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diff --git a/src/transport/wlan/ieee80211.h b/src/transport/wlan/ieee80211.h
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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 * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.12 2006/12/01 18:40:51 imp Exp $
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 */
46struct ieee80211_plcp_hdr
47{
48 u_int16_t i_sfd;
49 u_int8_t i_signal;
50 u_int8_t i_service;
51 u_int16_t i_length;
52 u_int16_t i_crc;
53} GNUNET_PACKED;
54
55#define IEEE80211_PLCP_SFD 0xF3A0
56#define IEEE80211_PLCP_SERVICE 0x00
57
58/*
59 * generic definitions for IEEE 802.11 frames
60 */
61struct ieee80211_frame
62{
63 u_int8_t i_fc[2];
64 u_int8_t i_dur[2];
65 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
66 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
67 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
68 u_int8_t i_seq[2];
69 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
70 /* see below */
71} GNUNET_PACKED;
72
73struct ieee80211_qosframe
74{
75 u_int8_t i_fc[2];
76 u_int8_t i_dur[2];
77 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
78 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
79 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
80 u_int8_t i_seq[2];
81 u_int8_t i_qos[2];
82 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
83 /* see below */
84} GNUNET_PACKED;
85
86struct ieee80211_qoscntl
87{
88 u_int8_t i_qos[2];
89};
90
91struct ieee80211_frame_addr4
92{
93 u_int8_t i_fc[2];
94 u_int8_t i_dur[2];
95 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
96 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
97 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
98 u_int8_t i_seq[2];
99 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
100} GNUNET_PACKED;
101
102
103struct ieee80211_qosframe_addr4
104{
105 u_int8_t i_fc[2];
106 u_int8_t i_dur[2];
107 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
108 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
109 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
110 u_int8_t i_seq[2];
111 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
112 u_int8_t i_qos[2];
113} GNUNET_PACKED;
114
115#define IEEE80211_FC0_VERSION_MASK 0x03
116#define IEEE80211_FC0_VERSION_SHIFT 0
117#define IEEE80211_FC0_VERSION_0 0x00
118#define IEEE80211_FC0_TYPE_MASK 0x0c
119#define IEEE80211_FC0_TYPE_SHIFT 2
120#define IEEE80211_FC0_TYPE_MGT 0x00
121#define IEEE80211_FC0_TYPE_CTL 0x04
122#define IEEE80211_FC0_TYPE_DATA 0x08
123
124#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
125#define IEEE80211_FC0_SUBTYPE_SHIFT 4
126/* for TYPE_MGT */
127#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
128#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
129#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
130#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
131#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
132#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
133#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
134#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
135#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
136#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
137#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
138/* for TYPE_CTL */
139#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
140#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
141#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
142#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
143#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
144#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
145/* for TYPE_DATA (bit combination) */
146#define IEEE80211_FC0_SUBTYPE_DATA 0x00
147#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
148#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
149#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
150#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
151#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
152#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
153#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
154#define IEEE80211_FC0_SUBTYPE_QOS 0x80
155#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
156
157#define IEEE80211_FC1_DIR_MASK 0x03
158#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
159#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
160#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
161#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
162
163#define IEEE80211_FC1_MORE_FRAG 0x04
164#define IEEE80211_FC1_RETRY 0x08
165#define IEEE80211_FC1_PWR_MGT 0x10
166#define IEEE80211_FC1_MORE_DATA 0x20
167#define IEEE80211_FC1_WEP 0x40
168#define IEEE80211_FC1_ORDER 0x80
169
170#define IEEE80211_SEQ_FRAG_MASK 0x000f
171#define IEEE80211_SEQ_FRAG_SHIFT 0
172#define IEEE80211_SEQ_SEQ_MASK 0xfff0
173#define IEEE80211_SEQ_SEQ_SHIFT 4
174
175#define IEEE80211_NWID_LEN 32
176
177#define IEEE80211_QOS_TXOP 0x00ff
178/* bit 8 is reserved */
179#define IEEE80211_QOS_ACKPOLICY 0x60
180#define IEEE80211_QOS_ACKPOLICY_S 5
181#define IEEE80211_QOS_ESOP 0x10
182#define IEEE80211_QOS_ESOP_S 4
183#define IEEE80211_QOS_TID 0x0f
184
185/* does frame have QoS sequence control data */
186#define IEEE80211_QOS_HAS_SEQ(wh) \
187 (((wh)->i_fc[0] & \
188 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
189 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
190
191/*
192 * WME/802.11e information element.
