src/sys/net80211/ieee80211_var.h

514 lines
20 KiB
C

/* $OpenBSD: ieee80211_var.h,v 1.111 2022/03/14 15:07:24 stsp Exp $ */
/* $NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 dyoung Exp $ */
/*-
* 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.
*
* 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: src/sys/net80211/ieee80211_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $
*/
#ifndef _NET80211_IEEE80211_VAR_H_
#define _NET80211_IEEE80211_VAR_H_
/*
* Definitions for IEEE 802.11 drivers.
*/
#ifdef SMALL_KERNEL
#define IEEE80211_STA_ONLY 1
#endif
#include <sys/timeout.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */
#include <net80211/ieee80211_node.h>
#include <net80211/ieee80211_proto.h>
#define IEEE80211_CHAN_MAX 255
#define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
#define IEEE80211_CHAN_ANYC \
((struct ieee80211_channel *) NULL)
#define IEEE80211_TXPOWER_MAX 100 /* max power */
#define IEEE80211_TXPOWER_MIN -50 /* kill radio (if possible) */
#define IEEE80211_RSSI_THRES_2GHZ (-60) /* in dBm */
#define IEEE80211_RSSI_THRES_5GHZ (-70) /* in dBm */
#define IEEE80211_RSSI_THRES_RATIO_2GHZ 60 /* in percent */
#define IEEE80211_RSSI_THRES_RATIO_5GHZ 50 /* in percent */
#define IEEE80211_BGSCAN_FAIL_MAX 512 /* units of 500 msec */
/*
* Missed beacon threshold: An access point has disappeared if this amount
* of consecutive beacons have been missed.
* This value needs to be high enough to avoid frequent re-connects to APs
* which suffer from occasional packet loss, and low enough to avoid a long
* delay before we start scanning when an AP has actually disappeared.
*
* The beacon interval is variable, but generally in the order of 100ms.
* So 30 beacons implies a grace period of about 3 seconds before we start
* searching for a new AP.
*/
#define IEEE80211_BEACON_MISS_THRES 30 /* units of beacons */
enum ieee80211_phytype {
IEEE80211_T_DS, /* direct sequence spread spectrum */
IEEE80211_T_OFDM, /* frequency division multiplexing */
IEEE80211_T_XR /* extended range mode */
};
#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
/* XXX not really a mode; there are really multiple PHY's */
enum ieee80211_phymode {
IEEE80211_MODE_AUTO = 0, /* autoselect */
IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
IEEE80211_MODE_11N = 4, /* 2GHz/5GHz, OFDM/HT */
IEEE80211_MODE_11AC = 5, /* 5GHz, OFDM/VHT */
};
#define IEEE80211_MODE_MAX (IEEE80211_MODE_11AC+1)
enum ieee80211_opmode {
IEEE80211_M_STA = 1, /* infrastructure station */
#ifndef IEEE80211_STA_ONLY
IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
IEEE80211_M_HOSTAP = 6, /* Software Access Point */
#endif
IEEE80211_M_MONITOR = 8 /* Monitor mode */
};
/*
* 802.11g protection mode.
*/
enum ieee80211_protmode {
IEEE80211_PROT_NONE = 0, /* no protection */
IEEE80211_PROT_CTSONLY = 1, /* CTS to self */
IEEE80211_PROT_RTSCTS = 2 /* RTS-CTS */
};
/*
* Channels are specified by frequency and attributes.
*/
struct ieee80211_channel {
u_int16_t ic_freq; /* setting in MHz */
u_int16_t ic_flags; /* see below */
u_int32_t ic_xflags; /* extra flags; see below */
};
/*
* Channel attributes (XXX must keep in sync with radiotap flags).
*/
#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel */
#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
#define IEEE80211_CHAN_XR 0x1000 /* Extended range OFDM channel */
#define IEEE80211_CHAN_HT 0x2000 /* 11n/HT channel */
#define IEEE80211_CHAN_VHT 0x4000 /* 11ac/VHT channel */
#define IEEE80211_CHAN_40MHZ 0x8000 /* use of 40 MHz is allowed */
/*
* Extra channel flags.
