projects / openwrt / staging / wigyori.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
mxs: enable uboot-mxs-duckbill build for duckbill profile
[openwrt/staging/wigyori.git] / package / network / services / hostapd / madwifi / net80211 / ieee80211.h
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 3268 2008-01-26 20:48:11Z mtaylor $
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_NODATA 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_NWID_LEN 32
178
179 #define IEEE80211_QOS_TXOP 0x00ff
180 /* bit 8 is reserved */
181 #define IEEE80211_QOS_ACKPOLICY 0x60
182 #define IEEE80211_QOS_ACKPOLICY_S 5
183 #define IEEE80211_QOS_EOSP 0x10
184 #define IEEE80211_QOS_EOSP_S 4
185 #define IEEE80211_QOS_TID 0x0f
186
187 #define IEEE80211_FRM_HAS_BODY(_wh) \
188 (((_wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != \
189 IEEE80211_FC0_TYPE_CTL)
190
191 /*
192 * Country/Region Codes from MS WINNLS.H
193 * Numbering from ISO 3166
194 * XXX belongs elsewhere
195 */
196 enum CountryCode {
197 CTRY_ALBANIA = 8, /* Albania */
198 CTRY_ALGERIA = 12, /* Algeria */
199 CTRY_ARGENTINA = 32, /* Argentina */
200 CTRY_ARMENIA = 51, /* Armenia */
201 CTRY_AUSTRALIA = 36, /* Australia */
202 CTRY_AUSTRIA = 40, /* Austria */
203 CTRY_AZERBAIJAN = 31, /* Azerbaijan */
204 CTRY_BAHRAIN = 48, /* Bahrain */
205 CTRY_BELARUS = 112, /* Belarus */
206 CTRY_BELGIUM = 56, /* Belgium */
207 CTRY_BELIZE = 84, /* Belize */
208 CTRY_BOLIVIA = 68, /* Bolivia */
209 CTRY_BRAZIL = 76, /* Brazil */
210 CTRY_BRUNEI_DARUSSALAM = 96, /* Brunei Darussalam */
211 CTRY_BULGARIA = 100, /* Bulgaria */
212 CTRY_CANADA = 124, /* Canada */
213 CTRY_CHILE = 152, /* Chile */
214 CTRY_CHINA = 156, /* People's Republic of China */
215 CTRY_COLOMBIA = 170, /* Colombia */
216 CTRY_COSTA_RICA = 188, /* Costa Rica */
217 CTRY_CROATIA = 191, /* Croatia */
218 CTRY_CYPRUS = 196,
219 CTRY_CZECH = 203, /* Czech Republic */
220 CTRY_DENMARK = 208, /* Denmark */
221 CTRY_DOMINICAN_REPUBLIC = 214, /* Dominican Republic */
222 CTRY_ECUADOR = 218, /* Ecuador */
223 CTRY_EGYPT = 818, /* Egypt */
224 CTRY_EL_SALVADOR = 222, /* El Salvador */
225 CTRY_ESTONIA = 233, /* Estonia */
226 CTRY_FAEROE_ISLANDS = 234, /* Faeroe Islands */
227 CTRY_FINLAND = 246, /* Finland */
228 CTRY_FRANCE = 250, /* France */
229 CTRY_FRANCE2 = 255, /* France2 */
230 CTRY_GEORGIA = 268, /* Georgia */
231 CTRY_GERMANY = 276, /* Germany */
232 CTRY_GREECE = 300, /* Greece */
233 CTRY_GUATEMALA = 320, /* Guatemala */
234 CTRY_HONDURAS = 340, /* Honduras */
235 CTRY_HONG_KONG = 344, /* Hong Kong S.A.R., P.R.C. */
236 CTRY_HUNGARY = 348, /* Hungary */
237 CTRY_ICELAND = 352, /* Iceland */
238 CTRY_INDIA = 356, /* India */
239 CTRY_INDONESIA = 360, /* Indonesia */
240 CTRY_IRAN = 364, /* Iran */
241 CTRY_IRAQ = 368, /* Iraq */
242 CTRY_IRELAND = 372, /* Ireland */
243 CTRY_ISRAEL = 376, /* Israel */
244 CTRY_ITALY = 380, /* Italy */
245 CTRY_JAMAICA = 388, /* Jamaica */