193 */
194struct ieee80211_wme_info
195{
196 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
197 u_int8_t wme_len; /* length in bytes */
198 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
199 u_int8_t wme_type; /* OUI type */
200 u_int8_t wme_subtype; /* OUI subtype */
201 u_int8_t wme_version; /* spec revision */
202 u_int8_t wme_info; /* QoS info */
203} GNUNET_PACKED;
204
205/*
206 * WME/802.11e Tspec Element
207 */
208struct ieee80211_wme_tspec
209{
210 u_int8_t ts_id;
211 u_int8_t ts_len;
212 u_int8_t ts_oui[3];
213 u_int8_t ts_oui_type;
214 u_int8_t ts_oui_subtype;
215 u_int8_t ts_version;
216 u_int8_t ts_tsinfo[3];
217 u_int8_t ts_nom_msdu[2];
218 u_int8_t ts_max_msdu[2];
219 u_int8_t ts_min_svc[4];
220 u_int8_t ts_max_svc[4];
221 u_int8_t ts_inactv_intv[4];
222 u_int8_t ts_susp_intv[4];
223 u_int8_t ts_start_svc[4];
224 u_int8_t ts_min_rate[4];
225 u_int8_t ts_mean_rate[4];
226 u_int8_t ts_max_burst[4];
227 u_int8_t ts_min_phy[4];
228 u_int8_t ts_peak_rate[4];
229 u_int8_t ts_delay[4];
230 u_int8_t ts_surplus[2];
231 u_int8_t ts_medium_time[2];
232} GNUNET_PACKED;
233
234/*
235 * WME AC parameter field
236 */
237struct ieee80211_wme_acparams
238{
239 u_int8_t acp_aci_aifsn;
240 u_int8_t acp_logcwminmax;
241 u_int16_t acp_txop;
242} GNUNET_PACKED;
243
244#define WME_NUM_AC 4 /* 4 AC categories */
245
246#define WME_PARAM_ACI 0x60 /* Mask for ACI field */
247#define WME_PARAM_ACI_S 5 /* Shift for ACI field */
248#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
249#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
250#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
251#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
252#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
253#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
254#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
255#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
256
257#define WME_AC_TO_TID(_ac) ( \
258 ((_ac) == WME_AC_VO) ? 6 : \
259 ((_ac) == WME_AC_VI) ? 5 : \
260 ((_ac) == WME_AC_BK) ? 1 : \
261 0)
262
263#define TID_TO_WME_AC(_tid) ( \
264 ((_tid) < 1) ? WME_AC_BE : \
265 ((_tid) < 3) ? WME_AC_BK : \
266 ((_tid) < 6) ? WME_AC_VI : \
267 WME_AC_VO)
268
269/*
270 * WME Parameter Element
271 */
272struct ieee80211_wme_param
273{
274 u_int8_t param_id;
275 u_int8_t param_len;
276 u_int8_t param_oui[3];
277 u_int8_t param_oui_type;
278 u_int8_t param_oui_sybtype;
279 u_int8_t param_version;
280 u_int8_t param_qosInfo;
281#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
282 u_int8_t param_reserved;
283 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
284} GNUNET_PACKED;
285
286/*
287 * Management Notification Frame
288 */
289struct ieee80211_mnf
290{
291 u_int8_t mnf_category;
292 u_int8_t mnf_action;
293 u_int8_t mnf_dialog;
294 u_int8_t mnf_status;
295} GNUNET_PACKED;
296
297#define MNF_SETUP_REQ 0
298#define MNF_SETUP_RESP 1
299#define MNF_TEARDOWN 2
300
301/*
302 * Control frames.