*/
#define IEEE80211_CHANX_80MHZ 0x00000001 /* use of 80 MHz is allowed */
#define IEEE80211_CHANX_160MHZ 0x00000002 /* use of 160 MHz is allowed */
/*
* Useful combinations of channel characteristics.
*/
#define IEEE80211_CHAN_A \
(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_B \
(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
#define IEEE80211_CHAN_PUREG \
(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
#define IEEE80211_CHAN_G \
(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
#define IEEE80211_IS_CHAN_A(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
#define IEEE80211_IS_CHAN_B(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
#define IEEE80211_IS_CHAN_PUREG(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
#define IEEE80211_IS_CHAN_G(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
#define IEEE80211_IS_CHAN_N(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_HT) == IEEE80211_CHAN_HT)
#define IEEE80211_IS_CHAN_AC(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_VHT) == IEEE80211_CHAN_VHT)
#define IEEE80211_IS_CHAN_2GHZ(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
#define IEEE80211_IS_CHAN_5GHZ(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
#define IEEE80211_IS_CHAN_OFDM(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
#define IEEE80211_IS_CHAN_CCK(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
#define IEEE80211_IS_CHAN_XR(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)
#define IEEE80211_CHAN_40MHZ_ALLOWED(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_40MHZ) != 0)
#define IEEE80211_CHAN_80MHZ_ALLOWED(_c) \
(((_c)->ic_xflags & IEEE80211_CHANX_80MHZ) != 0)
#define IEEE80211_CHAN_160MHZ_ALLOWED(_c) \
(((_c)->ic_xflags & IEEE80211_CHANX_160MHZ) != 0)
/*
* EDCA AC parameters.
*/
struct ieee80211_edca_ac_params {
u_int8_t ac_ecwmin; /* CWmin = 2^ECWmin - 1 */
u_int8_t ac_ecwmax; /* CWmax = 2^ECWmax - 1 */
u_int8_t ac_aifsn;
u_int16_t ac_txoplimit; /* 32TU */
#define IEEE80211_TXOP_TO_US(txop) ((txop) * 32)
u_int8_t ac_acm;
};
extern const struct ieee80211_edca_ac_params
ieee80211_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
extern const struct ieee80211_edca_ac_params
ieee80211_qap_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
#define IEEE80211_DEFRAG_SIZE 3 /* must be >= 3 according to spec */
/*
* Entry in the fragment cache.
*/
struct ieee80211_defrag {
struct timeout df_to;
struct mbuf *df_m;
u_int16_t df_seq;
u_int8_t df_frag;
};
#define IEEE80211_PROTO_NONE 0
#define IEEE80211_PROTO_RSN (1 << 0)
#define IEEE80211_PROTO_WPA (1 << 1)
#define IEEE80211_SCAN_UNLOCKED 0x0
#define IEEE80211_SCAN_LOCKED 0x1
#define IEEE80211_SCAN_REQUEST 0x2
#define IEEE80211_SCAN_RESUME 0x4
#define IEEE80211_GROUP_NKID 6
struct ieee80211_node_switch_bss_arg;
struct ieee80211com {
struct arpcom ic_ac;
LIST_ENTRY(ieee80211com) ic_list; /* chain of all ieee80211com */
void (*ic_recv_mgmt)(struct ieee80211com *,
struct mbuf *, struct ieee80211_node *,
struct ieee80211_rxinfo *, int);
int (*ic_send_mgmt)(struct ieee80211com *,
struct ieee80211_node *, int, int, int);
int (*ic_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
int (*ic_newauth)(struct ieee80211com *,
struct ieee80211_node *, int, uint16_t);
