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/* $NetBSD: if_ieee80211.h,v 1.5 2000/07/21 04:47:40 onoe Exp $ */
/* $FreeBSD$ */
#ifndef _NET_IF_IEEE80211_H_
#define _NET_IF_IEEE80211_H_
/*
* 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[ETHER_ADDR_LEN];
u_int8_t i_addr2[ETHER_ADDR_LEN];
u_int8_t i_addr3[ETHER_ADDR_LEN];
u_int8_t i_seq[2];
/* possibly followed by addr4[ETHER_ADDR_LEN]; */
};
#define IEEE80211_FC0_VERSION_MASK 0x03
#define IEEE80211_FC0_VERSION_0 0x00
#define IEEE80211_FC0_TYPE_MASK 0x0c
#define IEEE80211_FC0_TYPE_MGT 0x00
#define IEEE80211_FC0_TYPE_CTL 0x04
#define IEEE80211_FC0_TYPE_DATA 0x08
#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
/* 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_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
/*
* Management Frames
*/
#define IEEE80211_ELEMID_SSID 0
#define IEEE80211_ELEMID_RATES 1
#define IEEE80211_ELEMID_FHPARMS 2
#define IEEE80211_ELEMID_DSPARMS 3
#define IEEE80211_ELEMID_CFPARMS 4
#define IEEE80211_ELEMID_TIM 5
#define IEEE80211_ELEMID_IBSSPARMS 6
#define IEEE80211_ELEMID_CHALLENGE 16
/*
* AUTH management packets
*
* octect algo[2]
* octect seq[2]
* octect status[2]
* octect chal.id
* octect chal.length
* octect 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_CAPINFO_ESS 0x01
#define IEEE80211_CAPINFO_IBSS 0x02
#define IEEE80211_CAPINFO_CF_POLLABLE 0x04
#define IEEE80211_CAPINFO_CF_POLLREQ 0x08
#define IEEE80211_CAPINFO_PRIVACY 0x10
/*
* Reason codes
*
* Unlisted codes are reserved
*/
#define IEEE80211_REASON_UNSPECIFIED 1
#define IEEE80211_REASON_AUTH_EXPIRE 2
#define IEEE80211_REASON_AUTH_LEAVE 3
#define IEEE80211_REASON_ASSOC_EXPIRE 4
#define IEEE80211_REASON_ASSOC_TOOMANY 5
#define IEEE80211_REASON_NOT_AUTHED 6
#define IEEE80211_REASON_NOT_ASSOCED 7
#define IEEE80211_REASON_ASSOC_LEAVE 8
#define IEEE80211_REASON_ASSOC_NOT_AUTHED 9
/*
* Status code
*
* Unlisted codes are reserved
*/
#define IEEE80211_STATUS_SUCCESS 0x0000
#define IEEE80211_STATUS_UNSPECIFIED 1
#define IEEE80211_STATUS_CAPINFO 10
#define IEEE80211_STATUS_NOT_ASSOCED 11
#define IEEE80211_STATUS_OTHER 12
#define IEEE80211_STATUS_ALG 13
#define IEEE80211_STATUS_SEQUENCE 14
#define IEEE80211_STATUS_CHALLENGE 15
#define IEEE80211_STATUS_TIMEOUT 16
#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_NWID_LEN 32
/* nwid is pointed at by ifr.ifr_data */
struct ieee80211_nwid {
u_int8_t i_len;
u_int8_t i_nwid[IEEE80211_NWID_LEN];
};
#define SIOCS80211NWID _IOWR('i', 230, struct ifreq)
#define SIOCG80211NWID _IOWR('i', 231, struct ifreq)
/* the first member must be matched with struct ifreq */
struct ieee80211_nwkey {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
int i_wepon; /* wep enabled flag */
int i_defkid; /* default encrypt key id */
struct {
int i_keylen;
u_int8_t *i_keydat;
} i_key[IEEE80211_WEP_NKID];
};
#define SIOCS80211NWKEY _IOW('i', 232, struct ieee80211_nwkey)
#define SIOCG80211NWKEY _IOWR('i', 233, struct ieee80211_nwkey)
#endif /* !_NET_IF_IEEE80211_H_ */
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