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
76 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
77 u_int8_t i_seq[2];
78 u_int8_t i_qos[2];
79 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
80 /* see below */
81 } __packed;
82
83 struct ieee80211_qoscntl {
84 u_int8_t i_qos[2];
85 };
86
87 struct ieee80211_frame_addr4 {
88 u_int8_t i_fc[2];
89 __le16 i_dur;
90 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
91 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
92 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
93 u_int8_t i_seq[2];
94 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
95 } __packed;
96
97
98 struct ieee80211_qosframe_addr4 {
99 u_int8_t i_fc[2];
100 __le16 i_dur;
101 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
102 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
103 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
104 u_int8_t i_seq[2];
105 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
106 u_int8_t i_qos[2];
107 } __packed;
108
109 struct ieee80211_ctlframe_addr2 {
110 u_int8_t i_fc[2];
111 __le16 i_aidordur; /* AID or duration */
112 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
113 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
114 } __packed;
115
116 #define IEEE80211_FC0_VERSION_MASK 0x03
117 #define IEEE80211_FC0_VERSION_SHIFT 0
118 #define IEEE80211_FC0_VERSION_0 0x00
119 #define IEEE80211_FC0_TYPE_MASK 0x0c
120 #define IEEE80211_FC0_TYPE_SHIFT 2
121 #define IEEE80211_FC0_TYPE_MGT 0x00
122 #define IEEE80211_FC0_TYPE_CTL 0x04
123 #define IEEE80211_FC0_TYPE_DATA 0x08
124
125 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
126 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
127 /* for TYPE_MGT */
128 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
129 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
130 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
131 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
132 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
133 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
134 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
135 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
136 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
137 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
138 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
139 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
140 /* for TYPE_CTL */
141 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
142 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
143 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
144 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
145 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
146 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
147 /* for TYPE_DATA (bit combination) */
148 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
149 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
150 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
151 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
152 #define IEEE80211_FC0_SUBTYPE_NULL 0x40
153 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
154 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
155 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
156 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
157 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
158
159 #define IEEE80211_FC1_DIR_MASK 0x03
160 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
161 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
162 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
163 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
164
165 #define IEEE80211_FC1_MORE_FRAG 0x04
166 #define IEEE80211_FC1_RETRY 0x08
167 #define IEEE80211_FC1_PWR_MGT 0x10
168 #define IEEE80211_FC1_MORE_DATA 0x20
169 #define IEEE80211_FC1_PROT 0x40
170 #define IEEE80211_FC1_ORDER 0x80
171