303 */
304struct ieee80211_frame_min
305{
306 u_int8_t i_fc[2];
307 u_int8_t i_dur[2];
308 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
309 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
310 /* FCS */
311} GNUNET_PACKED;
312
313struct ieee80211_frame_rts
314{
315 u_int8_t i_fc[2];
316 u_int8_t i_dur[2];
317 u_int8_t i_ra[IEEE80211_ADDR_LEN];
318 u_int8_t i_ta[IEEE80211_ADDR_LEN];
319 /* FCS */
320} GNUNET_PACKED;
321
322struct ieee80211_frame_cts
323{
324 u_int8_t i_fc[2];
325 u_int8_t i_dur[2];
326 u_int8_t i_ra[IEEE80211_ADDR_LEN];
327 /* FCS */
328} GNUNET_PACKED;
329
330struct ieee80211_frame_ack
331{
332 u_int8_t i_fc[2];
333 u_int8_t i_dur[2];
334 u_int8_t i_ra[IEEE80211_ADDR_LEN];
335 /* FCS */
336} GNUNET_PACKED;
337
338struct ieee80211_frame_pspoll
339{
340 u_int8_t i_fc[2];
341 u_int8_t i_aid[2];
342 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
343 u_int8_t i_ta[IEEE80211_ADDR_LEN];
344 /* FCS */
345} GNUNET_PACKED;
346
347struct ieee80211_frame_cfend
348{ /* NB: also CF-End+CF-Ack */
349 u_int8_t i_fc[2];
350 u_int8_t i_dur[2]; /* should be zero */
351 u_int8_t i_ra[IEEE80211_ADDR_LEN];
352 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
353 /* FCS */
354} GNUNET_PACKED;
355
356/*
357 * BEACON management packets
358 *
359 * octet timestamp[8]
360 * octet beacon interval[2]
361 * octet capability information[2]
362 * information element
363 * octet elemid
364 * octet length
365 * octet information[length]
366 */
367
368typedef u_int8_t *ieee80211_mgt_beacon_t;
369
370#define IEEE80211_BEACON_INTERVAL(beacon) \
371 ((beacon)[8] | ((beacon)[9] << 8))
372#define IEEE80211_BEACON_CAPABILITY(beacon) \
373 ((beacon)[10] | ((beacon)[11] << 8))
374
375#define IEEE80211_CAPINFO_ESS 0x0001
376#define IEEE80211_CAPINFO_IBSS 0x0002
377#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
378#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
379#define IEEE80211_CAPINFO_PRIVACY 0x0010
380#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
381#define IEEE80211_CAPINFO_PBCC 0x0040
382#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
383/* bits 8-9 are reserved */
384#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
385#define IEEE80211_CAPINFO_RSN 0x0800
386/* bit 12 is reserved */
387#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
388/* bits 14-15 are reserved */
389
390/*
391 * 802.11i/WPA information element (maximally sized).
392 */
393struct ieee80211_ie_wpa
394{
395 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
396 u_int8_t wpa_len; /* length in bytes */
397 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
398 u_int8_t wpa_type; /* OUI type */
399 u_int16_t wpa_version; /* spec revision */
400 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */
401 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
402 u_int32_t wpa_uciphers[8]; /* ciphers */
403 u_int16_t wpa_authselcnt; /* authentication selector cnt */
404 u_int32_t wpa_authsels[8]; /* selectors */
405 u_int16_t wpa_caps; /* 802.11i capabilities */
406 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
407 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */
408} GNUNET_PACKED;
409
410/*
411 * Management information element payloads.
412 */
413
414enum
415{
416 IEEE80211_ELEMID_SSID = 0,
417 IEEE80211_ELEMID_RATES = 1,
418 IEEE80211_ELEMID_FHPARMS = 2,
419 IEEE80211_ELEMID_DSPARMS = 3,
420 IEEE80211_ELEMID_CFPARMS = 4,
421 IEEE80211_ELEMID_TIM = 5,
422 IEEE80211_ELEMID_IBSSPARMS = 6,
423 IEEE80211_ELEMID_COUNTRY = 7,
424 IEEE80211_ELEMID_CHALLENGE = 16,
425 /* 17-31 reserved for challenge text extension */
426 IEEE80211_ELEMID_ERP = 42,
427 IEEE80211_ELEMID_RSN = 48,
428 IEEE80211_ELEMID_XRATES = 50,
429 IEEE80211_ELEMID_TPC = 150,
430 IEEE80211_ELEMID_CCKM = 156,
431 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
432};
433
434struct ieee80211_tim_ie
435{
436 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
437 u_int8_t tim_len;