void (*ic_newassoc)(struct ieee80211com *,
struct ieee80211_node *, int);
void (*ic_node_leave)(struct ieee80211com *,
struct ieee80211_node *);
void (*ic_updateslot)(struct ieee80211com *);
void (*ic_updateedca)(struct ieee80211com *);
void (*ic_set_tim)(struct ieee80211com *, int, int);
int (*ic_set_key)(struct ieee80211com *,
struct ieee80211_node *,
struct ieee80211_key *);
void (*ic_delete_key)(struct ieee80211com *,
struct ieee80211_node *,
struct ieee80211_key *);
int (*ic_ampdu_tx_start)(struct ieee80211com *,
struct ieee80211_node *, u_int8_t);
void (*ic_ampdu_tx_stop)(struct ieee80211com *,
struct ieee80211_node *, u_int8_t);
int (*ic_ampdu_rx_start)(struct ieee80211com *,
struct ieee80211_node *, u_int8_t);
void (*ic_ampdu_rx_stop)(struct ieee80211com *,
struct ieee80211_node *, u_int8_t);
void (*ic_updateprot)(struct ieee80211com *);
void (*ic_updatechan)(struct ieee80211com *);
void (*ic_updatedtim)(struct ieee80211com *);
int (*ic_bgscan_start)(struct ieee80211com *);
void (*ic_bgscan_done)(struct ieee80211com *,
struct ieee80211_node_switch_bss_arg *,
size_t);
struct timeout ic_bgscan_timeout;
uint32_t ic_bgscan_fail;
u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
u_char ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
u_char ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
u_char ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
struct mbuf_queue ic_mgtq;
struct mbuf_queue ic_pwrsaveq;
u_int8_t ic_scan_count; /* count scans */
u_int32_t ic_flags; /* state flags */
u_int32_t ic_xflags; /* more flags */
u_int32_t ic_userflags; /* yet more flags */
u_int32_t ic_caps; /* capabilities */
u_int16_t ic_modecaps; /* set of mode capabilities */
u_int16_t ic_curmode; /* current mode */
enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */
enum ieee80211_opmode ic_opmode; /* operation mode */
enum ieee80211_state ic_state; /* 802.11 state */
u_int32_t *ic_aid_bitmap;
u_int16_t ic_max_aid;
enum ieee80211_protmode ic_protmode; /* 802.11g/n protection mode */
struct ifmedia ic_media; /* interface media config */
caddr_t ic_rawbpf; /* packet filter structure */
struct ieee80211_node *ic_bss; /* information for this node */
struct ieee80211_channel *ic_ibss_chan;
int ic_fixed_rate; /* index to ic_sup_rates[] */
u_int16_t ic_rtsthreshold;
u_int16_t ic_fragthreshold;
u_int ic_scangen; /* gen# for timeout scan */
struct ieee80211_node *(*ic_node_alloc)(struct ieee80211com *);
void (*ic_node_free)(struct ieee80211com *,
struct ieee80211_node *);
void (*ic_node_copy)(struct ieee80211com *,
struct ieee80211_node *,
const struct ieee80211_node *);
u_int8_t (*ic_node_getrssi)(struct ieee80211com *,
const struct ieee80211_node *);
int (*ic_node_checkrssi)(struct ieee80211com *,
const struct ieee80211_node *);
u_int8_t ic_max_rssi;
struct ieee80211_tree ic_tree;
int ic_nnodes; /* length of ic_nnodes */
int ic_max_nnodes; /* max length of ic_nnodes */
u_int16_t ic_lintval; /* listen interval */
int16_t ic_txpower; /* tx power setting (dBm) */
int ic_bmissthres; /* beacon miss threshold */
int ic_mgt_timer; /* mgmt timeout */
#ifndef IEEE80211_STA_ONLY
struct timeout ic_inact_timeout; /* node inactivity timeout */
struct timeout ic_node_cache_timeout;
#endif
struct task ic_rtm_80211info_task;
int ic_des_esslen;