246 CTRY_JAPAN = 392, /* Japan */
247 CTRY_JAPAN1 = 393, /* Japan (JP1) */
248 CTRY_JAPAN2 = 394, /* Japan (JP0) */
249 CTRY_JAPAN3 = 395, /* Japan (JP1-1) */
250 CTRY_JAPAN4 = 396, /* Japan (JE1) */
251 CTRY_JAPAN5 = 397, /* Japan (JE2) */
252 CTRY_JAPAN6 = 399, /* Japan (JP6) */
253 CTRY_JAPAN7 = 900, /* Japan */
254 CTRY_JAPAN8 = 901, /* Japan */
255 CTRY_JAPAN9 = 902, /* Japan */
256 CTRY_JAPAN10 = 903, /* Japan */
257 CTRY_JAPAN11 = 904, /* Japan */
258 CTRY_JAPAN12 = 905, /* Japan */
259 CTRY_JAPAN13 = 906, /* Japan */
260 CTRY_JAPAN14 = 907, /* Japan */
261 CTRY_JAPAN15 = 908, /* Japan */
262 CTRY_JAPAN16 = 909, /* Japan */
263 CTRY_JAPAN17 = 910, /* Japan */
264 CTRY_JAPAN18 = 911, /* Japan */
265 CTRY_JAPAN19 = 912, /* Japan */
266 CTRY_JAPAN20 = 913, /* Japan */
267 CTRY_JAPAN21 = 914, /* Japan */
268 CTRY_JAPAN22 = 915, /* Japan */
269 CTRY_JAPAN23 = 916, /* Japan */
270 CTRY_JAPAN24 = 917, /* Japan */
271 CTRY_JAPAN25 = 918, /* Japan */
272 CTRY_JAPAN26 = 919, /* Japan */
273 CTRY_JAPAN27 = 920, /* Japan */
274 CTRY_JAPAN28 = 921, /* Japan */
275 CTRY_JAPAN29 = 922, /* Japan */
276 CTRY_JAPAN30 = 923, /* Japan */
277 CTRY_JAPAN31 = 924, /* Japan */
278 CTRY_JAPAN32 = 925, /* Japan */
279 CTRY_JAPAN33 = 926, /* Japan */
280 CTRY_JAPAN34 = 927, /* Japan */
281 CTRY_JAPAN35 = 928, /* Japan */
282 CTRY_JAPAN36 = 929, /* Japan */
283 CTRY_JAPAN37 = 930, /* Japan */
284 CTRY_JAPAN38 = 931, /* Japan */
285 CTRY_JAPAN39 = 932, /* Japan */
286 CTRY_JAPAN40 = 933, /* Japan */
287 CTRY_JAPAN41 = 934, /* Japan */
288 CTRY_JAPAN42 = 935, /* Japan */
289 CTRY_JAPAN43 = 936, /* Japan */
290 CTRY_JAPAN44 = 937, /* Japan */
291 CTRY_JAPAN45 = 938, /* Japan */
292 CTRY_JAPAN46 = 939, /* Japan */
293 CTRY_JAPAN47 = 940, /* Japan */
294 CTRY_JAPAN48 = 941, /* Japan */
295 CTRY_JORDAN = 400, /* Jordan */
296 CTRY_KAZAKHSTAN = 398, /* Kazakhstan */
297 CTRY_KENYA = 404, /* Kenya */
298 CTRY_KOREA_NORTH = 408, /* North Korea */
299 CTRY_KOREA_ROC = 410, /* South Korea */
300 CTRY_KOREA_ROC2 = 411, /* South Korea */
301 CTRY_KUWAIT = 414, /* Kuwait */
302 CTRY_LATVIA = 428, /* Latvia */
303 CTRY_LEBANON = 422, /* Lebanon */
304 CTRY_LIBYA = 434, /* Libya */
305 CTRY_LIECHTENSTEIN = 438, /* Liechtenstein */
306 CTRY_LITHUANIA = 440, /* Lithuania */
307 CTRY_LUXEMBOURG = 442, /* Luxembourg */
308 CTRY_MACAU = 446, /* Macau */
309 CTRY_MACEDONIA = 807, /* the Former Yugoslav Republic of Macedonia */
310 CTRY_MALAYSIA = 458, /* Malaysia */
311 CTRY_MEXICO = 484, /* Mexico */
312 CTRY_MONACO = 492, /* Principality of Monaco */
313 CTRY_MOROCCO = 504, /* Morocco */
314 CTRY_NETHERLANDS = 528, /* Netherlands */
315 CTRY_NEW_ZEALAND = 554, /* New Zealand */
316 CTRY_NICARAGUA = 558, /* Nicaragua */
317 CTRY_NORWAY = 578, /* Norway */
318 CTRY_OMAN = 512, /* Oman */
319 CTRY_PAKISTAN = 586, /* Islamic Republic of Pakistan */
320 CTRY_PANAMA = 591, /* Panama */
321 CTRY_PARAGUAY = 600, /* Paraguay */
322 CTRY_PERU = 604, /* Peru */
