/*	$NetBSD: if_ieee80211.h,v 1.1 2000/01/23 23:50:14 chopps Exp $	*/

/*
 * 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
#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_DISASSOC		0xa0
#define	IEEE80211_FC0_SUBTYPE_AUTH_REQ		0xb0
#define	IEEE80211_FC0_SUBTYPE_AUTH_RESP		/* XXX */
#define	IEEE80211_FC0_SUBTYPE_ATIM		/* XXX */
#define	IEEE80211_FC0_SUBTYPE_PS_POLL		/* XXX */
#define	IEEE80211_FC0_SUBTYPE_RTS		/* XXX */
#define	IEEE80211_FC0_SUBTYPE_CTS		/* XXX */
#define	IEEE80211_FC0_SUBTYPE_ACK		/* XXX */

#define	IEEE80211_FC1_RCVFROM_MASK		0x03
#define	IEEE80211_FC1_RCVFROM_TERMINAL		0x00
#define	IEEE80211_FC1_RCVFROM_AP		0x01
#define	IEEE80211_FC1_RCVFROM_AP2AP		0x02

#define	IEEE80211_NWID_LEN	32

/* nwid is u_int8_t array of IEEE80211_NWID_LEN pointed at by ifr.ifr_data */
#define	SIOCS80211NWID		_IOWR('i', 230, struct ifreq)
#define	SIOCG80211NWID		_IOWR('i', 231, struct ifreq)