172 #define IEEE80211_SEQ_FRAG_MASK 0x000f
173 #define IEEE80211_SEQ_FRAG_SHIFT 0
174 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
175 #define IEEE80211_SEQ_SEQ_SHIFT 4
176
177 #define IEEE80211_SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
178
179 #define IEEE80211_NWID_LEN 32
180
181 #define IEEE80211_QOS_TXOP 0x00ff
182 /* bit 8 is reserved */
183 #define IEEE80211_QOS_ACKPOLICY 0x60
184 #define IEEE80211_QOS_ACKPOLICY_S 5
185 #define IEEE80211_QOS_EOSP 0x10
186 #define IEEE80211_QOS_EOSP_S 4
187 #define IEEE80211_QOS_TID 0x0f
188
189 #define IEEE80211_FRM_HAS_BODY(_wh) \
190 (((_wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != \
191 IEEE80211_FC0_TYPE_CTL)
192
193 /*
194 * Country/Region Codes from MS WINNLS.H
195 * Numbering from ISO 3166
196 * XXX belongs elsewhere
197 */
198 enum CountryCode {
199 CTRY_ALBANIA = 8, /* Albania */
200 CTRY_ALGERIA = 12, /* Algeria */
201 CTRY_ARGENTINA = 32, /* Argentina */
202 CTRY_ARMENIA = 51, /* Armenia */
203 CTRY_AUSTRALIA = 36, /* Australia */
204 CTRY_AUSTRIA = 40, /* Austria */
205 CTRY_AZERBAIJAN = 31, /* Azerbaijan */
206 CTRY_BAHRAIN = 48, /* Bahrain */
207 CTRY_BELARUS = 112, /* Belarus */
208 CTRY_BELGIUM = 56, /* Belgium */
209 CTRY_BELIZE = 84, /* Belize */
210 CTRY_BOLIVIA = 68, /* Bolivia */
211 CTRY_BRAZIL = 76, /* Brazil */
212 CTRY_BRUNEI_DARUSSALAM = 96, /* Brunei Darussalam */
213 CTRY_BULGARIA = 100, /* Bulgaria */
214 CTRY_CANADA = 124, /* Canada */
215 CTRY_CHILE = 152, /* Chile */
216 CTRY_CHINA = 156, /* People's Republic of China */
217 CTRY_COLOMBIA = 170, /* Colombia */
218 CTRY_COSTA_RICA = 188, /* Costa Rica */
219 CTRY_CROATIA = 191, /* Croatia */
220 CTRY_CYPRUS = 196,
221 CTRY_CZECH = 203, /* Czech Republic */
222 CTRY_DENMARK = 208, /* Denmark */
223 CTRY_DOMINICAN_REPUBLIC = 214, /* Dominican Republic */
224 CTRY_ECUADOR = 218, /* Ecuador */
225 CTRY_EGYPT = 818, /* Egypt */
226 CTRY_EL_SALVADOR = 222, /* El Salvador */
227 CTRY_ESTONIA = 233, /* Estonia */
228 CTRY_FAEROE_ISLANDS = 234, /* Faeroe Islands */
229 CTRY_FINLAND = 246, /* Finland */
230 CTRY_FRANCE = 250, /* France */
231 CTRY_FRANCE2 = 255, /* France2 */
232 CTRY_GEORGIA = 268, /* Georgia */
233 CTRY_GERMANY = 276, /* Germany */
234 CTRY_GREECE = 300, /* Greece */
235 CTRY_GUATEMALA = 320, /* Guatemala */
236 CTRY_HONDURAS = 340, /* Honduras */
237 CTRY_HONG_KONG = 344, /* Hong Kong S.A.R., P.R.C. */
238 CTRY_HUNGARY = 348, /* Hungary */
239 CTRY_ICELAND = 352, /* Iceland */
240 CTRY_INDIA = 356, /* India */
241 CTRY_INDONESIA = 360, /* Indonesia */
242 CTRY_IRAN = 364, /* Iran */
243 CTRY_IRAQ = 368, /* Iraq */
244 CTRY_IRELAND = 372, /* Ireland */
245 CTRY_ISRAEL = 376, /* Israel */
246 CTRY_ITALY = 380, /* Italy */
247 CTRY_JAMAICA = 388, /* Jamaica */
248 CTRY_JAPAN = 392, /* Japan */
249 CTRY_JAPAN1 = 393, /* Japan (JP1) */
250 CTRY_JAPAN2 = 394, /* Japan (JP0) */
251 CTRY_JAPAN3 = 395, /* Japan (JP1-1) */
252 CTRY_JAPAN4 = 396, /* Japan (JE1) */
253 CTRY_JAPAN5 = 397, /* Japan (JE2) */
254 CTRY_JAPAN6 = 399, /* Japan (JP6) */
255 CTRY_JAPAN7 = 900, /* Japan */
256 CTRY_JAPAN8 = 901, /* Japan */
257 CTRY_JAPAN9 = 902, /* Japan */
258 CTRY_JAPAN10 = 903, /* Japan */
259 CTRY_JAPAN11 = 904, /* Japan */
260 CTRY_JAPAN12 = 905, /* Japan */
261 CTRY_JAPAN13 = 906, /* Japan */
262 CTRY_JAPAN14 = 907, /* Japan */
263 CTRY_JAPAN15 = 908, /* Japan */
264 CTRY_JAPAN16 = 909, /* Japan */
265 CTRY_JAPAN17 = 910, /* Japan */
266 CTRY_JAPAN18 = 911, /* Japan */
267 CTRY_JAPAN19 = 912, /* Japan */
268 CTRY_JAPAN20 = 913, /* Japan */
269 CTRY_JAPAN21 = 914, /* Japan */
270 CTRY_JAPAN22 = 915, /* Japan */
271 CTRY_JAPAN23 = 916, /* Japan */
272 CTRY_JAPAN24 = 917, /* Japan */
273 CTRY_JAPAN25 = 918, /* Japan */
274 CTRY_JAPAN26 = 919, /* Japan */
275 CTRY_JAPAN27 = 920, /* Japan */
276 CTRY_JAPAN28 = 921, /* Japan */
277 CTRY_JAPAN29 = 922, /* Japan */
278 CTRY_JAPAN30 = 923, /* Japan */
279 CTRY_JAPAN31 = 924, /* Japan */