323 CTRY_PHILIPPINES = 608, /* Republic of the Philippines */
324 CTRY_POLAND = 616, /* Poland */
325 CTRY_PORTUGAL = 620, /* Portugal */
326 CTRY_PUERTO_RICO = 630, /* Puerto Rico */
327 CTRY_QATAR = 634, /* Qatar */
328 CTRY_ROMANIA = 642, /* Romania */
329 CTRY_RUSSIA = 643, /* Russia */
330 CTRY_SAUDI_ARABIA = 682, /* Saudi Arabia */
331 CTRY_SINGAPORE = 702, /* Singapore */
332 CTRY_SLOVAKIA = 703, /* Slovak Republic */
333 CTRY_SLOVENIA = 705, /* Slovenia */
334 CTRY_SOUTH_AFRICA = 710, /* South Africa */
335 CTRY_SPAIN = 724, /* Spain */
336 CTRY_SWEDEN = 752, /* Sweden */
337 CTRY_SWITZERLAND = 756, /* Switzerland */
338 CTRY_SYRIA = 760, /* Syria */
339 CTRY_TAIWAN = 158, /* Taiwan */
340 CTRY_THAILAND = 764, /* Thailand */
341 CTRY_TRINIDAD_Y_TOBAGO = 780, /* Trinidad y Tobago */
342 CTRY_TUNISIA = 788, /* Tunisia */
343 CTRY_TURKEY = 792, /* Turkey */
344 CTRY_UAE = 784, /* U.A.E. */
345 CTRY_UKRAINE = 804, /* Ukraine */
346 CTRY_UNITED_KINGDOM = 826, /* United Kingdom */
347 CTRY_UNITED_STATES = 840, /* United States */
348 CTRY_UNITED_STATES_FCC49 = 842, /* United States (Public Safety)*/
349 CTRY_URUGUAY = 858, /* Uruguay */
350 CTRY_UZBEKISTAN = 860, /* Uzbekistan */
351 CTRY_VENEZUELA = 862, /* Venezuela */
352 CTRY_VIET_NAM = 704, /* Viet Nam */
353 CTRY_YEMEN = 887, /* Yemen */
354 CTRY_ZIMBABWE = 716 /* Zimbabwe */
355 };
356
357 /*
358 * Generic information element
359 */
360 struct ieee80211_ie {
361 u_int8_t id;
362 u_int8_t len;
363 u_int8_t info[0];
364 } __packed;
365
366 /*
367 * Country information element.
368 */
369 #define IEEE80211_COUNTRY_MAX_TRIPLETS (83)
370 struct ieee80211_ie_country {
371 u_int8_t country_id;
372 u_int8_t country_len;
373 u_int8_t country_str[3];
374 u_int8_t country_triplet[IEEE80211_COUNTRY_MAX_TRIPLETS * 3];
375 } __packed;
376
377 /*
378 * Power Constraint information element.
379 */
380 struct ieee80211_ie_pwrcnstr {
381 u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCNSTR */
382 u_int8_t pc_len; /* == 2 */
383 u_int8_t pc_lpc; /* Local Power Constraint [dB] */
384 } __packed;
385
386 /*
387 * Power Capability information element.
388 */
389 struct ieee80211_ie_pwrcap {
390 u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCAP */
391 u_int8_t pc_len; /* == 2 */
392 int8_t pc_mintxpow; /* Minimum Transmit Power Capability [dBm] */
393 int8_t pc_maxtxpow; /* Maximum Transmit Power Capability [dBm] */
394 } __packed;
395
396 /*
397 * Supported Channels information element.
398 */
399 #define IEEE80211_SUPPCHAN_MAX_PAIRS (127)
400 struct ieee80211_ie_sc {
401 u_int8_t sc_id; /* IEEE80211_ELEMID_SUPPCHAN */
402 u_int8_t sc_len; /* == 2 * number of sc_subband elements */
403 struct {
404 u_int8_t sc_first; /* First Channel Number */
405 u_int8_t sc_number; /* Number of Channels */
406 } __packed sc_subband[IEEE80211_SUPPCHAN_MAX_PAIRS];
407 } __packed;
408
409 /*
410 * Channel Switch Announcement information element.
