summaryrefslogtreecommitdiffstats
path: root/sys/net80211/ieee80211.h
blob: f21c99a0ba439ff5a4756f8eaddebdd4c5e0e073 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
/*-
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD$
 */
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_

/*
 * 802.11 protocol definitions.
 */

#define	IEEE80211_ADDR_LEN	6		/* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
#define	IEEE80211_IS_MULTICAST(_a)	(*(_a) & 0x01)

/* IEEE 802.11 PLCP header */
struct ieee80211_plcp_hdr {
	u_int16_t	i_sfd;
	u_int8_t	i_signal;
	u_int8_t	i_service;
	u_int16_t	i_length;
	u_int16_t	i_crc;
} __attribute__((__packed__));

#define IEEE80211_PLCP_SFD      0xF3A0 
#define IEEE80211_PLCP_SERVICE  0x00

/*
 * generic definitions for IEEE 802.11 frames
 */
struct ieee80211_frame {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t	i_seq[2];
	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
	/* see below */
} __attribute__((__packed__));

struct ieee80211_qosframe {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t	i_seq[2];
	u_int8_t	i_qos[2];
	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
	/* see below */
} __attribute__((__packed__));

struct ieee80211_qoscntl {
	u_int8_t	i_qos[2];
};

struct ieee80211_frame_addr4 {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t	i_seq[2];
	u_int8_t	i_addr4[IEEE80211_ADDR_LEN];
} __attribute__((__packed__));


struct ieee80211_qosframe_addr4 {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr3[IEEE80211_ADDR_LEN];
	u_int8_t	i_seq[2];
	u_int8_t	i_addr4[IEEE80211_ADDR_LEN];
	u_int8_t	i_qos[2];
} __attribute__((__packed__));

/*
 * Management Notification Frame
 */
struct ieee80211_mnf {
	u_int8_t	mnf_category;
	u_int8_t	mnf_action;
	u_int8_t	mnf_dialog;
	u_int8_t	mnf_status;
} __attribute__((__packed__));
#define	MNF_SETUP_REQ	0
#define	MNF_SETUP_RESP	1
#define	MNF_TEARDOWN	2

/*
 * WME/802.11e Tspec Element
 */
struct ieee80211_wme_tspec {
	u_int8_t	ts_id;
	u_int8_t	ts_len;
	u_int8_t	ts_oui[3];
	u_int8_t	ts_oui_type;
	u_int8_t	ts_oui_subtype;
	u_int8_t	ts_version;
	u_int8_t	ts_tsinfo[3];
	u_int8_t	ts_nom_msdu[2];
	u_int8_t	ts_max_msdu[2];
	u_int8_t	ts_min_svc[4];
	u_int8_t	ts_max_svc[4];
	u_int8_t	ts_inactv_intv[4];
	u_int8_t	ts_susp_intv[4];
	u_int8_t	ts_start_svc[4];
	u_int8_t	ts_min_rate[4];
	u_int8_t	ts_mean_rate[4];
	u_int8_t	ts_max_burst[4];
	u_int8_t	ts_min_phy[4];
	u_int8_t	ts_peak_rate[4];
	u_int8_t	ts_delay[4];
	u_int8_t	ts_surplus[2];
	u_int8_t	ts_medium_time[2];
} __attribute__((__packed__));

#define	IEEE80211_FC0_VERSION_MASK		0x03
#define	IEEE80211_FC0_VERSION_SHIFT		0
#define	IEEE80211_FC0_VERSION_0			0x00
#define	IEEE80211_FC0_TYPE_MASK			0x0c
#define	IEEE80211_FC0_TYPE_SHIFT		2
#define	IEEE80211_FC0_TYPE_MGT			0x00
#define	IEEE80211_FC0_TYPE_CTL			0x04
#define	IEEE80211_FC0_TYPE_DATA			0x08

#define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
#define	IEEE80211_FC0_SUBTYPE_SHIFT		4
/* for TYPE_MGT */
#define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00
#define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10
#define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20
#define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30
#define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40
#define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50
#define	IEEE80211_FC0_SUBTYPE_BEACON		0x80
#define	IEEE80211_FC0_SUBTYPE_ATIM		0x90
#define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0
#define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0
#define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0
/* for TYPE_CTL */
#define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0
#define	IEEE80211_FC0_SUBTYPE_RTS		0xb0
#define	IEEE80211_FC0_SUBTYPE_CTS		0xc0
#define	IEEE80211_FC0_SUBTYPE_ACK		0xd0
#define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0
#define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0
/* for TYPE_DATA (bit combination) */
#define	IEEE80211_FC0_SUBTYPE_DATA		0x00
#define	IEEE80211_FC0_SUBTYPE_CF_ACK		0x10
#define	IEEE80211_FC0_SUBTYPE_CF_POLL		0x20
#define	IEEE80211_FC0_SUBTYPE_CF_ACPL		0x30
#define	IEEE80211_FC0_SUBTYPE_NODATA		0x40
#define	IEEE80211_FC0_SUBTYPE_CFACK		0x50
#define	IEEE80211_FC0_SUBTYPE_CFPOLL		0x60
#define	IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK	0x70
#define	IEEE80211_FC0_SUBTYPE_QOS		0x80

