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/* $OpenBSD: ieee80211_var.h,v 1.54 2008/09/27 15:16:09 damien 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 *) IEEE80211_CHAN_ANY)
#define IEEE80211_TXPOWER_MAX 100 /* max power */
#define IEEE80211_TXPOWER_MIN -50 /* kill radio (if possible) */
enum ieee80211_phytype {
IEEE80211_T_DS, /* direct sequence spread spectrum */
IEEE80211_T_OFDM, /* frequency division multiplexing */
IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
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_TURBO = 4 /* 5GHz, OFDM, 2x clock */
};
#define IEEE80211_MODE_MAX (IEEE80211_MODE_TURBO+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 */
};
/*
* Channel attributes (XXX must keep in sync with radiotap flags).
*/
#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
#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 */
/*
* 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_CHAN_T \
(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
#define IEEE80211_CHAN_TG \
(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
#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_T(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T)
#define IEEE80211_IS_CHAN_TG(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_TG) == IEEE80211_CHAN_TG)
#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)
/*
* 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;
};
#define IEEE80211_PROTO_NONE 0
#define IEEE80211_PROTO_RSN (1 << 0)
#define IEEE80211_PROTO_WPA (1 << 1)
struct ieee80211_rxinfo {
u_int32_t rxi_flags;
u_int32_t rxi_tstamp;
int rxi_rssi;
};
#define IEEE80211_RXI_HWDEC 0x00000001
#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 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 (*ic_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
void (*ic_newassoc)(struct ieee80211com *,
struct ieee80211_node *, int);
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 *);
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 ifqueue ic_mgtq;
struct ifqueue ic_pwrsaveq;
u_int ic_scan_lock; /* user-initiated scan */
u_int8_t ic_scan_count; /* count scans */
u_int32_t ic_flags; /* state 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 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 *);
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) */
u_int16_t ic_bmisstimeout;/* beacon miss threshold (ms) */
u_int16_t ic_nonerpsta; /* # non-ERP stations */
u_int16_t ic_longslotsta; /* # long slot time stations */
u_int16_t ic_rsnsta; /* # RSN stations */
u_int16_t ic_pssta; /* # ps mode stations */
int ic_mgt_timer; /* mgmt timeout */
int ic_inact_timer; /* inactivity timer wait */
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;
u_int16_t ic_rsn_keydonesta;
int ic_tkip_micfail;
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;
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;
};
#define ic_if ic_ac.ac_if
#define ic_softc ic_if.if_softc
LIST_HEAD(ieee80211com_head, ieee80211com);
extern struct ieee80211com_head ieee80211com_head;
#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 requested */
#define IEEE80211_F_USERMASK 0xf0000000 /* CONF: ioctl flag mask */
/* 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_HT 0x00004000 /* CAPABILITY: HT avail */
/* 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_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);
int ieee80211_rate2media(struct ieee80211com *, int,
enum ieee80211_phymode);
int ieee80211_media2rate(int);
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_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 *);
extern int ieee80211_cache_size;
#endif /* _NET80211_IEEE80211_VAR_H_ */
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