411 */
412 struct ieee80211_ie_csa {
413 u_int8_t csa_id; /* IEEE80211_ELEMID_CHANSWITCHANN */
414 u_int8_t csa_len; /* == 3 */
415 u_int8_t csa_mode; /* Channel Switch Mode: 1 == stop transmission until CS */
416 u_int8_t csa_chan; /* New Channel Number */
417 u_int8_t csa_count; /* TBTTs until Channel Switch happens */
418 } __packed;
419
420 /* minimal Channel Switch Count in the initial announcement */
421 #define IEEE80211_CSA_PROTECTION_PERIOD 3
422
423 /* maximum allowed deviance of measurement of intervals between CSA in Beacons */
424 #define IEEE80211_CSA_SANITY_THRESHOLD 100
425
426
427 /* does frame have QoS sequence control data */
428 #define IEEE80211_QOS_HAS_SEQ(wh) \
429 (((wh)->i_fc[0] & \
430 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
431 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
432
433 #define WME_QOSINFO_COUNT 0x0f /* Mask for Param Set Count field */
434 /*
435 * WME/802.11e information element.
436 */
437 struct ieee80211_ie_wme {
438 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
439 u_int8_t wme_len; /* length in bytes */
440 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
441 u_int8_t wme_type; /* OUI type */
442 u_int8_t wme_subtype; /* OUI subtype */
443 u_int8_t wme_version; /* spec revision */
444 u_int8_t wme_info; /* QoS info */
445 } __packed;
446
447 /*
448 * WME/802.11e Tspec Element
449 */
450 struct ieee80211_wme_tspec {
451 u_int8_t ts_id;
452 u_int8_t ts_len;
453 u_int8_t ts_oui[3];
454 u_int8_t ts_oui_type;
455 u_int8_t ts_oui_subtype;
456 u_int8_t ts_version;
457 u_int8_t ts_tsinfo[3];
458 u_int8_t ts_nom_msdu[2];
459 u_int8_t ts_max_msdu[2];
460 u_int8_t ts_min_svc[4];
461 u_int8_t ts_max_svc[4];
462 u_int8_t ts_inactv_intv[4];
463 u_int8_t ts_susp_intv[4];
464 u_int8_t ts_start_svc[4];
465 u_int8_t ts_min_rate[4];
466 u_int8_t ts_mean_rate[4];
467 u_int8_t ts_max_burst[4];
468 u_int8_t ts_min_phy[4];
469 u_int8_t ts_peak_rate[4];
470 u_int8_t ts_delay[4];
471 u_int8_t ts_surplus[2];
472 u_int8_t ts_medium_time[2];
473 } __packed;
474
475 /*
476 * WME AC parameter field
477 */
478
479 struct ieee80211_wme_acparams {
480 u_int8_t acp_aci_aifsn;
481 u_int8_t acp_logcwminmax;
482 u_int16_t acp_txop;
483 } __packed;
484
485 #define IEEE80211_WME_PARAM_LEN 24
486 #define WME_NUM_AC 4 /* 4 AC categories */
487
488 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
489 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
490 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
491 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
492 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
493 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
494 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
495 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
496 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
497 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
498
499 #define WME_AC_TO_TID(_ac) ( \
500 ((_ac) == WME_AC_VO) ? 6 : \
501 ((_ac) == WME_AC_VI) ? 5 : \
502 ((_ac) == WME_AC_BK) ? 1 : \
503 0)
504
505 #define TID_TO_WME_AC(_tid) ( \
506 ((_tid) < 1) ? WME_AC_BE : \
507 ((_tid) < 3) ? WME_AC_BK : \
508 ((_tid) < 6) ? WME_AC_VI : \
509 WME_AC_VO)
510
511 /*
512 * WME Parameter Element
513 */
514
515 struct ieee80211_wme_param {
516 u_int8_t param_id;
517 u_int8_t param_len;
518 u_int8_t param_oui[3];
519 u_int8_t param_oui_type;
520 u_int8_t param_oui_sybtype;
521 u_int8_t param_version;
522 u_int8_t param_qosInfo;
523 u_int8_t param_reserved;
524 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
525 } __packed;
526
527 /*
528 * WME U-APSD qos info field defines
529 */
530 #define WME_CAPINFO_UAPSD_EN 0x00000080
531 #define WME_CAPINFO_UAPSD_VO 0x00000001
532 #define WME_CAPINFO_UAPSD_VI 0x00000002
533 #define WME_CAPINFO_UAPSD_BK 0x00000004
534 #define WME_CAPINFO_UAPSD_BE 0x00000008
535 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
536 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
537 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
538 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
539 #define WME_CAPINFO_IE_OFFSET 8
540 #define WME_UAPSD_MAXSP(_qosinfo) \
541 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
542 WME_CAPINFO_UAPSD_MAXSP_MASK)
543 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
544 ((1 << (3 - (_ac))) & ( \
545 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
546 WME_CAPINFO_UAPSD_ACFLAGS_MASK))
547
548 /*
549 * Atheros Advanced Capability information element.