280 CTRY_JAPAN32 = 925, /* Japan */
281 CTRY_JAPAN33 = 926, /* Japan */
282 CTRY_JAPAN34 = 927, /* Japan */
283 CTRY_JAPAN35 = 928, /* Japan */
284 CTRY_JAPAN36 = 929, /* Japan */
285 CTRY_JAPAN37 = 930, /* Japan */
286 CTRY_JAPAN38 = 931, /* Japan */
287 CTRY_JAPAN39 = 932, /* Japan */
288 CTRY_JAPAN40 = 933, /* Japan */
289 CTRY_JAPAN41 = 934, /* Japan */
290 CTRY_JAPAN42 = 935, /* Japan */
291 CTRY_JAPAN43 = 936, /* Japan */
292 CTRY_JAPAN44 = 937, /* Japan */
293 CTRY_JAPAN45 = 938, /* Japan */
294 CTRY_JAPAN46 = 939, /* Japan */
295 CTRY_JAPAN47 = 940, /* Japan */
296 CTRY_JAPAN48 = 941, /* Japan */
297 CTRY_JORDAN = 400, /* Jordan */
298 CTRY_KAZAKHSTAN = 398, /* Kazakhstan */
299 CTRY_KENYA = 404, /* Kenya */
300 CTRY_KOREA_NORTH = 408, /* North Korea */
301 CTRY_KOREA_ROC = 410, /* South Korea */
302 CTRY_KOREA_ROC2 = 411, /* South Korea */
303 CTRY_KUWAIT = 414, /* Kuwait */
304 CTRY_LATVIA = 428, /* Latvia */
305 CTRY_LEBANON = 422, /* Lebanon */
306 CTRY_LIBYA = 434, /* Libya */
307 CTRY_LIECHTENSTEIN = 438, /* Liechtenstein */
308 CTRY_LITHUANIA = 440, /* Lithuania */
309 CTRY_LUXEMBOURG = 442, /* Luxembourg */
310 CTRY_MACAU = 446, /* Macau */
311 CTRY_MACEDONIA = 807, /* the Former Yugoslav Republic of Macedonia */
312 CTRY_MALAYSIA = 458, /* Malaysia */
313 CTRY_MEXICO = 484, /* Mexico */
314 CTRY_MONACO = 492, /* Principality of Monaco */
315 CTRY_MOROCCO = 504, /* Morocco */
316 CTRY_NETHERLANDS = 528, /* Netherlands */
317 CTRY_NEW_ZEALAND = 554, /* New Zealand */
318 CTRY_NICARAGUA = 558, /* Nicaragua */
319 CTRY_NORWAY = 578, /* Norway */
320 CTRY_OMAN = 512, /* Oman */
321 CTRY_PAKISTAN = 586, /* Islamic Republic of Pakistan */
322 CTRY_PANAMA = 591, /* Panama */
323 CTRY_PARAGUAY = 600, /* Paraguay */
324 CTRY_PERU = 604, /* Peru */
325 CTRY_PHILIPPINES = 608, /* Republic of the Philippines */
326 CTRY_POLAND = 616, /* Poland */
327 CTRY_PORTUGAL = 620, /* Portugal */
328 CTRY_PUERTO_RICO = 630, /* Puerto Rico */
329 CTRY_QATAR = 634, /* Qatar */
330 CTRY_ROMANIA = 642, /* Romania */
331 CTRY_RUSSIA = 643, /* Russia */
332 CTRY_SAUDI_ARABIA = 682, /* Saudi Arabia */
333 CTRY_SINGAPORE = 702, /* Singapore */
334 CTRY_SLOVAKIA = 703, /* Slovak Republic */
335 CTRY_SLOVENIA = 705, /* Slovenia */
336 CTRY_SOUTH_AFRICA = 710, /* South Africa */
337 CTRY_SPAIN = 724, /* Spain */
338 CTRY_SWEDEN = 752, /* Sweden */
339 CTRY_SWITZERLAND = 756, /* Switzerland */
340 CTRY_SYRIA = 760, /* Syria */
341 CTRY_TAIWAN = 158, /* Taiwan */
342 CTRY_THAILAND = 764, /* Thailand */
343 CTRY_TRINIDAD_Y_TOBAGO = 780, /* Trinidad y Tobago */
344 CTRY_TUNISIA = 788, /* Tunisia */
345 CTRY_TURKEY = 792, /* Turkey */
346 CTRY_UAE = 784, /* U.A.E. */
347 CTRY_UKRAINE = 804, /* Ukraine */
348 CTRY_UNITED_KINGDOM = 826, /* United Kingdom */
349 CTRY_UNITED_STATES = 840, /* United States */
350 CTRY_UNITED_STATES_FCC49 = 842, /* United States (Public Safety)*/
351 CTRY_URUGUAY = 858, /* Uruguay */
352 CTRY_UZBEKISTAN = 860, /* Uzbekistan */
353 CTRY_VENEZUELA = 862, /* Venezuela */
354 CTRY_VIET_NAM = 704, /* Viet Nam */
355 CTRY_YEMEN = 887, /* Yemen */
356 CTRY_ZIMBABWE = 716 /* Zimbabwe */
357 };
358
359 /*
360 * Generic information element
361 */
362 struct ieee80211_ie {
363 u_int8_t id;
364 u_int8_t len;
365 u_int8_t info[0];
366 } __packed;
367
368 /*
369 * Country information element.
370 */
371 #define IEEE80211_COUNTRY_MAX_TRIPLETS (83)
372 struct ieee80211_ie_country {
373 u_int8_t country_id;
374 u_int8_t country_len;
375 u_int8_t country_str[3];
376 u_int8_t country_triplet[IEEE80211_COUNTRY_MAX_TRIPLETS * 3];
377 } __packed;
378
379 /*
380 * Power Constraint information element.
381 */
382 struct ieee80211_ie_pwrcnstr {
383 u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCNSTR */
384 u_int8_t pc_len; /* == 2 */
385 u_int8_t pc_lpc; /* Local Power Constraint [dB] */
386 } __packed;
387
388 /*
389 * Power Capability information element.
