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/*-
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 * Copyright (c) 2001 Atsushi Onoe
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 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * Alternatively, this software may be distributed under the terms of the
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 * GNU General Public License ("GPL") version 2 as published by the Free
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 * Software Foundation.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * $FreeBSD: src/sys/net80211/_ieee80211.h,v 1.3 2005/08/10 17:42:13 sam Exp $
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 */
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#ifndef _NET80211__IEEE80211_H_
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#define _NET80211__IEEE80211_H_
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enum ieee80211_phytype {
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        IEEE80211_T_DS,                        /* direct sequence spread spectrum */
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        IEEE80211_T_FH,                        /* frequency hopping */
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        IEEE80211_T_OFDM,                /* frequency division multiplexing */
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        IEEE80211_T_TURBO                /* high rate OFDM, aka turbo mode */
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};
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#define        IEEE80211_T_CCK        IEEE80211_T_DS        /* more common nomenclature */
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/* XXX not really a mode; there are really multiple PHY's */
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enum ieee80211_phymode {
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        IEEE80211_MODE_AUTO        = 0,        /* autoselect */
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        IEEE80211_MODE_11A        = 1,        /* 5GHz, OFDM */
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        IEEE80211_MODE_11B        = 2,        /* 2GHz, CCK */
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        IEEE80211_MODE_11G        = 3,        /* 2GHz, OFDM */
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        IEEE80211_MODE_FH        = 4,        /* 2GHz, GFSK */
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        IEEE80211_MODE_TURBO_A        = 5,        /* 5GHz, OFDM, 2x clock */
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        IEEE80211_MODE_TURBO_G        = 6        /* 2GHz, OFDM, 2x clock */
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};
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#define        IEEE80211_MODE_MAX        ((int)IEEE80211_MODE_TURBO_G + 1)
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enum ieee80211_opmode {
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        IEEE80211_M_STA                = 1,        /* infrastructure station */
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        IEEE80211_M_IBSS         = 0,        /* IBSS (adhoc) station */
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        IEEE80211_M_AHDEMO        = 3,        /* Old lucent compatible adhoc demo */
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        IEEE80211_M_HOSTAP        = 6,        /* Software Access Point */
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        IEEE80211_M_MONITOR        = 8        /* Monitor mode */
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};
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/*
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 * 802.11g protection mode.
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 */
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enum ieee80211_protmode {
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        IEEE80211_PROT_NONE        = 0,        /* no protection */
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        IEEE80211_PROT_CTSONLY        = 1,        /* CTS to self */
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        IEEE80211_PROT_RTSCTS        = 2        /* RTS-CTS */
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};
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/*
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 * Authentication mode.
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 */
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enum ieee80211_authmode {
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        IEEE80211_AUTH_NONE        = 0,
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        IEEE80211_AUTH_OPEN        = 1,                /* open */
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        IEEE80211_AUTH_SHARED        = 2,                /* shared-key */
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        IEEE80211_AUTH_8021X        = 3,                /* 802.1x */
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        IEEE80211_AUTH_AUTO        = 4,                /* auto-select/accept */
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        /* NB: these are used only for ioctls */
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        IEEE80211_AUTH_WPA        = 5                /* WPA/RSN w/ 802.1x/PSK */
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};
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/*
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 * Roaming mode is effectively who controls the operation
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 * of the 802.11 state machine when operating as a station.
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 * State transitions are controlled either by the driver
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 * (typically when management frames are processed by the
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 * hardware/firmware), the host (auto/normal operation of
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 * the 802.11 layer), or explicitly through ioctl requests
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 * when applications like wpa_supplicant want control.
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 */
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enum ieee80211_roamingmode {
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        IEEE80211_ROAMING_DEVICE= 0,        /* driver/hardware control */
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        IEEE80211_ROAMING_AUTO        = 1,        /* 802.11 layer control */
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        IEEE80211_ROAMING_MANUAL= 2        /* application control */
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};
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/*
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 * Channels are specified by frequency and attributes.
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 */
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struct ieee80211_channel {
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        u_int16_t        ic_freq;        /* setting in MHz */
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        u_int16_t        ic_flags;        /* see below */
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};
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extern const struct ieee80211_channel ieee80211_channel_anyc;
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#define        IEEE80211_CHAN_MAX        255
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#define        IEEE80211_CHAN_BYTES        32        /* howmany(IEEE80211_CHAN_MAX, NBBY) */
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#define        IEEE80211_CHAN_ANY        0xffff        /* token for ``any channel'' */
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#define        IEEE80211_CHAN_ANYC         (__UNCONST(&ieee80211_channel_anyc))
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/* bits 0-3 are for private use by drivers */
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/* channel attributes */
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#define        IEEE80211_CHAN_TURBO        0x0010        /* Turbo channel */
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#define        IEEE80211_CHAN_CCK        0x0020        /* CCK channel */
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#define        IEEE80211_CHAN_OFDM        0x0040        /* OFDM channel */
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#define        IEEE80211_CHAN_2GHZ        0x0080        /* 2 GHz spectrum channel. */
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#define        IEEE80211_CHAN_5GHZ        0x0100        /* 5 GHz spectrum channel */
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#define        IEEE80211_CHAN_PASSIVE        0x0200        /* Only passive scan allowed */
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#define        IEEE80211_CHAN_DYN        0x0400        /* Dynamic CCK-OFDM channel */
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#define        IEEE80211_CHAN_GFSK        0x0800        /* GFSK channel (FHSS PHY) */
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#define        IEEE80211_CHAN_GSM        0x1000        /* 900 MHz spectrum channel */
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#define        IEEE80211_CHAN_HALF        0x4000        /* Half rate channel */
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#define        IEEE80211_CHAN_QUARTER        0x8000        /* Quarter rate channel */
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/*
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 * Useful combinations of channel characteristics.