550 */
551 struct ieee80211_ie_athAdvCap {
552 u_int8_t athAdvCap_id; /* IEEE80211_ELEMID_VENDOR */
553 u_int8_t athAdvCap_len; /* length in bytes */
554 u_int8_t athAdvCap_oui[3]; /* 0x00, 0x03, 0x7f */
555 u_int8_t athAdvCap_type; /* OUI type */
556 u_int8_t athAdvCap_subtype; /* OUI subtype */
557 u_int8_t athAdvCap_version; /* spec revision */
558 u_int8_t athAdvCap_capability; /* Capability info */
559 u_int16_t athAdvCap_defKeyIndex;
560 } __packed;
561
562 /*
563 * Atheros XR information element.
564 */
565 struct ieee80211_xr_param {
566 u_int8_t param_id;
567 u_int8_t param_len;
568 u_int8_t param_oui[3];
569 u_int8_t param_oui_type;
570 u_int8_t param_oui_sybtype;
571 u_int8_t param_version;
572 u_int8_t param_Info;
573 u_int8_t param_base_bssid[IEEE80211_ADDR_LEN];
574 u_int8_t param_xr_bssid[IEEE80211_ADDR_LEN];
575 u_int16_t param_xr_beacon_interval;
576 u_int8_t param_base_ath_capability;
577 u_int8_t param_xr_ath_capability;
578 } __packed;
579
580 /* Atheros capabilities */
581 #define IEEE80211_ATHC_TURBOP 0x0001 /* Turbo Prime */
582 #define IEEE80211_ATHC_COMP 0x0002 /* Compression */
583 #define IEEE80211_ATHC_FF 0x0004 /* Fast Frames */
584 #define IEEE80211_ATHC_XR 0x0008 /* Xtended Range support */
585 #define IEEE80211_ATHC_AR 0x0010 /* Advanced Radar support */
586 #define IEEE80211_ATHC_BURST 0x0020 /* Bursting - not negotiated */
587 #define IEEE80211_ATHC_WME 0x0040 /* CWMin tuning */
588 #define IEEE80211_ATHC_BOOST 0x0080 /* Boost */
589
590 /*
591 * Management Notification Frame
592 */
593 struct ieee80211_mnf {
594 u_int8_t mnf_category;
595 u_int8_t mnf_action;
596 u_int8_t mnf_dialog;
597 u_int8_t mnf_status;
598 } __packed;
599 #define MNF_SETUP_REQ 0
600 #define MNF_SETUP_RESP 1
601 #define MNF_TEARDOWN 2
602
603 /*
604 * Control frames.
605 */
606 struct ieee80211_frame_min {
607 u_int8_t i_fc[2];
608 __le16 i_dur;
609 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
610 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
611 /* FCS */
612 } __packed;
613
614 struct ieee80211_frame_rts {
615 u_int8_t i_fc[2];
616 __le16 i_dur;
617 u_int8_t i_ra[IEEE80211_ADDR_LEN];
618 u_int8_t i_ta[IEEE80211_ADDR_LEN];
619 /* FCS */
620 } __packed;
621
622 struct ieee80211_frame_cts {
623 u_int8_t i_fc[2];
624 __le16 i_dur;
625 u_int8_t i_ra[IEEE80211_ADDR_LEN];
626 /* FCS */
627 } __packed;
628
629 struct ieee80211_frame_ack {
630 u_int8_t i_fc[2];
631 __le16 i_dur;
632 u_int8_t i_ra[IEEE80211_ADDR_LEN];
633 /* FCS */
634 } __packed;
635
636 struct ieee80211_frame_pspoll {
637 u_int8_t i_fc[2];
638 u_int8_t i_aid[2];
639 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
640 u_int8_t i_ta[IEEE80211_ADDR_LEN];
641 /* FCS */
642 } __packed;
643
644 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
645 u_int8_t i_fc[2];
646 __le16 i_dur; /* should be zero */
647 u_int8_t i_ra[IEEE80211_ADDR_LEN];
648 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
649 /* FCS */
650 } __packed;
651
652 /*
653 * BEACON management packets
654 *
655 * octet timestamp[8]
656 * octet beacon interval[2]
657 * octet capability information[2]
658 * information element
659 * octet elemid
660 * octet length
661 * octet information[length]
662 */
663
664 typedef u_int8_t *ieee80211_mgt_beacon_t;
665
666 #define IEEE80211_BEACON_INTERVAL(beacon) \
667 ((beacon)[8] | ((beacon)[9] << 8))
668 #define IEEE80211_BEACON_CAPABILITY(beacon) \
669 ((beacon)[10] | ((beacon)[11] << 8))
670
671 #define IEEE80211_CAPINFO_ESS 0x0001
672 #define IEEE80211_CAPINFO_IBSS 0x0002
673 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
674 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
675 #define IEEE80211_CAPINFO_PRIVACY 0x0010
676 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
677 #define IEEE80211_CAPINFO_PBCC 0x0040
678 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
679 /* bits 8-9 are reserved (8 now for spectrum management) */
680 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
681 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
682 #define IEEE80211_CAPINFO_RSN 0x0800
683 /* bit 12 is reserved */
684 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
685 /* bits 14-15 are reserved */
686
687 /*
688 * 802.11i/WPA information element (maximally sized).