390 */
391 struct ieee80211_ie_pwrcap {
392 u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCAP */
393 u_int8_t pc_len; /* == 2 */
394 int8_t pc_mintxpow; /* Minimum Transmit Power Capability [dBm] */
395 int8_t pc_maxtxpow; /* Maximum Transmit Power Capability [dBm] */
396 } __packed;
397
398 /*
399 * Supported Channels information element.
400 */
401 #define IEEE80211_SUPPCHAN_MAX_PAIRS (127)
402 struct ieee80211_ie_sc {
403 u_int8_t sc_id; /* IEEE80211_ELEMID_SUPPCHAN */
404 u_int8_t sc_len; /* == 2 * number of sc_subband elements */
405 struct {
406 u_int8_t sc_first; /* First Channel Number */
407 u_int8_t sc_number; /* Number of Channels */
408 } __packed sc_subband[IEEE80211_SUPPCHAN_MAX_PAIRS];
409 } __packed;
410
411 /*
412 * Channel Switch Announcement information element.
413 */
414 struct ieee80211_ie_csa {
415 u_int8_t csa_id; /* IEEE80211_ELEMID_CHANSWITCHANN */
416 u_int8_t csa_len; /* == 3 */
417 u_int8_t csa_mode; /* Channel Switch Mode: 1 == stop transmission until CS */
418 u_int8_t csa_chan; /* New Channel Number */
419 u_int8_t csa_count; /* TBTTs until Channel Switch happens */
420 } __packed;
421
422 /* minimal Channel Switch Count in the initial announcement */
423 #define IEEE80211_CSA_PROTECTION_PERIOD 3
424
425 /* maximum allowed deviance of measurement of intervals between CSA in Beacons */
426 #define IEEE80211_CSA_SANITY_THRESHOLD 100
427
428
429 /* does frame have QoS sequence control data */
430 #define IEEE80211_QOS_HAS_SEQ(wh) \
431 (((wh)->i_fc[0] & \
432 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
433 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
434
435 #define WME_QOSINFO_COUNT 0x0f /* Mask for Param Set Count field */
436 /*
437 * WME/802.11e information element.
438 */
439 struct ieee80211_ie_wme {
440 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
441 u_int8_t wme_len; /* length in bytes */
442 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
443 u_int8_t wme_type; /* OUI type */
444 u_int8_t wme_subtype; /* OUI subtype */
445 u_int8_t wme_version; /* spec revision */
446 u_int8_t wme_info; /* QoS info */
447 } __packed;
448
449 /*
450 * WME/802.11e Tspec Element
451 */
452 struct ieee80211_wme_tspec {
453 u_int8_t ts_id;
454 u_int8_t ts_len;
455 u_int8_t ts_oui[3];
456 u_int8_t ts_oui_type;
457 u_int8_t ts_oui_subtype;
458 u_int8_t ts_version;
459 u_int8_t ts_tsinfo[3];
460 u_int8_t ts_nom_msdu[2];
461 u_int8_t ts_max_msdu[2];
462 u_int8_t ts_min_svc[4];
463 u_int8_t ts_max_svc[4];
464 u_int8_t ts_inactv_intv[4];
465 u_int8_t ts_susp_intv[4];
466 u_int8_t ts_start_svc[4];
467 u_int8_t ts_min_rate[4];
468 u_int8_t ts_mean_rate[4];
469 u_int8_t ts_max_burst[4];
470 u_int8_t ts_min_phy[4];
471 u_int8_t ts_peak_rate[4];
472 u_int8_t ts_delay[4];
473 u_int8_t ts_surplus[2];
474 u_int8_t ts_medium_time[2];
475 } __packed;
476
477 /*
478 * WME AC parameter field
479 */
480
481 struct ieee80211_wme_acparams {
482 u_int8_t acp_aci_aifsn;
483 u_int8_t acp_logcwminmax;
484 u_int16_t acp_txop;
485 } __packed;
486
487 #define IEEE80211_WME_PARAM_LEN 24
488 #define WME_NUM_AC 4 /* 4 AC categories */
489
490 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
491 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
492 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
493 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
494 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
495 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
496 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
497 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
498 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
499 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
500
501 #define WME_AC_TO_TID(_ac) ( \
502 ((_ac) == WME_AC_VO) ? 6 : \
503 ((_ac) == WME_AC_VI) ? 5 : \
504 ((_ac) == WME_AC_BK) ? 1 : \
505 0)
506
507 #define TID_TO_WME_AC(_tid) ( \
508 ((_tid) < 1) ? WME_AC_BE : \
509 ((_tid) < 3) ? WME_AC_BK : \
510 ((_tid) < 6) ? WME_AC_VI : \
511 WME_AC_VO)
512
513 /*
514 * WME Parameter Element
515 */
516
517 struct ieee80211_wme_param {
518 u_int8_t param_id;
519 u_int8_t param_len;
520 u_int8_t param_oui[3];
521 u_int8_t param_oui_type;
522 u_int8_t param_oui_sybtype;
523 u_int8_t param_version;
524 u_int8_t param_qosInfo;
525 u_int8_t param_reserved;
526 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
527 } __packed;
528
529 /*
530 * WME U-APSD qos info field defines
531 */
532 #define WME_CAPINFO_UAPSD_EN 0x00000080
533 #define WME_CAPINFO_UAPSD_VO 0x00000001
534 #define WME_CAPINFO_UAPSD_VI 0x00000002
535 #define WME_CAPINFO_UAPSD_BK 0x00000004
536 #define WME_CAPINFO_UAPSD_BE 0x00000008
537 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
538 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
539 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
540 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
541 #define WME_CAPINFO_IE_OFFSET 8
542 #define WME_UAPSD_MAXSP(_qosinfo) \
543 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
544 WME_CAPINFO_UAPSD_MAXSP_MASK)
545 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
546 ((1 << (3 - (_ac))) & ( \
547 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
548 WME_CAPINFO_UAPSD_ACFLAGS_MASK))
549
550 /*
551 * Atheros Advanced Capability information element.
