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NetBSD/sys/net/if_ieee80211.h
onoe 4b4897a156 Clear wep key when 'ifconfig -nwkey'. 
Change the name for the size of driver private structure:
	ic_bss_privlen -> ic_node_privlen
Add a hook to free node for the driver private structure, though there are
no consumer of the structure in the tree for now.
2002-10-15 08:51:50 +00:00

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/* $NetBSD: if_ieee80211.h,v 1.23 2002/10/15 08:51:50 onoe Exp $ */
/*-
* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#ifndef _NET_IF_IEEE80211_H_
#define _NET_IF_IEEE80211_H_
#include <net/if_ether.h>
#define IEEE80211_ADDR_LEN ETHER_ADDR_LEN
/*
* 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_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__));
#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_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
/*
* 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
#define IEEE80211_RATE_BASIC 0x80
#define IEEE80211_RATE_VAL 0x7f
/*
* 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;
};
#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
*
* 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_OPEN_REQUEST 1
#define IEEE80211_AUTH_OPEN_RESPONSE 2
#define IEEE80211_AUTH_SHARED_REQUEST 1
#define IEEE80211_AUTH_SHARED_CHALLENGE 2
#define IEEE80211_AUTH_SHARED_RESPONSE 3
#define IEEE80211_AUTH_SHARED_PASS 4
/*
* 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
#define IEEE80211_STATUS_SUCCESS 0
#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_STATUS_TOOMANY 17
#define IEEE80211_STATUS_BASIC_RATE 18
#define IEEE80211_STATUS_SP_REQUIRED 19
#define IEEE80211_STATUS_PBCC_REQUIRED 20
#define IEEE80211_STATUS_CA_REQUIRED 21
#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
#define IEEE80211_MTU 1500
#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
/*
* ioctls
*/
/* 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)
/* i_wepon */
#define IEEE80211_NWKEY_OPEN 0 /* No privacy */
#define IEEE80211_NWKEY_WEP 1 /* WEP enabled */
#define IEEE80211_NWKEY_EAP 2 /* EAP enabled */
#define IEEE80211_NWKEY_PERSIST 0x100 /* designate persist keyset */
/* power management parameters */
struct ieee80211_power {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
int i_enabled; /* 1 == on, 0 == off */
int i_maxsleep; /* max sleep in ms */
};
#define SIOCS80211POWER _IOW('i', 234, struct ieee80211_power)
#define SIOCG80211POWER _IOWR('i', 235, struct ieee80211_power)
struct ieee80211_auth {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
int i_authtype;
};
#define IEEE80211_AUTH_NONE 0
#define IEEE80211_AUTH_OPEN 1
#define IEEE80211_AUTH_SHARED 2
#define SIOCS80211AUTH _IOW('i', 236, struct ieee80211_auth)
#define SIOCG80211AUTH _IOWR('i', 237, struct ieee80211_auth)
struct ieee80211_channel {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
u_int16_t i_channel;
};
#define IEEE80211_CHAN_ANY 0xffff
#define SIOCS80211CHANNEL _IOW('i', 238, struct ieee80211_channel)
#define SIOCG80211CHANNEL _IOWR('i', 239, struct ieee80211_channel)
struct ieee80211_bssid {
char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
u_int8_t i_bssid[IEEE80211_ADDR_LEN];
};
#define SIOCS80211BSSID _IOW('i', 240, struct ieee80211_bssid)
#define SIOCG80211BSSID _IOWR('i', 241, struct ieee80211_bssid)
#ifdef _KERNEL
#define IEEE80211_ASCAN_WAIT 2 /* active scan wait */
#define IEEE80211_PSCAN_WAIT 5 /* passive scan wait */
#define IEEE80211_TRANS_WAIT 5 /* transition wait */
#define IEEE80211_INACT_WAIT 5 /* inactivity timer interval */
#define IEEE80211_INACT_MAX (300/IEEE80211_INACT_WAIT)
/*
* Structure for IEEE 802.11 drivers.
