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/*-
* Copyright (c) 2007-2008 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.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _NET80211_IEEE80211_DFS_H_
#define _NET80211_IEEE80211_DFS_H_
/*
* 802.11h/DFS definitions.
*/
struct ieee80211_dfs_state {
int nol_event[IEEE80211_CHAN_MAX+1];
struct callout nol_timer; /* NOL list processing */
struct callout cac_timer; /* CAC timer */
struct timeval lastevent; /* time of last radar event */
int cureps; /* current events/second */
const struct ieee80211_channel *lastchan;/* chan w/ last radar event */
struct ieee80211_channel *newchan; /* chan selected next */
};
void ieee80211_dfs_attach(struct ieee80211com *);
void ieee80211_dfs_detach(struct ieee80211com *);
void ieee80211_dfs_reset(struct ieee80211com *);
void ieee80211_dfs_cac_start(struct ieee80211vap *);
void ieee80211_dfs_cac_stop(struct ieee80211vap *);
void ieee80211_dfs_cac_clear(struct ieee80211com *,
const struct ieee80211_channel *);
void ieee80211_dfs_notify_radar(struct ieee80211com *,
struct ieee80211_channel *);
struct ieee80211_channel *ieee80211_dfs_pickchannel(struct ieee80211com *);
#endif /* _NET80211_IEEE80211_DFS_H_ */
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