NetBSD/sys/net80211/ieee80211_channel.h
2004-07-16 02:56:50 +00:00

99 lines
4.1 KiB
C

/* $NetBSD: ieee80211_channel.h,v 1.1 2004/07/16 02:56:50 dyoung Exp $ */
/*-
* 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.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* 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.
*/
#ifndef _NET80211_IEEE80211_CHANNEL_H_
#define _NET80211_IEEE80211_CHANNEL_H_
/*
* net80211 channel definitions.
*/
/*
* 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 */
};
/* bits 0-3 are for private use by drivers */
/* channel attributes */
#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_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
/*
* Useful combinations of channel characteristics.
*/
#define IEEE80211_CHAN_FHSS \
(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
#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_IS_CHAN_FHSS(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
#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_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_GFSK(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
#endif /* _NET80211_IEEE80211_CHANNEL_H_ */