#define	IEEE80211_FC1_DIR_MASK			0x03
#define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
#define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
#define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
#define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */

#define	IEEE80211_FC1_MORE_FRAG			0x04
#define	IEEE80211_FC1_RETRY			0x08
#define	IEEE80211_FC1_PWR_MGT			0x10
#define	IEEE80211_FC1_MORE_DATA			0x20
#define	IEEE80211_FC1_WEP			0x40
#define	IEEE80211_FC1_ORDER			0x80

#define	IEEE80211_SEQ_FRAG_MASK			0x000f
#define	IEEE80211_SEQ_FRAG_SHIFT		0
#define	IEEE80211_SEQ_SEQ_MASK			0xfff0
#define	IEEE80211_SEQ_SEQ_SHIFT			4

#define	IEEE80211_NWID_LEN			32

#define	IEEE80211_QOS_TXOP			0x00ff
/* bit 8 is reserved */
#define	IEEE80211_QOS_ACKPOLICY			0x0600
#define	IEEE80211_QOS_ESOP			0x0800
#define	IEEE80211_QOS_TID			0xf000

/*
 * Control frames.
 */
struct ieee80211_frame_min {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

struct ieee80211_frame_rts {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
	u_int8_t	i_ta[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

struct ieee80211_frame_cts {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

struct ieee80211_frame_ack {
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];
	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

struct ieee80211_frame_pspoll {
	u_int8_t	i_fc[2];
	u_int8_t	i_aid[2];
	u_int8_t	i_bssid[IEEE80211_ADDR_LEN];
	u_int8_t	i_ta[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

struct ieee80211_frame_cfend {		/* NB: also CF-End+CF-Ack */
	u_int8_t	i_fc[2];
	u_int8_t	i_dur[2];	/* should be zero */
	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
	u_int8_t	i_bssid[IEEE80211_ADDR_LEN];
	/* FCS */
} __attribute__((__packed__));

/*
 * BEACON management packets
 *
 *	octet timestamp[8]
 *	octet beacon interval[2]
 *	octet capability information[2]
 *	information element
 *		octet elemid
 *		octet length
 *		octet information[length]
 */

typedef uint8_t *ieee80211_mgt_beacon_t;

#define	IEEE80211_BEACON_INTERVAL(beacon) \
	((beacon)[8] | ((beacon)[9] << 8))
#define	IEEE80211_BEACON_CAPABILITY(beacon) \
	((beacon)[10] | ((beacon)[11] << 8))

#define	IEEE80211_CAPINFO_ESS			0x0001
#define	IEEE80211_CAPINFO_IBSS			0x0002
#define	IEEE80211_CAPINFO_CF_POLLABLE		0x0004
#define	IEEE80211_CAPINFO_CF_POLLREQ		0x0008
#define	IEEE80211_CAPINFO_PRIVACY		0x0010
#define	IEEE80211_CAPINFO_SHORT_PREAMBLE	0x0020
#define	IEEE80211_CAPINFO_PBCC			0x0040
#define	IEEE80211_CAPINFO_CHNL_AGILITY		0x0080
/* bits 8-9 are reserved */
#define	IEEE80211_CAPINFO_SHORT_SLOTTIME	0x0400
#define	IEEE80211_CAPINFO_RSN			0x0800
/* bit 12 is reserved */
#define	IEEE80211_CAPINFO_DSSSOFDM		0x2000
/* bits 14-15 are reserved */

/*
 * 802.11i/WPA information element (maximally sized).
 */
struct ieee80211_ie_wpa {
	u_int8_t	wpa_oui[3];	/* 0x00, 0x50, 0xf2 */
	u_int8_t	wpa_type;	/* OUI type */
	u_int16_t	wpa_version;	/* spec revision */
	u_int32_t	wpa_mcipher[1];	/* multicast/group key cipher */
	u_int16_t	wpa_uciphercnt;	/* # pairwise key ciphers */
	u_int32_t	wpa_uciphers[8];/* ciphers */
	u_int16_t	wpa_authselcnt;	/* authentication selector cnt*/
	u_int32_t	wpa_authsels[8];/* selectors */
} __attribute__((__packed__));

