Home | History | Annotate | Line # | Download | only in net80211
ieee80211.h revision 1.1.1.3
      1 /*-
      2  * Copyright (c) 2001 Atsushi Onoe
      3  * Copyright (c) 2002, 2003 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 1.5 2004/04/05 17:47:40 sam 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 */
     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 } __attribute__((__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 	u_int8_t	i_dur[2];
     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 } __attribute__((__packed__));
     70 
     71 struct ieee80211_qosframe {
     72 	u_int8_t	i_fc[2];
     73 	u_int8_t	i_dur[2];
     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 } __attribute__((__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 	u_int8_t	i_dur[2];
     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 } __attribute__((__packed__));
     96 
     97 
     98 struct ieee80211_qosframe_addr4 {
     99 	u_int8_t	i_fc[2];
    100 	u_int8_t	i_dur[2];
    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 } __attribute__((__packed__));
    108 
    109 /*
    110  * Management Notification Frame
    111  */
    112 struct ieee80211_mnf {
    113 	u_int8_t	mnf_category;
    114 	u_int8_t	mnf_action;
    115 	u_int8_t	mnf_dialog;
    116 	u_int8_t	mnf_status;
    117 } __attribute__((__packed__));
    118 #define	MNF_SETUP_REQ	0
    119 #define	MNF_SETUP_RESP	1
    120 #define	MNF_TEARDOWN	2
    121 
    122 /*
    123  * WME/802.11e Tspec Element
    124  */
    125 struct ieee80211_wme_tspec {
    126 	u_int8_t	ts_id;
    127 	u_int8_t	ts_len;
    128 	u_int8_t	ts_oui[3];
    129 	u_int8_t	ts_oui_type;
    130 	u_int8_t	ts_oui_subtype;
    131 	u_int8_t	ts_version;
    132 	u_int8_t	ts_tsinfo[3];
    133 	u_int8_t	ts_nom_msdu[2];
    134 	u_int8_t	ts_max_msdu[2];
    135 	u_int8_t	ts_min_svc[4];
    136 	u_int8_t	ts_max_svc[4];
    137 	u_int8_t	ts_inactv_intv[4];
    138 	u_int8_t	ts_susp_intv[4];
    139 	u_int8_t	ts_start_svc[4];
    140 	u_int8_t	ts_min_rate[4];
    141 	u_int8_t	ts_mean_rate[4];
    142 	u_int8_t	ts_max_burst[4];
    143 	u_int8_t	ts_min_phy[4];
    144 	u_int8_t	ts_peak_rate[4];
    145 	u_int8_t	ts_delay[4];
    146 	u_int8_t	ts_surplus[2];
    147 	u_int8_t	ts_medium_time[2];
    148 } __attribute__((__packed__));
    149 
    150 #define	IEEE80211_FC0_VERSION_MASK		0x03
    151 #define	IEEE80211_FC0_VERSION_SHIFT		0
    152 #define	IEEE80211_FC0_VERSION_0			0x00
    153 #define	IEEE80211_FC0_TYPE_MASK			0x0c
    154 #define	IEEE80211_FC0_TYPE_SHIFT		2
    155 #define	IEEE80211_FC0_TYPE_MGT			0x00
    156 #define	IEEE80211_FC0_TYPE_CTL			0x04
    157 #define	IEEE80211_FC0_TYPE_DATA			0x08
    158 
    159 #define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
    160 #define	IEEE80211_FC0_SUBTYPE_SHIFT		4
    161 /* for TYPE_MGT */
    162 #define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00
    163 #define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10
    164 #define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20
    165 #define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30
    166 #define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40
    167 #define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50