689 */
690 struct ieee80211_ie_wpa {
691 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
692 u_int8_t wpa_len; /* length in bytes */
693 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
694 u_int8_t wpa_type; /* OUI type */
695 u_int16_t wpa_version; /* spec revision */
696 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */
697 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
698 u_int32_t wpa_uciphers[8]; /* ciphers */
699 u_int16_t wpa_authselcnt; /* authentication selector cnt*/
700 u_int32_t wpa_authsels[8]; /* selectors */
701 u_int16_t wpa_caps; /* 802.11i capabilities */
702 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
703 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */
704 } __packed;
705
706 /*
707 * Management information element payloads.
708 */
709
710 enum {
711 IEEE80211_ELEMID_SSID = 0,
712 IEEE80211_ELEMID_RATES = 1,
713 IEEE80211_ELEMID_FHPARMS = 2,
714 IEEE80211_ELEMID_DSPARMS = 3,
715 IEEE80211_ELEMID_CFPARMS = 4,
716 IEEE80211_ELEMID_TIM = 5,
717 IEEE80211_ELEMID_IBSSPARMS = 6,
718 IEEE80211_ELEMID_COUNTRY = 7,
719 IEEE80211_ELEMID_HOPPATRNPARMS = 8,
720 IEEE80211_ELEMID_HOPPATRNTABLE = 9,
721 IEEE80211_ELEMID_REQINFO = 10,
722 IEEE80211_ELEMID_QBSSLOAD = 11,
723 IEEE80211_ELEMID_EDCAPARAM = 12,
724 IEEE80211_ELEMID_TSPEC = 13,
725 IEEE80211_ELEMID_TRAFCLASS = 14,
726 IEEE80211_ELEMID_SCHEDULE = 15,
727 IEEE80211_ELEMID_CHALLENGE = 16,
728 /* 17-31 reserved for challenge text extension */
729 IEEE80211_ELEMID_PWRCNSTR = 32,
730 IEEE80211_ELEMID_PWRCAP = 33,
731 IEEE80211_ELEMID_TPCREQ = 34,
732 IEEE80211_ELEMID_TPCREP = 35,
733 IEEE80211_ELEMID_SUPPCHAN = 36,
734 IEEE80211_ELEMID_CHANSWITCHANN = 37,
735 IEEE80211_ELEMID_MEASREQ = 38,
736 IEEE80211_ELEMID_MEASREP = 39,
737 IEEE80211_ELEMID_QUIET = 40,
738 IEEE80211_ELEMID_IBSSDFS = 41,
739 IEEE80211_ELEMID_ERP = 42,
740 IEEE80211_ELEMID_TSDELAY = 43,
741 IEEE80211_ELEMID_TCLASSPROC = 44,
742 IEEE80211_ELEMID_QOS = 46,
743 IEEE80211_ELEMID_RSN = 48,
744 /* 49 reserved */
745 IEEE80211_ELEMID_XRATES = 50,
746 /* 128-129 proprietary elements used by Agere chipsets */
747 IEEE80211_ELEMID_AGERE1 = 128,
748 IEEE80211_ELEMID_AGERE2 = 129,
749 IEEE80211_ELEMID_TPC = 150,
750 IEEE80211_ELEMID_CCKM = 156,
751 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
752 };
753
754 #define IEEE80211_CHANSWITCHANN_BYTES 5
755 #define BITCTL_BUFD_MCAST 1
756 #define BITCTL_BUFD_UCAST_AID_MASK ((u_int8_t)~(BITCTL_BUFD_MCAST))
757 #define BITCTL_BUFD_UCAST_AID_SHIFT 1
758
759 struct ieee80211_tim_ie {
760 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
761 u_int8_t tim_len;
762 u_int8_t tim_count; /* DTIM count */
763 u_int8_t tim_period; /* DTIM period */
764 u_int8_t tim_bitctl; /* bitmap control */
765 u_int8_t tim_bitmap[1]; /* variable-length bitmap */
766 } __packed;
767
768 struct ieee80211_country_ie {
769 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
770 u_int8_t len;
771 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
772 struct {
773 u_int8_t schan; /* starting channel */
774 u_int8_t nchan; /* number channels */
775 u_int8_t maxtxpwr; /* tx power cap */
776 } __packed band[4]; /* up to 4 sub bands */
777 } __packed;
778
779 #define IEEE80211_CHALLENGE_LEN 128
780
781 #define IEEE80211_SUPPCHAN_LEN 26
782
783 #define IEEE80211_RATE_BASIC 0x80
784 #define IEEE80211_RATE_VAL 0x7f