u_int8_t ic_des_essid[IEEE80211_NWID_LEN];
struct ieee80211_channel *ic_des_chan; /* desired channel */
u_int8_t ic_des_bssid[IEEE80211_ADDR_LEN];
struct ieee80211_key ic_nw_keys[IEEE80211_GROUP_NKID];
int ic_def_txkey; /* group data key index */
#define ic_wep_txkey ic_def_txkey
int ic_igtk_kid; /* IGTK key index */
u_int32_t ic_iv; /* initial vector for wep */
struct ieee80211_stats ic_stats; /* statistics */
struct timeval ic_last_merge_print; /* for rate-limiting
* IBSS merge print-outs
*/
struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
u_int ic_edca_updtcount;
u_int16_t ic_tid_noack;
u_int8_t ic_globalcnt[EAPOL_KEY_NONCE_LEN];
u_int8_t ic_nonce[EAPOL_KEY_NONCE_LEN];
u_int8_t ic_psk[IEEE80211_PMK_LEN];
struct timeout ic_rsn_timeout;
time_t ic_tkip_micfail;
u_int64_t ic_tkip_micfail_last_tsc;
#ifndef IEEE80211_STA_ONLY
struct timeout ic_tkip_micfail_timeout;
#endif
TAILQ_HEAD(, ieee80211_pmk) ic_pmksa; /* PMKSA cache */
u_int ic_rsnprotos;
u_int ic_rsnakms;
u_int ic_rsnciphers;
enum ieee80211_cipher ic_rsngroupcipher;
enum ieee80211_cipher ic_rsngroupmgmtcipher;
#ifdef notyet
struct ieee80211_defrag ic_defrag[IEEE80211_DEFRAG_SIZE];
int ic_defrag_cur;
#endif
u_int8_t *ic_tim_bitmap;
u_int ic_tim_len;
u_int ic_tim_mcast_pending;
u_int ic_dtim_period;
u_int ic_dtim_count;
u_int32_t ic_txbfcaps;
u_int16_t ic_htcaps;
u_int8_t ic_ampdu_params;
u_int8_t ic_sup_mcs[howmany(80, NBBY)];
u_int16_t ic_max_rxrate; /* in Mb/s, 0 <= rate <= 1023 */
u_int8_t ic_tx_mcs_set;
u_int16_t ic_htxcaps;
u_int8_t ic_aselcaps;
u_int8_t ic_dialog_token;
int ic_fixed_mcs;
uint32_t ic_vhtcaps;
uint16_t ic_vht_rxmcs;
uint16_t ic_vht_rx_max_lgi_mbit_s;
uint16_t ic_vht_txmcs;
uint16_t ic_vht_tx_max_lgi_mbit_s;
TAILQ_HEAD(, ieee80211_ess) ic_ess;
};
#define ic_if ic_ac.ac_if
#define ic_softc ic_if.if_softc
/* list of APs we want to automatically use */
/* all data is copied from struct ieee80211com */
struct ieee80211_ess {
/* nwid */
int esslen;
u_int8_t essid[IEEE80211_NWID_LEN];
/* clear/wep/wpa */
u_int32_t flags;
/* nwkey */
struct ieee80211_key nw_keys[IEEE80211_GROUP_NKID];
int def_txkey;
/* wpakey */
u_int8_t psk[IEEE80211_PMK_LEN];
u_int rsnprotos;
u_int rsnakms;
u_int rsnciphers;
enum ieee80211_cipher rsngroupcipher;
TAILQ_ENTRY(ieee80211_ess) ess_next;
};
#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)
/* 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_ROAMING 0x00002000 /* CONF: roaming enabled */
#define IEEE80211_F_TXPMGT 0x00018000 /* STATUS: tx power */
#define IEEE80211_F_TXPOW_OFF 0x00000000 /* TX Power: radio disabled */
#define IEEE80211_F_TXPOW_FIXED 0x00008000 /* TX Power: fixed rate */
#define IEEE80211_F_TXPOW_AUTO 0x00010000 /* TX Power: undefined */
#define IEEE80211_F_SHSLOT 0x00020000 /* STATUS: short slot time */
#define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: short preamble */
#define IEEE80211_F_QOS 0x00080000 /* CONF: QoS enabled */
#define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */
#define IEEE80211_F_RSNON 0x00200000 /* CONF: RSN enabled */
#define IEEE80211_F_PSK 0x00400000 /* CONF: pre-shared key set */
#define IEEE80211_F_COUNTERM 0x00800000 /* STATUS: countermeasures */
#define IEEE80211_F_MFPR 0x01000000 /* CONF: MFP required */
#define IEEE80211_F_HTON 0x02000000 /* CONF: HT enabled */