    168 #define	IEEE80211_FC0_SUBTYPE_BEACON		0x80
    169 #define	IEEE80211_FC0_SUBTYPE_ATIM		0x90
    170 #define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0
    171 #define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0
    172 #define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0
    173 /* for TYPE_CTL */
    174 #define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0
    175 #define	IEEE80211_FC0_SUBTYPE_RTS		0xb0
    176 #define	IEEE80211_FC0_SUBTYPE_CTS		0xc0
    177 #define	IEEE80211_FC0_SUBTYPE_ACK		0xd0
    178 #define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0
    179 #define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0
    180 /* for TYPE_DATA (bit combination) */
    181 #define	IEEE80211_FC0_SUBTYPE_DATA		0x00
    182 #define	IEEE80211_FC0_SUBTYPE_CF_ACK		0x10
    183 #define	IEEE80211_FC0_SUBTYPE_CF_POLL		0x20
    184 #define	IEEE80211_FC0_SUBTYPE_CF_ACPL		0x30
    185 #define	IEEE80211_FC0_SUBTYPE_NODATA		0x40
    186 #define	IEEE80211_FC0_SUBTYPE_CFACK		0x50
    187 #define	IEEE80211_FC0_SUBTYPE_CFPOLL		0x60
    188 #define	IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK	0x70
    189 #define	IEEE80211_FC0_SUBTYPE_QOS		0x80
    190 
    191 #define	IEEE80211_FC1_DIR_MASK			0x03
    192 #define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
    193 #define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
    194 #define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
    195 #define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */
    196 
    197 #define	IEEE80211_FC1_MORE_FRAG			0x04
    198 #define	IEEE80211_FC1_RETRY			0x08
    199 #define	IEEE80211_FC1_PWR_MGT			0x10
    200 #define	IEEE80211_FC1_MORE_DATA			0x20
    201 #define	IEEE80211_FC1_WEP			0x40
    202 #define	IEEE80211_FC1_ORDER			0x80
    203 
    204 #define	IEEE80211_SEQ_FRAG_MASK			0x000f
    205 #define	IEEE80211_SEQ_FRAG_SHIFT		0
    206 #define	IEEE80211_SEQ_SEQ_MASK			0xfff0
    207 #define	IEEE80211_SEQ_SEQ_SHIFT			4
    208 
    209 #define	IEEE80211_NWID_LEN			32
    210 
    211 #define	IEEE80211_QOS_TXOP			0x00ff
    212 /* bit 8 is reserved */
    213 #define	IEEE80211_QOS_ACKPOLICY			0x0600
    214 #define	IEEE80211_QOS_ESOP			0x0800
    215 #define	IEEE80211_QOS_TID			0xf000
    216 
    217 /*
    218  * Control frames.
    219  */
    220 struct ieee80211_frame_min {
    221 	u_int8_t	i_fc[2];
    222 	u_int8_t	i_dur[2];
    223 	u_int8_t	i_addr1[IEEE80211_ADDR_LEN];
    224 	u_int8_t	i_addr2[IEEE80211_ADDR_LEN];
    225 	/* FCS */
    226 } __attribute__((__packed__));
    227 
    228 struct ieee80211_frame_rts {
    229 	u_int8_t	i_fc[2];
    230 	u_int8_t	i_dur[2];
    231 	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
    232 	u_int8_t	i_ta[IEEE80211_ADDR_LEN];
    233 	/* FCS */
    234 } __attribute__((__packed__));
    235 
    236 struct ieee80211_frame_cts {
    237 	u_int8_t	i_fc[2];
    238 	u_int8_t	i_dur[2];
    239 	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
    240 	/* FCS */
    241 } __attribute__((__packed__));
    242 
    243 struct ieee80211_frame_ack {
    244 	u_int8_t	i_fc[2];
    245 	u_int8_t	i_dur[2];
    246 	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
    247 	/* FCS */
    248 } __attribute__((__packed__));