785
786 /* EPR information element flags */
787 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
788 #define IEEE80211_ERP_USE_PROTECTION 0x02
789 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
790
791 /* Atheros private advanced capabilities info */
792 #define ATHEROS_CAP_TURBO_PRIME 0x01
793 #define ATHEROS_CAP_COMPRESSION 0x02
794 #define ATHEROS_CAP_FAST_FRAME 0x04
795 /* bits 3-6 reserved */
796 #define ATHEROS_CAP_BOOST 0x80
797
798 #define ATH_OUI 0x7f0300 /* Atheros OUI */
799 #define ATH_OUI_TYPE 0x01
800 #define ATH_OUI_SUBTYPE 0x01
801 #define ATH_OUI_VERSION 0x00
802 #define ATH_OUI_TYPE_XR 0x03
803 #define ATH_OUI_SUBTYPE_XR 0x01
804 #define ATH_OUI_VER_XR 0x00
805
806 #define WPA_OUI 0xf25000
807 #define WPA_OUI_TYPE 0x01
808 #define WPA_VERSION 1 /* current supported version */
809
810 #define WPA_CSE_NULL 0x00
811 #define WPA_CSE_WEP40 0x01
812 #define WPA_CSE_TKIP 0x02
813 #define WPA_CSE_CCMP 0x04
814 #define WPA_CSE_WEP104 0x05
815
816 #define WPA_ASE_NONE 0x00
817 #define WPA_ASE_8021X_UNSPEC 0x01
818 #define WPA_ASE_8021X_PSK 0x02
819
820 #define RSN_OUI 0xac0f00
821 #define RSN_VERSION 1 /* current supported version */
822
823 #define RSN_CSE_NULL 0x00
824 #define RSN_CSE_WEP40 0x01
825 #define RSN_CSE_TKIP 0x02
826 #define RSN_CSE_WRAP 0x03
827 #define RSN_CSE_CCMP 0x04
828 #define RSN_CSE_WEP104 0x05
829
830 #define RSN_ASE_NONE 0x00
831 #define RSN_ASE_8021X_UNSPEC 0x01
832 #define RSN_ASE_8021X_PSK 0x02
833
834 #define RSN_CAP_PREAUTH 0x01
835
836 #define WME_OUI 0xf25000
837 #define WME_OUI_TYPE 0x02
838 #define WME_INFO_OUI_SUBTYPE 0x00
839 #define WME_PARAM_OUI_SUBTYPE 0x01
840 #define WME_VERSION 1
841
842 /* WME stream classes */
843 #define WME_AC_BE 0 /* best effort */
844 #define WME_AC_BK 1 /* background */
845 #define WME_AC_VI 2 /* video */
846 #define WME_AC_VO 3 /* voice */
847
848 /*
849 * AUTH management packets
850 *
851 * octet algo[2]
852 * octet seq[2]
853 * octet status[2]
854 * octet chal.id
855 * octet chal.length
856 * octet chal.text[253]
857 */
858
859 typedef u_int8_t *ieee80211_mgt_auth_t;
860
861 #define IEEE80211_AUTH_ALGORITHM(auth) \
862 ((auth)[0] | ((auth)[1] << 8))
863 #define IEEE80211_AUTH_TRANSACTION(auth) \
864 ((auth)[2] | ((auth)[3] << 8))
865 #define IEEE80211_AUTH_STATUS(auth) \
866 ((auth)[4] | ((auth)[5] << 8))
867
868 #define IEEE80211_AUTH_ALG_OPEN 0x0000
869 #define IEEE80211_AUTH_ALG_SHARED 0x0001
870 #define IEEE80211_AUTH_ALG_LEAP 0x0080
871
872 enum {
873 IEEE80211_AUTH_OPEN_REQUEST = 1,
874 IEEE80211_AUTH_OPEN_RESPONSE = 2,
875 };
876
877 enum {
878 IEEE80211_AUTH_SHARED_REQUEST = 1,
879 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
880 IEEE80211_AUTH_SHARED_RESPONSE = 3,
881 IEEE80211_AUTH_SHARED_PASS = 4,
882 };
883
884 /*
885 * Reason codes
886 *
887 * Unlisted codes are reserved
888 */
889
890 enum {
891 IEEE80211_REASON_UNSPECIFIED = 1,
892 IEEE80211_REASON_AUTH_EXPIRE = 2,
893 IEEE80211_REASON_AUTH_LEAVE = 3,
894 IEEE80211_REASON_ASSOC_EXPIRE = 4,
895 IEEE80211_REASON_ASSOC_TOOMANY = 5,
896 IEEE80211_REASON_NOT_AUTHED = 6,
897 IEEE80211_REASON_NOT_ASSOCED = 7,
898 IEEE80211_REASON_ASSOC_LEAVE = 8,
899 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
900
901 IEEE80211_REASON_PWRCAP_UNACCEPTABLE = 10,
902 IEEE80211_REASON_SUPPCHAN_UNACCEPTABLE = 11,
903 IEEE80211_REASON_RSN_REQUIRED = 11,