*/
#define IEEE80211_CHAN_MAX 255
#define IEEE80211_RATE_SIZE 12
#define IEEE80211_KEYBUF_SIZE 16
#define IEEE80211_NODE_HASHSIZE 32
/* simple hash is enough for variation of macaddr */
#define IEEE80211_NODE_HASH(addr) \
(((u_int8_t *)(addr))[IEEE80211_ADDR_LEN - 1] % IEEE80211_NODE_HASHSIZE)
enum ieee80211_phytype {
IEEE80211_T_DS,
IEEE80211_T_FH,
IEEE80211_T_OFDM
};
enum ieee80211_opmode {
IEEE80211_M_STA = 1, /* infrastructure station */
IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
IEEE80211_M_HOSTAP = 6 /* Software Access Point */
};
enum ieee80211_state {
IEEE80211_S_INIT, /* default state */
IEEE80211_S_SCAN, /* scanning */
IEEE80211_S_AUTH, /* try to authenticate */
IEEE80211_S_ASSOC, /* try to assoc */
IEEE80211_S_RUN /* associated */
};
/*
* Node specific information.
*/
struct ieee80211_node {
TAILQ_ENTRY(ieee80211_node) ni_list;
LIST_ENTRY(ieee80211_node) ni_hash;
/* hardware */
u_int8_t ni_rssi;
u_int32_t ni_rstamp;
/* header */
u_int8_t ni_macaddr[IEEE80211_ADDR_LEN];
u_int8_t ni_bssid[IEEE80211_ADDR_LEN];
/* beacon, probe response */
u_int8_t ni_tstamp[8];
u_int16_t ni_intval;
u_int16_t ni_capinfo;
u_int8_t ni_esslen;
u_int8_t ni_essid[IEEE80211_NWID_LEN];
int ni_nrate;
u_int8_t ni_rates[IEEE80211_RATE_SIZE];
u_int8_t ni_chan;
u_int16_t ni_fhdwell; /* FH only */
u_int8_t ni_fhindex; /* FH only */
/* others */
u_int16_t ni_associd; /* assoc response */
u_int16_t ni_txseq; /* seq to be transmitted */
u_int16_t ni_rxseq; /* seq previous received */
int ni_fails; /* failure count to associate */
int ni_inact; /* inactivity mark count */
int ni_txrate; /* index to ni_rates[] */
void *ni_private; /* driver private */
};
/* ni_chan encoding for FH phy */
#define IEEE80211_FH_CHANMOD 80
#define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
#define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1)
#define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD)
struct ieee80211_wepkey {
int wk_len;
u_int8_t wk_key[IEEE80211_KEYBUF_SIZE];
};
struct ieee80211com {
struct ethercom ic_ec;
void (*ic_recv_mgmt[16])(struct ieee80211com *,
struct mbuf *, int, u_int32_t);
int (*ic_send_mgmt[16])(struct ieee80211com *,
struct ieee80211_node *, int, int);
int (*ic_newstate)(void *, enum ieee80211_state);
int (*ic_chancheck)(void *, u_char *);
u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
u_int8_t ic_sup_rates[IEEE80211_RATE_SIZE];
u_char ic_chan_avail[roundup(IEEE80211_CHAN_MAX,NBBY)];
u_char ic_chan_active[roundup(IEEE80211_CHAN_MAX, NBBY)];
struct ifqueue ic_mgtq;
int ic_flags;
enum ieee80211_phytype ic_phytype;
enum ieee80211_opmode ic_opmode;
enum ieee80211_state ic_state;
caddr_t ic_rawbpf; /* packet filter structure */
struct ieee80211_node ic_bss; /* information for this node */
int ic_node_privlen;/* size for ni_private */
void (*ic_node_free)(struct ieee80211com *,
struct ieee80211_node *); /* callback */
u_int8_t ic_ibss_chan;
int ic_fixed_rate; /* index to ic_sup_rates[] */
TAILQ_HEAD(, ieee80211_node) ic_node; /* information of all nodes */
LIST_HEAD(, ieee80211_node) ic_hash[IEEE80211_NODE_HASHSIZE];
u_int16_t ic_lintval; /* listen interval */
int ic_mgt_timer; /* mgmt timeout */
int ic_scan_timer; /* scant wait */
int ic_inact_timer; /* inactivity timer wait */
int ic_des_esslen;
u_int8_t ic_des_essid[IEEE80211_NWID_LEN];