    249 
    250 struct ieee80211_frame_pspoll {
    251 	u_int8_t	i_fc[2];
    252 	u_int8_t	i_aid[2];
    253 	u_int8_t	i_bssid[IEEE80211_ADDR_LEN];
    254 	u_int8_t	i_ta[IEEE80211_ADDR_LEN];
    255 	/* FCS */
    256 } __attribute__((__packed__));
    257 
    258 struct ieee80211_frame_cfend {		/* NB: also CF-End+CF-Ack */
    259 	u_int8_t	i_fc[2];
    260 	u_int8_t	i_dur[2];	/* should be zero */
    261 	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
    262 	u_int8_t	i_bssid[IEEE80211_ADDR_LEN];
    263 	/* FCS */
    264 } __attribute__((__packed__));
    265 
    266 /*
    267  * BEACON management packets
    268  *
    269  *	octet timestamp[8]
    270  *	octet beacon interval[2]
    271  *	octet capability information[2]
    272  *	information element
    273  *		octet elemid
    274  *		octet length
    275  *		octet information[length]
    276  */
    277 
    278 typedef uint8_t *ieee80211_mgt_beacon_t;
    279 
    280 #define	IEEE80211_BEACON_INTERVAL(beacon) \
    281 	((beacon)[8] | ((beacon)[9] << 8))
    282 #define	IEEE80211_BEACON_CAPABILITY(beacon) \
    283 	((beacon)[10] | ((beacon)[11] << 8))
    284 
    285 #define	IEEE80211_CAPINFO_ESS			0x0001
    286 #define	IEEE80211_CAPINFO_IBSS			0x0002
    287 #define	IEEE80211_CAPINFO_CF_POLLABLE		0x0004
    288 #define	IEEE80211_CAPINFO_CF_POLLREQ		0x0008
    289 #define	IEEE80211_CAPINFO_PRIVACY		0x0010
    290 #define	IEEE80211_CAPINFO_SHORT_PREAMBLE	0x0020
    291 #define	IEEE80211_CAPINFO_PBCC			0x0040
    292 #define	IEEE80211_CAPINFO_CHNL_AGILITY		0x0080
    293 /* bits 8-9 are reserved */
    294 #define	IEEE80211_CAPINFO_SHORT_SLOTTIME	0x0400
    295 #define	IEEE80211_CAPINFO_RSN			0x0800
    296 /* bit 12 is reserved */
    297 #define	IEEE80211_CAPINFO_DSSSOFDM		0x2000
    298 /* bits 14-15 are reserved */
    299 
    300 /*
    301  * 802.11i/WPA information element (maximally sized).
    302  */
    303 struct ieee80211_ie_wpa {
    304 	u_int8_t	wpa_oui[3];	/* 0x00, 0x50, 0xf2 */
    305 	u_int8_t	wpa_type;	/* OUI type */
    306 	u_int16_t	wpa_version;	/* spec revision */
    307 	u_int32_t	wpa_mcipher[1];	/* multicast/group key cipher */
    308 	u_int16_t	wpa_uciphercnt;	/* # pairwise key ciphers */
    309 	u_int32_t	wpa_uciphers[8];/* ciphers */
    310 	u_int16_t	wpa_authselcnt;	/* authentication selector cnt*/
    311 	u_int32_t	wpa_authsels[8];/* selectors */
    312 } __attribute__((__packed__));
    313 
    314 /*
    315  * Management information elements
    316  */
    317 struct ieee80211_information {
    318 	char	ssid[IEEE80211_NWID_LEN+1];
    319 	struct rates {
    320 		u_int8_t	*p;
    321 	} rates;
    322 	struct fh {
    323 		u_int16_t	dwell;
    324 		u_int8_t	set;
    325 		u_int8_t	pattern;
    326 		u_int8_t	index;
    327 	} fh;
    328 	struct ds {
    329 		u_int8_t	channel;
    330 	} ds;
    331 	struct cf {
    332 		u_int8_t	count;
    333 		u_int8_t	period;
    334 		u_int8_t	maxdur[2];
    335 		u_int8_t	dur[2];
    336 	} cf;
    337 	struct tim {
    338 		u_int8_t	count;
    339 		u_int8_t	period;
    340 		u_int8_t	bitctl;
    341 		/* u_int8_t	pvt[251]; The driver needs to use this. */
    342 	} tim;
    343 	struct ibss {
    344 		u_int16_t	atim;
    345 	} ibss;
    346 	struct challenge {