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 */
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#define        IEEE80211_CHAN_FHSS \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
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#define        IEEE80211_CHAN_A \
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        (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
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#define        IEEE80211_CHAN_B \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
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#define        IEEE80211_CHAN_PUREG \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
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#define        IEEE80211_CHAN_G \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
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#define        IEEE80211_CHAN_T \
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        (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
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#define        IEEE80211_CHAN_108G \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_TURBO)
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#define        IEEE80211_CHAN_ALL \
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        (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
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         IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)
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#define        IEEE80211_CHAN_ALLTURBO \
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        (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO)
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#define IEEE80211_IS_CHAN_ANYC(_c) \
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        ((_c) == IEEE80211_CHAN_ANYC)
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#define _IEEE80211_IS_CHAN(_c, _ch) \
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        (((_c)->ic_flags & IEEE80211_CHAN_ ## _ch) == IEEE80211_CHAN_ ## _ch)
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#define        IEEE80211_IS_CHAN_FHSS(_c)        _IEEE80211_IS_CHAN(_c, FHSS)
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#define        IEEE80211_IS_CHAN_A(_c)                _IEEE80211_IS_CHAN(_c, A)
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#define        IEEE80211_IS_CHAN_B(_c)                _IEEE80211_IS_CHAN(_c, B)
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#define        IEEE80211_IS_CHAN_PUREG(_c)        _IEEE80211_IS_CHAN(_c, PUREG)
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#define        IEEE80211_IS_CHAN_G(_c)                _IEEE80211_IS_CHAN(_c, G)
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#define        IEEE80211_IS_CHAN_ANYG(_c)        _IEEE80211_IS_CHAN(_c, ANYG)
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#define        IEEE80211_IS_CHAN_T(_c)                _IEEE80211_IS_CHAN(_c, T)
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#define        IEEE80211_IS_CHAN_108G(_c)        _IEEE80211_IS_CHAN(_c, 108G)
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#define        IEEE80211_IS_CHAN_2GHZ(_c)         _IEEE80211_IS_CHAN(_c, 2GHZ)
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#define        IEEE80211_IS_CHAN_5GHZ(_c)         _IEEE80211_IS_CHAN(_c, 5GHZ)
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#define        IEEE80211_IS_CHAN_OFDM(_c)         _IEEE80211_IS_CHAN(_c, OFDM)
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#define        IEEE80211_IS_CHAN_CCK(_c)         _IEEE80211_IS_CHAN(_c, CCK)
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#define        IEEE80211_IS_CHAN_GFSK(_c)         _IEEE80211_IS_CHAN(_c, GFSK)
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#define        IEEE80211_IS_CHAN_HALF(_c)         _IEEE80211_IS_CHAN(_c, HALF)
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#define        IEEE80211_IS_CHAN_QUARTER(_c)         _IEEE80211_IS_CHAN(_c, QUARTER)
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#define        IEEE80211_IS_CHAN_FULL(_c) \
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        (!IEEE80211_IS_CHAN_ANYC(_c) && \
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        ((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0)
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#define        IEEE80211_IS_CHAN_GSM(_c)         _IEEE80211_IS_CHAN(_c, GSM)
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#define        IEEE80211_IS_CHAN_PASSIVE(_c)         _IEEE80211_IS_CHAN(_c, PASSIVE)
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/* ni_chan encoding for FH phy */
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#define        IEEE80211_FH_CHANMOD        80
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#define        IEEE80211_FH_CHAN(set,pat)        (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
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#define        IEEE80211_FH_CHANSET(chan)        ((chan)/IEEE80211_FH_CHANMOD+1)
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#define        IEEE80211_FH_CHANPAT(chan)        ((chan)%IEEE80211_FH_CHANMOD)
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/*
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 * 802.11 rate set.
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 */
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#define        IEEE80211_RATE_SIZE        8                /* 802.11 standard */
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#define        IEEE80211_RATE_MAXSIZE        15                /* max rates we'll handle */
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struct ieee80211_rateset {
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        u_int8_t                rs_nrates;
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        u_int8_t                rs_rates[IEEE80211_RATE_MAXSIZE];
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};
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extern const struct ieee80211_rateset ieee80211_std_rateset_11a;
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extern const struct ieee80211_rateset ieee80211_std_rateset_11b;
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extern const struct ieee80211_rateset ieee80211_std_rateset_11g;
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#endif /* !_NET80211__IEEE80211_H_ */