552 */
553 struct ieee80211_ie_athAdvCap {
554 u_int8_t athAdvCap_id; /* IEEE80211_ELEMID_VENDOR */
555 u_int8_t athAdvCap_len; /* length in bytes */
556 u_int8_t athAdvCap_oui[3]; /* 0x00, 0x03, 0x7f */
557 u_int8_t athAdvCap_type; /* OUI type */
558 u_int8_t athAdvCap_subtype; /* OUI subtype */
559 u_int8_t athAdvCap_version; /* spec revision */
560 u_int8_t athAdvCap_capability; /* Capability info */
561 u_int16_t athAdvCap_defKeyIndex;
562 } __packed;
563
564 /*
565 * Atheros XR information element.
566 */
567 struct ieee80211_xr_param {
568 u_int8_t param_id;
569 u_int8_t param_len;
570 u_int8_t param_oui[3];
571 u_int8_t param_oui_type;
572 u_int8_t param_oui_sybtype;
573 u_int8_t param_version;
574 u_int8_t param_Info;
575 u_int8_t param_base_bssid[IEEE80211_ADDR_LEN];
576 u_int8_t param_xr_bssid[IEEE80211_ADDR_LEN];
577 u_int16_t param_xr_beacon_interval;
578 u_int8_t param_base_ath_capability;
579 u_int8_t param_xr_ath_capability;
580 } __packed;
581
582 /* Atheros capabilities */
583 #define IEEE80211_ATHC_TURBOP 0x0001 /* Turbo Prime */
584 #define IEEE80211_ATHC_COMP 0x0002 /* Compression */
585 #define IEEE80211_ATHC_FF 0x0004 /* Fast Frames */
586 #define IEEE80211_ATHC_XR 0x0008 /* Xtended Range support */
587 #define IEEE80211_ATHC_AR 0x0010 /* Advanced Radar support */
588 #define IEEE80211_ATHC_BURST 0x0020 /* Bursting - not negotiated */
589 #define IEEE80211_ATHC_WME 0x0040 /* CWMin tuning */
590 #define IEEE80211_ATHC_BOOST 0x0080 /* Boost */
591
592 /*
593 * Management Notification Frame
594 */
595 struct ieee80211_mnf {
596 u_int8_t mnf_category;
597 u_int8_t mnf_action;
598 u_int8_t mnf_dialog;
599 u_int8_t mnf_status;
600 } __packed;
601 #define MNF_SETUP_REQ 0
602 #define MNF_SETUP_RESP 1
603 #define MNF_TEARDOWN 2
604
605 /*
606 * Control frames.