/*
 * Management information elements
 */
struct ieee80211_information {
	char	ssid[IEEE80211_NWID_LEN+1];
	struct rates {
		u_int8_t	*p;
	} rates;
	struct fh {
		u_int16_t	dwell;
		u_int8_t	set;
		u_int8_t	pattern;
		u_int8_t	index;
	} fh;
	struct ds {
		u_int8_t	channel;
	} ds;
	struct cf {
		u_int8_t	count;
		u_int8_t	period;
		u_int8_t	maxdur[2];
		u_int8_t	dur[2];
	} cf;
	struct tim {
		u_int8_t	count;
		u_int8_t	period;
		u_int8_t	bitctl;
		/* u_int8_t	pvt[251]; The driver needs to use this. */
	} tim;
	struct ibss {
		u_int16_t	atim;
	} ibss;
	struct challenge {
		u_int8_t	*p;
		u_int8_t	len;
	} challenge;
	struct erp {
		u_int8_t	flags;
	} erp;
	struct country {
		u_int8_t	cc[3];		/* ISO CC+(I)ndoor/(O)utdoor */
		struct {
			u_int8_t schan;		/* starting channel */
			u_int8_t nchan;		/* number channels */
			u_int8_t maxtxpwr;	
		} band[4];			/* up to 4 sub bands */
	} country;
	struct ath {
		u_int8_t	flags;
	} ath;
	struct ieee80211_ie_wpa	wpa;
};

enum {
	IEEE80211_ELEMID_SSID			= 0,
	IEEE80211_ELEMID_RATES			= 1,
	IEEE80211_ELEMID_FHPARMS		= 2,
	IEEE80211_ELEMID_DSPARMS		= 3,
	IEEE80211_ELEMID_CFPARMS		= 4,
	IEEE80211_ELEMID_TIM			= 5,
	IEEE80211_ELEMID_IBSSPARMS		= 6,
	IEEE80211_ELEMID_COUNTRY		= 7,
	IEEE80211_ELEMID_CHALLENGE		= 16,
	/* 17-31 reserved for challenge text extension */
	IEEE80211_ELEMID_ERP			= 42,
	IEEE80211_ELEMID_XRATES			= 50,
	IEEE80211_ELEMID_TPC			= 150,
	IEEE80211_ELEMID_CCKM			= 156,
	IEEE80211_ELEMID_VENDOR			= 221,	/* vendor private */
};

#define IEEE80211_CHALLENGE_LEN			128

#define	IEEE80211_RATE_BASIC			0x80
#define	IEEE80211_RATE_VAL			0x7f

/* EPR information element flags */
#define	IEEE80211_ERP_NON_ERP_PRESENT		0x01
#define	IEEE80211_ERP_USE_PROTECTION		0x02
#define	IEEE80211_ERP_BARKER_MODE		0x04

/* Atheros private advanced capabilities info */
#define	ATHEROS_CAP_TURBO_PRIME			0x01
#define	ATHEROS_CAP_COMPRESSION			0x02
#define	ATHEROS_CAP_FAST_FRAME			0x04
/* bits 3-6 reserved */
#define	ATHEROS_CAP_BOOST			0x80

#define	ATH_OUI			0x7f0300		/* Atheros OUI */
#define	ATH_OUI_TYPE		0x01
#define	ATH_OUI_VERSION		0x01

#define	WPA_OUI			0xf25000
#define	WPA_OUI_TYPE		0x01
#define	WPA_OUI_VERSION		1		/* current supported version */

#define	WPA_CSE_NULL		0x00
#define	WPA_CSE_WEP40		0x01
#define	WPA_CSE_TKIP		0x02
#define	WPA_CSE_WRAP		0x03		/* WPA2/802.11i */
#define	WPA_CSE_CCMP		0x04
#define	WPA_CSE_WEP104		0x05

#define	WPA_ASE_NONE		0x00
#define	WPA_ASE_8021X_UNSPEC	0x01
#define	WPA_ASE_8021X_PSK	0x02

/*
 * AUTH management packets
 *
 *	octet algo[2]
 *	octet seq[2]
 *	octet status[2]
 *	octet chal.id
 *	octet chal.length
 *	octet chal.text[253]
 */

typedef u_int8_t *ieee80211_mgt_auth_t;