#define IEEE80211_F_PBAR 0x04000000 /* CONF: PBAC required */
#define IEEE80211_F_BGSCAN 0x08000000 /* STATUS: background scan */
#define IEEE80211_F_AUTO_JOIN 0x10000000 /* CONF: auto-join active */
#define IEEE80211_F_VHTON 0x20000000 /* CONF: VHT enabled */
/* ic_xflags */
#define IEEE80211_F_TX_MGMT_ONLY 0x00000001 /* leave data frames on ifq */
/* ic_caps */
#define IEEE80211_C_WEP 0x00000001 /* CAPABILITY: WEP available */
#define IEEE80211_C_IBSS 0x00000002 /* CAPABILITY: IBSS available */
#define IEEE80211_C_PMGT 0x00000004 /* CAPABILITY: Power mgmt */
#define IEEE80211_C_HOSTAP 0x00000008 /* CAPABILITY: HOSTAP avail */
#define IEEE80211_C_AHDEMO 0x00000010 /* CAPABILITY: Old Adhoc Demo */
#define IEEE80211_C_APPMGT 0x00000020 /* CAPABILITY: AP power mgmt */
#define IEEE80211_C_TXPMGT 0x00000040 /* CAPABILITY: tx power mgmt */
#define IEEE80211_C_SHSLOT 0x00000080 /* CAPABILITY: short slottime */
#define IEEE80211_C_SHPREAMBLE 0x00000100 /* CAPABILITY: short preamble */
#define IEEE80211_C_MONITOR 0x00000200 /* CAPABILITY: monitor mode */
#define IEEE80211_C_SCANALL 0x00000400 /* CAPABILITY: scan all chan */
#define IEEE80211_C_QOS 0x00000800 /* CAPABILITY: QoS avail */
#define IEEE80211_C_RSN 0x00001000 /* CAPABILITY: RSN avail */
#define IEEE80211_C_MFP 0x00002000 /* CAPABILITY: MFP avail */
#define IEEE80211_C_RAWCTL 0x00004000 /* CAPABILITY: raw ctl */
#define IEEE80211_C_SCANALLBAND 0x00008000 /* CAPABILITY: scan all bands */
#define IEEE80211_C_TX_AMPDU 0x00010000 /* CAPABILITY: send A-MPDU */
#define IEEE80211_C_ADDBA_OFFLOAD 0x00020000 /* CAPABILITY: ADDBA offload */
/* 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_channel_init(struct ifnet *);
void ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
int ieee80211_media_change(struct ifnet *);
void ieee80211_media_status(struct ifnet *, struct ifmediareq *);
int ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
int ieee80211_get_rate(struct ieee80211com *);
void ieee80211_watchdog(struct ifnet *);
int ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
uint64_t ieee80211_rate2media(struct ieee80211com *, int,
enum ieee80211_phymode);
int ieee80211_media2rate(uint64_t);
uint64_t ieee80211_mcs2media(struct ieee80211com *, int,
enum ieee80211_phymode);
int ieee80211_media2mcs(uint64_t);
u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
u_int ieee80211_mhz2ieee(u_int, u_int);
u_int ieee80211_chan2ieee(struct ieee80211com *,
const struct ieee80211_channel *);
u_int ieee80211_ieee2mhz(u_int, u_int);
int ieee80211_min_basic_rate(struct ieee80211com *);
int ieee80211_max_basic_rate(struct ieee80211com *);
int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
const struct ieee80211_channel *);
void ieee80211_disable_wep(struct ieee80211com *);
void ieee80211_disable_rsn(struct ieee80211com *);
int ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
void ieee80211_del_ess(struct ieee80211com *, char *, int, int);
void ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
struct ieee80211_node *);
void ieee80211_deselect_ess(struct ieee80211com *);
struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
void ieee80211_begin_bgscan(struct ifnet *);
extern int ieee80211_cache_size;
#endif /* _NET80211_IEEE80211_VAR_H_ */