607 */
608 struct ieee80211_frame_min {
609 u_int8_t i_fc[2];
610 __le16 i_dur;
611 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
612 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
613 /* FCS */
614 } __packed;
615
616 struct ieee80211_frame_rts {
617 u_int8_t i_fc[2];
618 __le16 i_dur;
619 u_int8_t i_ra[IEEE80211_ADDR_LEN];
620 u_int8_t i_ta[IEEE80211_ADDR_LEN];
621 /* FCS */
622 } __packed;
623
624 struct ieee80211_frame_cts {
625 u_int8_t i_fc[2];
626 __le16 i_dur;
627 u_int8_t i_ra[IEEE80211_ADDR_LEN];
628 /* FCS */
629 } __packed;
630
631 struct ieee80211_frame_ack {
632 u_int8_t i_fc[2];
633 __le16 i_dur;
634 u_int8_t i_ra[IEEE80211_ADDR_LEN];
635 /* FCS */
636 } __packed;
637
638 struct ieee80211_frame_pspoll {
639 u_int8_t i_fc[2];
640 u_int8_t i_aid[2];
641 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
642 u_int8_t i_ta[IEEE80211_ADDR_LEN];
643 /* FCS */
644 } __packed;
645
646 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
647 u_int8_t i_fc[2];
648 __le16 i_dur; /* should be zero */
649 u_int8_t i_ra[IEEE80211_ADDR_LEN];
650 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
651 /* FCS */
652 } __packed;
653
654 /*
655 * BEACON management packets
656 *
657 * octet timestamp[8]
658 * octet beacon interval[2]
659 * octet capability information[2]
660 * information element
661 * octet elemid
662 * octet length
663 * octet information[length]
664 */
665
666 typedef u_int8_t *ieee80211_mgt_beacon_t;
667
668 #define IEEE80211_BEACON_INTERVAL(beacon) \
669 ((beacon)[8] | ((beacon)[9] << 8))
670 #define IEEE80211_BEACON_CAPABILITY(beacon) \
671 ((beacon)[10] | ((beacon)[11] << 8))
672
673 #define IEEE80211_CAPINFO_ESS 0x0001
674 #define IEEE80211_CAPINFO_IBSS 0x0002
675 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
676 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
677 #define IEEE80211_CAPINFO_PRIVACY 0x0010
678 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
679 #define IEEE80211_CAPINFO_PBCC 0x0040
680 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
681 /* bits 8-9 are reserved (8 now for spectrum management) */
682 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
683 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
684 #define IEEE80211_CAPINFO_RSN 0x0800
685 /* bit 12 is reserved */
686 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
687 /* bits 14-15 are reserved */
688
689 /*
690 * 802.11i/WPA information element (maximally sized).
691 */
692 struct ieee80211_ie_wpa {
693 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
694 u_int8_t wpa_len; /* length in bytes */
695 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
696 u_int8_t wpa_type; /* OUI type */
697 u_int16_t wpa_version; /* spec revision */
698 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */
699 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
700 u_int32_t wpa_uciphers[8]; /* ciphers */
701 u_int16_t wpa_authselcnt; /* authentication selector cnt*/
702 u_int32_t wpa_authsels[8]; /* selectors */
703 u_int16_t wpa_caps; /* 802.11i capabilities */
704 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
705 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */
706 } __packed;
707
708 /*
709 * Management information element payloads.
710 */
711
712 enum {
713 IEEE80211_ELEMID_SSID = 0,
714 IEEE80211_ELEMID_RATES = 1,
715 IEEE80211_ELEMID_FHPARMS = 2,
716 IEEE80211_ELEMID_DSPARMS = 3,
717 IEEE80211_ELEMID_CFPARMS = 4,
718 IEEE80211_ELEMID_TIM = 5,
719 IEEE80211_ELEMID_IBSSPARMS = 6,
720 IEEE80211_ELEMID_COUNTRY = 7,
721 IEEE80211_ELEMID_HOPPATRNPARMS = 8,
722 IEEE80211_ELEMID_HOPPATRNTABLE = 9,
723 IEEE80211_ELEMID_REQINFO = 10,
724 IEEE80211_ELEMID_QBSSLOAD = 11,
725 IEEE80211_ELEMID_EDCAPARAM = 12,
726 IEEE80211_ELEMID_TSPEC = 13,
727 IEEE80211_ELEMID_TRAFCLASS = 14,
728 IEEE80211_ELEMID_SCHEDULE = 15,
729 IEEE80211_ELEMID_CHALLENGE = 16,
730 /* 17-31 reserved for challenge text extension */
731 IEEE80211_ELEMID_PWRCNSTR = 32,
732 IEEE80211_ELEMID_PWRCAP = 33,
733 IEEE80211_ELEMID_TPCREQ = 34,
734 IEEE80211_ELEMID_TPCREP = 35,
735 IEEE80211_ELEMID_SUPPCHAN = 36,
736 IEEE80211_ELEMID_CHANSWITCHANN = 37,
737 IEEE80211_ELEMID_MEASREQ = 38,