438 u_int8_t tim_count; /* DTIM count */
439 u_int8_t tim_period; /* DTIM period */
440 u_int8_t tim_bitctl; /* bitmap control */
441 u_int8_t tim_bitmap[1]; /* variable-length bitmap */
442} GNUNET_PACKED;
443
444struct ieee80211_country_ie
445{
446 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
447 u_int8_t len;
448 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
449 struct
450 {
451 u_int8_t schan; /* starting channel */
452 u_int8_t nchan; /* number channels */
453 u_int8_t maxtxpwr; /* tx power cap */
454 } GNUNET_PACKED band[4]; /* up to 4 sub bands */
455} GNUNET_PACKED;
456
457#define IEEE80211_CHALLENGE_LEN 128
458
459#define IEEE80211_RATE_BASIC 0x80
460#define IEEE80211_RATE_VAL 0x7f
461
462/* EPR information element flags */
463#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
464#define IEEE80211_ERP_USE_PROTECTION 0x02
465#define IEEE80211_ERP_LONG_PREAMBLE 0x04
466
467/* Atheros private advanced capabilities info */
468#define ATHEROS_CAP_TURBO_PRIME 0x01
469#define ATHEROS_CAP_COMPRESSION 0x02
470#define ATHEROS_CAP_FAST_FRAME 0x04
471/* bits 3-6 reserved */
472#define ATHEROS_CAP_BOOST 0x80
473
474#define ATH_OUI 0x7f0300 /* Atheros OUI */
475#define ATH_OUI_TYPE 0x01
476#define ATH_OUI_VERSION 0x01
477
478#define WPA_OUI 0xf25000
479#define WPA_OUI_TYPE 0x01
480#define WPA_VERSION 1 /* current supported version */
481
482#define WPA_CSE_NULL 0x00
483#define WPA_CSE_WEP40 0x01
484#define WPA_CSE_TKIP 0x02
485#define WPA_CSE_CCMP 0x04
486#define WPA_CSE_WEP104 0x05
487
488#define WPA_ASE_NONE 0x00
489#define WPA_ASE_8021X_UNSPEC 0x01
490#define WPA_ASE_8021X_PSK 0x02
491
492#define RSN_OUI 0xac0f00
493#define RSN_VERSION 1 /* current supported version */
494
495#define RSN_CSE_NULL 0x00
496#define RSN_CSE_WEP40 0x01
497#define RSN_CSE_TKIP 0x02
498#define RSN_CSE_WRAP 0x03
499#define RSN_CSE_CCMP 0x04
500#define RSN_CSE_WEP104 0x05
501
502#define RSN_ASE_NONE 0x00
503#define RSN_ASE_8021X_UNSPEC 0x01
504#define RSN_ASE_8021X_PSK 0x02
505
506#define RSN_CAP_PREAUTH 0x01
507
508#define WME_OUI 0xf25000
509#define WME_OUI_TYPE 0x02
510#define WME_INFO_OUI_SUBTYPE 0x00
511#define WME_PARAM_OUI_SUBTYPE 0x01
512#define WME_VERSION 1
513
514/* WME stream classes */
515#define WME_AC_BE 0 /* best effort */
516#define WME_AC_BK 1 /* background */
517#define WME_AC_VI 2 /* video */
518#define WME_AC_VO 3 /* voice */
519
520/*
521 * AUTH management packets
522 *
523 * octet algo[2]
524 * octet seq[2]
525 * octet status[2]
526 * octet chal.id
527 * octet chal.length
528 * octet chal.text[253]
529 */
530
531typedef u_int8_t *ieee80211_mgt_auth_t;
532
533#define IEEE80211_AUTH_ALGORITHM(auth) \
534 ((auth)[0] | ((auth)[1] << 8))
535#define IEEE80211_AUTH_TRANSACTION(auth) \
536 ((auth)[2] | ((auth)[3] << 8))
537#define IEEE80211_AUTH_STATUS(auth) \
538 ((auth)[4] | ((auth)[5] << 8))
539
540#define IEEE80211_AUTH_ALG_OPEN 0x0000
541#define IEEE80211_AUTH_ALG_SHARED 0x0001
542#define IEEE80211_AUTH_ALG_LEAP 0x0080
543
544enum
545{
546 IEEE80211_AUTH_OPEN_REQUEST = 1,
547 IEEE80211_AUTH_OPEN_RESPONSE = 2,
548};
549
550enum
551{
552 IEEE80211_AUTH_SHARED_REQUEST = 1,
553 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
554 IEEE80211_AUTH_SHARED_RESPONSE = 3,
555 IEEE80211_AUTH_SHARED_PASS = 4,
556};
557
558/*
559 * Reason codes
560 *
561 * Unlisted codes are reserved
562 */
563
564enum
565{
566 IEEE80211_REASON_UNSPECIFIED = 1,
567 IEEE80211_REASON_AUTH_EXPIRE = 2,
568 IEEE80211_REASON_AUTH_LEAVE = 3,
569 IEEE80211_REASON_ASSOC_EXPIRE = 4,
570 IEEE80211_REASON_ASSOC_TOOMANY = 5,
571 IEEE80211_REASON_NOT_AUTHED = 6,
572 IEEE80211_REASON_NOT_ASSOCED = 7,
573 IEEE80211_REASON_ASSOC_LEAVE = 8,
574 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
575
576 IEEE80211_REASON_RSN_REQUIRED = 11,
577 IEEE80211_REASON_RSN_INCONSISTENT = 12,
578 IEEE80211_REASON_IE_INVALID = 13,
579 IEEE80211_REASON_MIC_FAILURE = 14,
580
581 IEEE80211_STATUS_SUCCESS = 0,