#define	IEEE80211_AUTH_ALGORITHM(auth) \
	((auth)[0] | ((auth)[1] << 8))
#define	IEEE80211_AUTH_TRANSACTION(auth) \
	((auth)[2] | ((auth)[3] << 8))
#define	IEEE80211_AUTH_STATUS(auth) \
	((auth)[4] | ((auth)[5] << 8))

#define	IEEE80211_AUTH_ALG_OPEN			0x0000
#define	IEEE80211_AUTH_ALG_SHARED		0x0001
#define	IEEE80211_AUTH_ALG_LEAP			0x0080

enum {
	IEEE80211_AUTH_OPEN_REQUEST		= 1,
	IEEE80211_AUTH_OPEN_RESPONSE		= 2,
};

enum {
	IEEE80211_AUTH_SHARED_REQUEST		= 1,
	IEEE80211_AUTH_SHARED_CHALLENGE		= 2,
	IEEE80211_AUTH_SHARED_RESPONSE		= 3,
	IEEE80211_AUTH_SHARED_PASS		= 4,
};

/*
 * Reason codes
 *
 * Unlisted codes are reserved
 */

enum {
	IEEE80211_REASON_UNSPECIFIED		= 1,
	IEEE80211_REASON_AUTH_EXPIRE		= 2,
	IEEE80211_REASON_AUTH_LEAVE		= 3,
	IEEE80211_REASON_ASSOC_EXPIRE		= 4,
	IEEE80211_REASON_ASSOC_TOOMANY		= 5,
	IEEE80211_REASON_NOT_AUTHED		= 6,
	IEEE80211_REASON_NOT_ASSOCED		= 7,
	IEEE80211_REASON_ASSOC_LEAVE		= 8,
	IEEE80211_REASON_ASSOC_NOT_AUTHED	= 9,

	IEEE80211_REASON_RSN_REQUIRED		= 11,
	IEEE80211_REASON_RSN_INCONSISTENT	= 12,
	IEEE80211_REASON_IE_INVALID		= 13,
	IEEE80211_REASON_MIC_FAILURE		= 14,

	IEEE80211_STATUS_SUCCESS		= 0,
	IEEE80211_STATUS_UNSPECIFIED		= 1,
	IEEE80211_STATUS_CAPINFO		= 10,
	IEEE80211_STATUS_NOT_ASSOCED		= 11,
	IEEE80211_STATUS_OTHER			= 12,
	IEEE80211_STATUS_ALG			= 13,
	IEEE80211_STATUS_SEQUENCE		= 14,
	IEEE80211_STATUS_CHALLENGE		= 15,
	IEEE80211_STATUS_TIMEOUT		= 16,
	IEEE80211_STATUS_TOOMANY		= 17,
	IEEE80211_STATUS_BASIC_RATE		= 18,
	IEEE80211_STATUS_SP_REQUIRED		= 19,
	IEEE80211_STATUS_PBCC_REQUIRED		= 20,
	IEEE80211_STATUS_CA_REQUIRED		= 21,
	IEEE80211_STATUS_TOO_MANY_STATIONS	= 22,
	IEEE80211_STATUS_RATES			= 23,
	IEEE80211_STATUS_SHORTSLOT_REQUIRED	= 25,
	IEEE80211_STATUS_DSSSOFDM_REQUIRED	= 26,
};

#define	IEEE80211_WEP_KEYLEN			5	/* 40bit */
#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
#define	IEEE80211_WEP_NKID			4	/* number of key ids */

#define	IEEE80211_CRC_LEN			4

/*
 * Maximum acceptable MTU is:
 *	IEEE80211_MAX_LEN - WEP overhead - CRC -
 *		QoS overhead - RSN/WPA overhead
 * Min is arbitrarily chosen > IEEE80211_MIN_LEN.  The default
 * mtu is Ethernet-compatible; it's set by ether_ifattach.
 */
#define	IEEE80211_MTU_MAX			2290
#define	IEEE80211_MTU_MIN			32

#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
#define	IEEE80211_MIN_LEN \
	(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)

/* 
 * RTS frame length parameters.  The default is specified in
 * the 802.11 spec.  The max may be wrong for jumbo frames.
 */
#define	IEEE80211_RTS_DEFAULT			512
#define	IEEE80211_RTS_MIN			1
#define	IEEE80211_RTS_MAX			IEEE80211_MAX_LEN

enum {
	IEEE80211_AUTH_NONE	= 0,
	IEEE80211_AUTH_OPEN	= 1,
	IEEE80211_AUTH_SHARED	= 2,
};

#endif /* _NET80211_IEEE80211_H_ */
OpenPOWER on IntegriCloud