738 IEEE80211_ELEMID_MEASREP = 39,
739 IEEE80211_ELEMID_QUIET = 40,
740 IEEE80211_ELEMID_IBSSDFS = 41,
741 IEEE80211_ELEMID_ERP = 42,
742 IEEE80211_ELEMID_TSDELAY = 43,
743 IEEE80211_ELEMID_TCLASSPROC = 44,
744 IEEE80211_ELEMID_QOS = 46,
745 IEEE80211_ELEMID_RSN = 48,
746 /* 49 reserved */
747 IEEE80211_ELEMID_XRATES = 50,
748 /* 128-129 proprietary elements used by Agere chipsets */
749 IEEE80211_ELEMID_AGERE1 = 128,
750 IEEE80211_ELEMID_AGERE2 = 129,
751 IEEE80211_ELEMID_TPC = 150,
752 IEEE80211_ELEMID_CCKM = 156,
753 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
754 };
755
756 #define IEEE80211_CHANSWITCHANN_BYTES 5
757 #define BITCTL_BUFD_MCAST 1
758 #define BITCTL_BUFD_UCAST_AID_MASK ((u_int8_t)~(BITCTL_BUFD_MCAST))
759 #define BITCTL_BUFD_UCAST_AID_SHIFT 1
760
761 struct ieee80211_tim_ie {
762 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
763 u_int8_t tim_len;
764 u_int8_t tim_count; /* DTIM count */
765 u_int8_t tim_period; /* DTIM period */
766 u_int8_t tim_bitctl; /* bitmap control */
767 u_int8_t tim_bitmap[1]; /* variable-length bitmap */
768 } __packed;
769
770 struct ieee80211_country_ie {
771 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
772 u_int8_t len;
773 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
774 struct {
775 u_int8_t schan; /* starting channel */
776 u_int8_t nchan; /* number channels */
777 u_int8_t maxtxpwr; /* tx power cap */
778 } __packed band[4]; /* up to 4 sub bands */
779 } __packed;
780
781 #define IEEE80211_CHALLENGE_LEN 128
782
783 #define IEEE80211_SUPPCHAN_LEN 26
784
785 #define IEEE80211_RATE_BASIC 0x80
786 #define IEEE80211_RATE_VAL 0x7f
787
788 /* EPR information element flags */
789 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
790 #define IEEE80211_ERP_USE_PROTECTION 0x02
791 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
792
793 /* Atheros private advanced capabilities info */
794 #define ATHEROS_CAP_TURBO_PRIME 0x01
795 #define ATHEROS_CAP_COMPRESSION 0x02
796 #define ATHEROS_CAP_FAST_FRAME 0x04
797 /* bits 3-6 reserved */
798 #define ATHEROS_CAP_BOOST 0x80
799
800 #define ATH_OUI 0x7f0300 /* Atheros OUI */
801 #define ATH_OUI_TYPE 0x01
802 #define ATH_OUI_SUBTYPE 0x01
803 #define ATH_OUI_VERSION 0x00
804 #define ATH_OUI_TYPE_XR 0x03
805 #define ATH_OUI_SUBTYPE_XR 0x01
806 #define ATH_OUI_VER_XR 0x00
807
808 #define WPA_OUI 0xf25000
809 #define WPA_OUI_TYPE 0x01
810 #define WPA_VERSION 1 /* current supported version */
811
812 #define WPA_CSE_NULL 0x00
813 #define WPA_CSE_WEP40 0x01
814 #define WPA_CSE_TKIP 0x02
815 #define WPA_CSE_CCMP 0x04
816 #define WPA_CSE_WEP104 0x05
817
818 #define WPA_ASE_NONE 0x00
819 #define WPA_ASE_8021X_UNSPEC 0x01
820 #define WPA_ASE_8021X_PSK 0x02
821
822 #define RSN_OUI 0xac0f00
823 #define RSN_VERSION 1 /* current supported version */
824
825 #define RSN_CSE_NULL 0x00
826 #define RSN_CSE_WEP40 0x01
827 #define RSN_CSE_TKIP 0x02
828 #define RSN_CSE_WRAP 0x03
829 #define RSN_CSE_CCMP 0x04
830 #define RSN_CSE_WEP104 0x05
831
832 #define RSN_ASE_NONE 0x00
833 #define RSN_ASE_8021X_UNSPEC 0x01
834 #define RSN_ASE_8021X_PSK 0x02
835
836 #define RSN_CAP_PREAUTH 0x01
837
838 #define WME_OUI 0xf25000
839 #define WME_OUI_TYPE 0x02
840 #define WME_INFO_OUI_SUBTYPE 0x00
841 #define WME_PARAM_OUI_SUBTYPE 0x01
842 #define WME_VERSION 1
843
844 /* WME stream classes */
845 #define WME_AC_BE 0 /* best effort */
846 #define WME_AC_BK 1 /* background */
847 #define WME_AC_VI 2 /* video */
848 #define WME_AC_VO 3 /* voice */
849
850 /*
851 * AUTH management packets
852 *
853 * octet algo[2]
854 * octet seq[2]
855 * octet status[2]
856 * octet chal.id
857 * octet chal.length
858 * octet chal.text[253]
859 */
860
861 typedef u_int8_t *ieee80211_mgt_auth_t;
862
863 #define IEEE80211_AUTH_ALGORITHM(auth) \
864 ((auth)[0] | ((auth)[1] << 8))
865 #define IEEE80211_AUTH_TRANSACTION(auth) \
866 ((auth)[2] | ((auth)[3] << 8))
867 #define IEEE80211_AUTH_STATUS(auth) \
868 ((auth)[4] | ((auth)[5] << 8))
869
870 #define IEEE80211_AUTH_ALG_OPEN 0x0000
871 #define IEEE80211_AUTH_ALG_SHARED 0x0001
872 #define IEEE80211_AUTH_ALG_LEAP 0x0080
873
874 enum {
875 IEEE80211_AUTH_OPEN_REQUEST = 1,
876 IEEE80211_AUTH_OPEN_RESPONSE = 2,