582 IEEE80211_STATUS_UNSPECIFIED = 1,
583 IEEE80211_STATUS_CAPINFO = 10,
584 IEEE80211_STATUS_NOT_ASSOCED = 11,
585 IEEE80211_STATUS_OTHER = 12,
586 IEEE80211_STATUS_ALG = 13,
587 IEEE80211_STATUS_SEQUENCE = 14,
588 IEEE80211_STATUS_CHALLENGE = 15,
589 IEEE80211_STATUS_TIMEOUT = 16,
590 IEEE80211_STATUS_TOOMANY = 17,
591 IEEE80211_STATUS_BASIC_RATE = 18,
592 IEEE80211_STATUS_SP_REQUIRED = 19,
593 IEEE80211_STATUS_PBCC_REQUIRED = 20,
594 IEEE80211_STATUS_CA_REQUIRED = 21,
595 IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
596 IEEE80211_STATUS_RATES = 23,
597 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
598 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
599};
600
601#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
602#define IEEE80211_WEP_IVLEN 3 /* 24bit */
603#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
604#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
605#define IEEE80211_WEP_NKID 4 /* number of key ids */
606
607/*
608 * 802.11i defines an extended IV for use with non-WEP ciphers.
609 * When the EXTIV bit is set in the key id byte an additional
610 * 4 bytes immediately follow the IV for TKIP. For CCMP the
611 * EXTIV bit is likewise set but the 8 bytes represent the
612 * CCMP header rather than IV+extended-IV.
613 */
614#define IEEE80211_WEP_EXTIV 0x20
615#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
616#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
617
618#define IEEE80211_CRC_LEN 4
619
620/*
621 * Maximum acceptable MTU is:
622 * IEEE80211_MAX_LEN - WEP overhead - CRC -
623 * QoS overhead - RSN/WPA overhead
624 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
625 * mtu is Ethernet-compatible; it's set by ether_ifattach.
626 */
627#define IEEE80211_MTU_MAX 2290
628#define IEEE80211_MTU_MIN 32
629
630#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
631 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
632#define IEEE80211_ACK_LEN \
633 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
634#define IEEE80211_MIN_LEN \
635 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
636
637/*
638 * The 802.11 spec says at most 2007 stations may be
639 * associated at once. For most AP's this is way more
640 * than is feasible so we use a default of 128. This
641 * number may be overridden by the driver and/or by
642 * user configuration.
643 */
644#define IEEE80211_AID_MAX 2007
645#define IEEE80211_AID_DEF 128
646
647#define IEEE80211_AID(b) ((b) &~ 0xc000)
648
649/*
650 * RTS frame length parameters. The default is specified in
651 * the 802.11 spec as 512; we treat it as implementation-dependent
652 * so it's defined in ieee80211_var.h. The max may be wrong
653 * for jumbo frames.
654 */
655#define IEEE80211_RTS_MIN 1
656#define IEEE80211_RTS_MAX 2346
657
658/*
659 * TX fragmentation parameters. As above for RTS, we treat
660 * default as implementation-dependent so define it elsewhere.
661 */
662#define IEEE80211_FRAG_MIN 256
663#define IEEE80211_FRAG_MAX 2346
664
665/*
666 * Beacon interval (TU's). Min+max come from WiFi requirements.
667 * As above, we treat default as implementation-dependent so
668 * define it elsewhere.
669 */
670#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
671#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
672
673/*
674 * DTIM period (beacons). Min+max are not really defined
675 * by the protocol but we want them publicly visible so
676 * define them here.
677 */
678#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
679#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
680
681/*
682 * Beacon miss threshold (beacons). As for DTIM, we define
683 * them here to be publicly visible. Note the max may be
684 * clamped depending on device capabilities.
685 */
686#define IEEE80211_HWBMISS_MIN 1
687#define IEEE80211_HWBMISS_MAX 255
688
689#endif /* _NET80211_IEEE80211_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-01 14:18:38 +0000