    347 		u_int8_t	*p;
    348 		u_int8_t	len;
    349 	} challenge;
    350 	struct erp {
    351 		u_int8_t	flags;
    352 	} erp;
    353 	struct country {
    354 		u_int8_t	cc[3];		/* ISO CC+(I)ndoor/(O)utdoor */
    355 		struct {
    356 			u_int8_t schan;		/* starting channel */
    357 			u_int8_t nchan;		/* number channels */
    358 			u_int8_t maxtxpwr;
    359 		} band[4];			/* up to 4 sub bands */
    360 	} country;
    361 	struct ath {
    362 		u_int8_t	flags;
    363 	} ath;
    364 	struct ieee80211_ie_wpa	wpa;
    365 };
    366 
    367 enum {
    368 	IEEE80211_ELEMID_SSID			= 0,
    369 	IEEE80211_ELEMID_RATES			= 1,
    370 	IEEE80211_ELEMID_FHPARMS		= 2,
    371 	IEEE80211_ELEMID_DSPARMS		= 3,
    372 	IEEE80211_ELEMID_CFPARMS		= 4,
    373 	IEEE80211_ELEMID_TIM			= 5,
    374 	IEEE80211_ELEMID_IBSSPARMS		= 6,
    375 	IEEE80211_ELEMID_COUNTRY		= 7,
    376 	IEEE80211_ELEMID_CHALLENGE		= 16,
    377 	/* 17-31 reserved for challenge text extension */
    378 	IEEE80211_ELEMID_ERP			= 42,
    379 	IEEE80211_ELEMID_XRATES			= 50,
    380 	IEEE80211_ELEMID_TPC			= 150,
    381 	IEEE80211_ELEMID_CCKM			= 156,
    382 	IEEE80211_ELEMID_VENDOR			= 221,	/* vendor private */
    383 };
    384 
    385 #define IEEE80211_CHALLENGE_LEN			128
    386 
    387 #define	IEEE80211_RATE_BASIC			0x80
    388 #define	IEEE80211_RATE_VAL			0x7f
    389 
    390 /* EPR information element flags */
    391 #define	IEEE80211_ERP_NON_ERP_PRESENT		0x01
    392 #define	IEEE80211_ERP_USE_PROTECTION		0x02
    393 #define	IEEE80211_ERP_BARKER_MODE		0x04
    394 
    395 /* Atheros private advanced capabilities info */
    396 #define	ATHEROS_CAP_TURBO_PRIME			0x01
    397 #define	ATHEROS_CAP_COMPRESSION			0x02
    398 #define	ATHEROS_CAP_FAST_FRAME			0x04
    399 /* bits 3-6 reserved */
    400 #define	ATHEROS_CAP_BOOST			0x80
    401 
    402 #define	ATH_OUI			0x7f0300		/* Atheros OUI */
    403 #define	ATH_OUI_TYPE		0x01
    404 #define	ATH_OUI_VERSION		0x01
    405 
    406 #define	WPA_OUI			0xf25000
    407 #define	WPA_OUI_TYPE		0x01
    408 #define	WPA_OUI_VERSION		1		/* current supported version */
    409 
    410 #define	WPA_CSE_NULL		0x00
    411 #define	WPA_CSE_WEP40		0x01
    412 #define	WPA_CSE_TKIP		0x02
    413 #define	WPA_CSE_WRAP		0x03		/* WPA2/802.11i */
    414 #define	WPA_CSE_CCMP		0x04
    415 #define	WPA_CSE_WEP104		0x05
    416 
    417 #define	WPA_ASE_NONE		0x00
    418 #define	WPA_ASE_8021X_UNSPEC	0x01
    419 #define	WPA_ASE_8021X_PSK	0x02
    420 
    421 /*
    422  * AUTH management packets
    423  *
    424  *	octet algo[2]
    425  *	octet seq[2]
    426  *	octet status[2]
    427  *	octet chal.id
    428  *	octet chal.length
    429  *	octet chal.text[253]
    430  */
    431 
    432 typedef u_int8_t *ieee80211_mgt_auth_t;
    433 
    434 #define	IEEE80211_AUTH_ALGORITHM(auth) \
    435 	((auth)[0] | ((auth)[1] << 8))
    436 #define	IEEE80211_AUTH_TRANSACTION(auth) \
    437 	((auth)[2] | ((auth)[3] << 8))
    438 #define	IEEE80211_AUTH_STATUS(auth) \
    439 	((auth)[4] | ((auth)[5] << 8))
    440 
    441 #define	IEEE80211_AUTH_ALG_OPEN			0x0000
    442 #define	IEEE80211_AUTH_ALG_SHARED		0x0001
    443 #define	IEEE80211_AUTH_ALG_LEAP			0x0080
    444 
    445 enum {
    446 	IEEE80211_AUTH_OPEN_REQUEST		= 1,