877 };
878
879 enum {
880 IEEE80211_AUTH_SHARED_REQUEST = 1,
881 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
882 IEEE80211_AUTH_SHARED_RESPONSE = 3,
883 IEEE80211_AUTH_SHARED_PASS = 4,
884 };
885
886 /*
887 * Reason codes
888 *
889 * Unlisted codes are reserved
890 */
891
892 enum {
893 IEEE80211_REASON_UNSPECIFIED = 1,
894 IEEE80211_REASON_AUTH_EXPIRE = 2,
895 IEEE80211_REASON_AUTH_LEAVE = 3,
896 IEEE80211_REASON_ASSOC_EXPIRE = 4,
897 IEEE80211_REASON_ASSOC_TOOMANY = 5,
898 IEEE80211_REASON_NOT_AUTHED = 6,
899 IEEE80211_REASON_NOT_ASSOCED = 7,
900 IEEE80211_REASON_ASSOC_LEAVE = 8,
901 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
902
903 IEEE80211_REASON_PWRCAP_UNACCEPTABLE = 10,
904 IEEE80211_REASON_SUPPCHAN_UNACCEPTABLE = 11,
905 IEEE80211_REASON_RSN_REQUIRED = 11,
906 IEEE80211_REASON_RSN_INCONSISTENT = 12,
907 IEEE80211_REASON_IE_INVALID = 13,
908 IEEE80211_REASON_MIC_FAILURE = 14,
909
910 IEEE80211_STATUS_SUCCESS = 0,
911 IEEE80211_STATUS_UNSPECIFIED = 1,
912 IEEE80211_STATUS_CAPINFO = 10,
913 IEEE80211_STATUS_NOT_ASSOCED = 11,
914 IEEE80211_STATUS_OTHER = 12,
915 IEEE80211_STATUS_ALG = 13,
916 IEEE80211_STATUS_SEQUENCE = 14,
917 IEEE80211_STATUS_CHALLENGE = 15,
918 IEEE80211_STATUS_TIMEOUT = 16,
919 IEEE80211_STATUS_TOOMANY = 17,
920 IEEE80211_STATUS_BASIC_RATE = 18,
921 IEEE80211_STATUS_SP_REQUIRED = 19,
922 IEEE80211_STATUS_PBCC_REQUIRED = 20,
923 IEEE80211_STATUS_CA_REQUIRED = 21,
924 IEEE80211_STATUS_SM_REQUIRED = 22,
925 IEEE80211_STATUS_PWRCAP_UNACCEPTABLE = 23,
926 IEEE80211_STATUS_SUPPCHAN_UNACCEPTABLE = 24,
927 IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
928 IEEE80211_STATUS_RATES = 23,
929 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
930 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
931 };
932
933 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
934 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
935 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
936 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
937 #define IEEE80211_WEP_NKID 4 /* number of key ids */
938
939 /*
940 * 802.11i defines an extended IV for use with non-WEP ciphers.
941 * When the EXTIV bit is set in the key id byte an additional
942 * 4 bytes immediately follow the IV for TKIP. For CCMP the
943 * EXTIV bit is likewise set but the 8 bytes represent the
944 * CCMP header rather than IV+extended-IV.
945 */
946 #define IEEE80211_WEP_EXTIV 0x20
947 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
948 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
949
950 #define IEEE80211_CRC_LEN 4
951
952 /*
953 * Maximum acceptable MTU is:
954 * IEEE80211_MAX_LEN - WEP overhead - CRC -
955 * QoS overhead - RSN/WPA overhead
956 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
957 * mtu is Ethernet-compatible; it's set by ether_ifattach.
958 */
959 #define IEEE80211_MTU_MAX 2290
960 #define IEEE80211_MTU_MIN 32
961
962 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
963 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
964 #define IEEE80211_ACK_LEN \
965 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
966 #define IEEE80211_MIN_LEN \
967 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
968
969 /*
970 * The 802.11 spec says at most 2007 stations may be
971 * associated at once. For most APs this is way more
972 * than is feasible so we use a default of 128. This
973 * number may be overridden by the driver and/or by
974 * user configuration.
975 */
976 #define IEEE80211_AID_MAX 2007
977 #define IEEE80211_AID_DEF 128
978
979 #define IEEE80211_AID(b) ((b) &~ 0xc000)
980
981 /*
982 * RTS frame length parameters. The default is specified in
983 * the 802.11 spec. The max may be wrong for jumbo frames.
984 */
985 #define IEEE80211_RTS_DEFAULT 512
986 #define IEEE80211_RTS_MIN 1
987 #define IEEE80211_RTS_MAX 2346
988
989 /*
990 * Regulatory extension identifier for country IE.
991 */
992 #define IEEE80211_REG_EXT_ID 201
993
994 /*
995 * IEEE 802.11 timer synchronization function (TSF) timestamp length
996 */
997 #define IEEE80211_TSF_LEN 8
998
999 #endif /* _NET80211_IEEE80211_H_ */
Stable & featurefull patchset based on Linus's git branch