int ic_des_chan; /* desired channel */
u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN];
struct ieee80211_wepkey ic_nw_keys[IEEE80211_WEP_NKID];
int ic_wep_txkey; /* default tx key index */
void *ic_wep_ctx; /* wep crypt context */
u_int32_t ic_iv; /* initial vector for wep */
};
#define ic_if ic_ec.ec_if
#define ic_softc ic_ec.ec_if.if_softc
#define IEEE80211_SEND_MGMT(ic,ni,type,arg) do { \
if ((ic)->ic_send_mgmt[(type)>>IEEE80211_FC0_SUBTYPE_SHIFT] != NULL) \
(*(ic)->ic_send_mgmt[(type)>>IEEE80211_FC0_SUBTYPE_SHIFT]) \
(ic,ni,type,arg); \
} while (0)
#define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
#define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN)
#define IEEE80211_IS_MULTICAST(a) ETHER_IS_MULTICAST(a)
/* ic_flags */
#define IEEE80211_F_ASCAN 0x00000001 /* STATUS: active scan */
#define IEEE80211_F_SIBSS 0x00000002 /* STATUS: start IBSS */
#define IEEE80211_F_WEPON 0x00000100 /* CONF: WEP enabled */
#define IEEE80211_F_IBSSON 0x00000200 /* CONF: IBSS creation enable */
#define IEEE80211_F_PMGTON 0x00000400 /* CONF: Power mgmt enable */
#define IEEE80211_F_DESBSSID 0x00000800 /* CONF: des_bssid is set */
#define IEEE80211_F_SCANAP 0x00001000 /* CONF: Scanning AP */
#define IEEE80211_F_HASWEP 0x00010000 /* CAPABILITY: WEP available */
#define IEEE80211_F_HASIBSS 0x00020000 /* CAPABILITY: IBSS available */
#define IEEE80211_F_HASPMGT 0x00040000 /* CAPABILITY: Power mgmt */
#define IEEE80211_F_HASHOSTAP 0x00080000 /* CAPABILITY: HOSTAP avail */
#define IEEE80211_F_HASAHDEMO 0x00100000 /* CAPABILITY: Old Adhoc Demo */
/* flags for ieee80211_fix_rate() */
#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */
#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */
#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */
#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */
void ieee80211_ifattach(struct ifnet *);
void ieee80211_ifdetach(struct ifnet *);
void ieee80211_input(struct ifnet *, struct mbuf *, int, u_int32_t);
int ieee80211_mgmt_output(struct ifnet *, struct ieee80211_node *,
struct mbuf *, int);
struct mbuf *ieee80211_encap(struct ifnet *, struct mbuf *);
struct mbuf *ieee80211_decap(struct ifnet *, struct mbuf *);
int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
void ieee80211_print_essid(u_int8_t *, int);
void ieee80211_dump_pkt(u_int8_t *, int, int, int);
void ieee80211_watchdog(struct ifnet *);
void ieee80211_next_scan(struct ifnet *);
void ieee80211_end_scan(struct ifnet *);
struct ieee80211_node *ieee80211_alloc_node(struct ieee80211com *, u_int8_t *,
int);
struct ieee80211_node *ieee80211_find_node(struct ieee80211com *, u_int8_t *);
void ieee80211_free_node(struct ieee80211com *, struct ieee80211_node *);
void ieee80211_free_allnodes(struct ieee80211com *);
int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
int ieee80211_new_state(struct ifnet *, enum ieee80211_state, int);
struct mbuf *ieee80211_wep_crypt(struct ifnet *, struct mbuf *, int);
int ieee80211_rate2media(int, enum ieee80211_phytype);
int ieee80211_media2rate(int, enum ieee80211_phytype);
int ieee80211_cfgget(struct ifnet *, u_long, caddr_t);
int ieee80211_cfgset(struct ifnet *, u_long, caddr_t);
#endif /* _KERNEL */
#endif /* _NET_IF_IEEE80211_H_ */
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