2008-04-20 20:35:46 +00:00
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/*-
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* Copyright (c) 2007-2008 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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*
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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_DFS_H_
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#define _NET80211_IEEE80211_DFS_H_
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/*
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* 802.11h/DFS definitions.
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*/
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struct ieee80211_dfs_state {
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2008-12-15 01:26:33 +00:00
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int nol_event[IEEE80211_CHAN_MAX];
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2008-04-20 20:35:46 +00:00
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struct callout nol_timer; /* NOL list processing */
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struct callout cac_timer; /* CAC timer */
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struct timeval lastevent; /* time of last radar event */
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int cureps; /* current events/second */
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const struct ieee80211_channel *lastchan;/* chan w/ last radar event */
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struct ieee80211_channel *newchan; /* chan selected next */
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};
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void ieee80211_dfs_attach(struct ieee80211com *);
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void ieee80211_dfs_detach(struct ieee80211com *);
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void ieee80211_dfs_reset(struct ieee80211com *);
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void ieee80211_dfs_cac_start(struct ieee80211vap *);
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void ieee80211_dfs_cac_stop(struct ieee80211vap *);
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void ieee80211_dfs_cac_clear(struct ieee80211com *,
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const struct ieee80211_channel *);
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void ieee80211_dfs_notify_radar(struct ieee80211com *,
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struct ieee80211_channel *);
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struct ieee80211_channel *ieee80211_dfs_pickchannel(struct ieee80211com *);
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#endif /* _NET80211_IEEE80211_DFS_H_ */
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