    447 	IEEE80211_AUTH_OPEN_RESPONSE		= 2,
    448 };
    449 
    450 enum {
    451 	IEEE80211_AUTH_SHARED_REQUEST		= 1,
    452 	IEEE80211_AUTH_SHARED_CHALLENGE		= 2,
    453 	IEEE80211_AUTH_SHARED_RESPONSE		= 3,
    454 	IEEE80211_AUTH_SHARED_PASS		= 4,
    455 };
    456 
    457 /*
    458  * Reason codes
    459  *
    460  * Unlisted codes are reserved
    461  */
    462 
    463 enum {
    464 	IEEE80211_REASON_UNSPECIFIED		= 1,
    465 	IEEE80211_REASON_AUTH_EXPIRE		= 2,
    466 	IEEE80211_REASON_AUTH_LEAVE		= 3,
    467 	IEEE80211_REASON_ASSOC_EXPIRE		= 4,
    468 	IEEE80211_REASON_ASSOC_TOOMANY		= 5,
    469 	IEEE80211_REASON_NOT_AUTHED		= 6,
    470 	IEEE80211_REASON_NOT_ASSOCED		= 7,
    471 	IEEE80211_REASON_ASSOC_LEAVE		= 8,
    472 	IEEE80211_REASON_ASSOC_NOT_AUTHED	= 9,
    473 
    474 	IEEE80211_REASON_RSN_REQUIRED		= 11,
    475 	IEEE80211_REASON_RSN_INCONSISTENT	= 12,
    476 	IEEE80211_REASON_IE_INVALID		= 13,
    477 	IEEE80211_REASON_MIC_FAILURE		= 14,
    478 
    479 	IEEE80211_STATUS_SUCCESS		= 0,
    480 	IEEE80211_STATUS_UNSPECIFIED		= 1,
    481 	IEEE80211_STATUS_CAPINFO		= 10,
    482 	IEEE80211_STATUS_NOT_ASSOCED		= 11,
    483 	IEEE80211_STATUS_OTHER			= 12,
    484 	IEEE80211_STATUS_ALG			= 13,
    485 	IEEE80211_STATUS_SEQUENCE		= 14,
    486 	IEEE80211_STATUS_CHALLENGE		= 15,
    487 	IEEE80211_STATUS_TIMEOUT		= 16,
    488 	IEEE80211_STATUS_TOOMANY		= 17,
    489 	IEEE80211_STATUS_BASIC_RATE		= 18,
    490 	IEEE80211_STATUS_SP_REQUIRED		= 19,
    491 	IEEE80211_STATUS_PBCC_REQUIRED		= 20,
    492 	IEEE80211_STATUS_CA_REQUIRED		= 21,
    493 	IEEE80211_STATUS_TOO_MANY_STATIONS	= 22,
    494 	IEEE80211_STATUS_RATES			= 23,
    495 	IEEE80211_STATUS_SHORTSLOT_REQUIRED	= 25,
    496 	IEEE80211_STATUS_DSSSOFDM_REQUIRED	= 26,
    497 };
    498 
    499 #define	IEEE80211_WEP_KEYLEN			5	/* 40bit */
    500 #define	IEEE80211_WEP_IVLEN			3	/* 24bit */
    501 #define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
    502 #define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
    503 #define	IEEE80211_WEP_NKID			4	/* number of key ids */
    504 
    505 #define	IEEE80211_CRC_LEN			4
    506 
    507 /*
    508  * Maximum acceptable MTU is:
    509  *	IEEE80211_MAX_LEN - WEP overhead - CRC -
    510  *		QoS overhead - RSN/WPA overhead
    511  * Min is arbitrarily chosen > IEEE80211_MIN_LEN.  The default
    512  * mtu is Ethernet-compatible; it's set by ether_ifattach.
    513  */
    514 #define	IEEE80211_MTU_MAX			2290
    515 #define	IEEE80211_MTU_MIN			32
    516 
    517 #define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
    518     (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
    519 #define	IEEE80211_MIN_LEN \
    520 	(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
    521 
    522 /*
    523  * RTS frame length parameters.  The default is specified in
    524  * the 802.11 spec.  The max may be wrong for jumbo frames.
    525  */
    526 #define	IEEE80211_RTS_DEFAULT			512
    527 #define	IEEE80211_RTS_MIN			1
    528 #define	IEEE80211_RTS_MAX			IEEE80211_MAX_LEN
    529 
    530 enum {
    531 	IEEE80211_AUTH_NONE	= 0,
    532 	IEEE80211_AUTH_OPEN	= 1,
    533 	IEEE80211_AUTH_SHARED	= 2,
    534 };
    535 
    536 #endif /* _NET80211_IEEE80211_H_ */
    537