189 lines
7.1 KiB
C
189 lines
7.1 KiB
C
/*-
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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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* $FreeBSD$
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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 (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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#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 \
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((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
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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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/*
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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_IS_CHAN_FHSS(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
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#define IEEE80211_IS_CHAN_A(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
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#define IEEE80211_IS_CHAN_B(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
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#define IEEE80211_IS_CHAN_PUREG(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
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#define IEEE80211_IS_CHAN_G(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
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#define IEEE80211_IS_CHAN_T(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_T) == IEEE80211_CHAN_T)
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#define IEEE80211_IS_CHAN_108G(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)
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#define IEEE80211_IS_CHAN_2GHZ(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
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#define IEEE80211_IS_CHAN_5GHZ(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
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#define IEEE80211_IS_CHAN_OFDM(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
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#define IEEE80211_IS_CHAN_CCK(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
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#define IEEE80211_IS_CHAN_GFSK(_c) \
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(((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
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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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#endif /* _NET80211__IEEE80211_H_ */
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