904 IEEE80211_REASON_RSN_INCONSISTENT = 12,
905 IEEE80211_REASON_IE_INVALID = 13,
906 IEEE80211_REASON_MIC_FAILURE = 14,
907
908 IEEE80211_STATUS_SUCCESS = 0,
909 IEEE80211_STATUS_UNSPECIFIED = 1,
910 IEEE80211_STATUS_CAPINFO = 10,
911 IEEE80211_STATUS_NOT_ASSOCED = 11,
912 IEEE80211_STATUS_OTHER = 12,
913 IEEE80211_STATUS_ALG = 13,
914 IEEE80211_STATUS_SEQUENCE = 14,
915 IEEE80211_STATUS_CHALLENGE = 15,
916 IEEE80211_STATUS_TIMEOUT = 16,
917 IEEE80211_STATUS_TOOMANY = 17,
918 IEEE80211_STATUS_BASIC_RATE = 18,
919 IEEE80211_STATUS_SP_REQUIRED = 19,
920 IEEE80211_STATUS_PBCC_REQUIRED = 20,
921 IEEE80211_STATUS_CA_REQUIRED = 21,
922 IEEE80211_STATUS_SM_REQUIRED = 22,
923 IEEE80211_STATUS_PWRCAP_UNACCEPTABLE = 23,
924 IEEE80211_STATUS_SUPPCHAN_UNACCEPTABLE = 24,
925 IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
926 IEEE80211_STATUS_RATES = 23,
927 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
928 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
929 };
930
931 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
932 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
933 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
934 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
935 #define IEEE80211_WEP_NKID 4 /* number of key ids */
936
937 /*
938 * 802.11i defines an extended IV for use with non-WEP ciphers.
939 * When the EXTIV bit is set in the key id byte an additional
940 * 4 bytes immediately follow the IV for TKIP. For CCMP the
941 * EXTIV bit is likewise set but the 8 bytes represent the
942 * CCMP header rather than IV+extended-IV.
943 */
944 #define IEEE80211_WEP_EXTIV 0x20
945 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
946 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
947
948 #define IEEE80211_CRC_LEN 4
949
950 /*
951 * Maximum acceptable MTU is:
952 * IEEE80211_MAX_LEN - WEP overhead - CRC -
953 * QoS overhead - RSN/WPA overhead
954 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
955 * mtu is Ethernet-compatible; it's set by ether_ifattach.
956 */
957 #define IEEE80211_MTU_MAX 2290
958 #define IEEE80211_MTU_MIN 32
959
960 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
961 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
962 #define IEEE80211_ACK_LEN \
963 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
964 #define IEEE80211_MIN_LEN \
965 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
966
967 /*
968 * The 802.11 spec says at most 2007 stations may be
969 * associated at once. For most APs this is way more
970 * than is feasible so we use a default of 128. This
971 * number may be overridden by the driver and/or by
972 * user configuration.
973 */
974 #define IEEE80211_AID_MAX 2007
975 #define IEEE80211_AID_DEF 128
976
977 #define IEEE80211_AID(b) ((b) &~ 0xc000)
978
979 /*
980 * RTS frame length parameters. The default is specified in
981 * the 802.11 spec. The max may be wrong for jumbo frames.
982 */
983 #define IEEE80211_RTS_DEFAULT 512
984 #define IEEE80211_RTS_MIN 1
985 #define IEEE80211_RTS_MAX 2346
986
987 /*
988 * Regulatory extension identifier for country IE.
989 */
990 #define IEEE80211_REG_EXT_ID 201
991
992 /*
993 * IEEE 802.11 timer synchronization function (TSF) timestamp length
994 */
995 #define IEEE80211_TSF_LEN 8
996
997 #endif /* _NET80211_IEEE80211_H_ */
Staging tree of Zoltan Herpai