1b032f27cSSam Leffler /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3fe267a55SPedro F. Giffuni * 4b032f27cSSam Leffler * Copyright (c) 2007-2008 Sam Leffler, Errno Consulting 5b032f27cSSam Leffler * All rights reserved. 6b032f27cSSam Leffler * 7b032f27cSSam Leffler * Redistribution and use in source and binary forms, with or without 8b032f27cSSam Leffler * modification, are permitted provided that the following conditions 9b032f27cSSam Leffler * are met: 10b032f27cSSam Leffler * 1. Redistributions of source code must retain the above copyright 11b032f27cSSam Leffler * notice, this list of conditions and the following disclaimer. 12b032f27cSSam Leffler * 2. Redistributions in binary form must reproduce the above copyright 13b032f27cSSam Leffler * notice, this list of conditions and the following disclaimer in the 14b032f27cSSam Leffler * documentation and/or other materials provided with the distribution. 15b032f27cSSam Leffler * 16b032f27cSSam Leffler * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17b032f27cSSam Leffler * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18b032f27cSSam Leffler * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19b032f27cSSam Leffler * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20b032f27cSSam Leffler * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21b032f27cSSam Leffler * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22b032f27cSSam Leffler * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23b032f27cSSam Leffler * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24b032f27cSSam Leffler * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25b032f27cSSam Leffler * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26b032f27cSSam Leffler */ 27b032f27cSSam Leffler #ifndef _NET80211_IEEE80211_DFS_H_ 28b032f27cSSam Leffler #define _NET80211_IEEE80211_DFS_H_ 29b032f27cSSam Leffler 30b032f27cSSam Leffler /* 31b032f27cSSam Leffler * 802.11h/DFS definitions. 32b032f27cSSam Leffler */ 33b032f27cSSam Leffler 3462f8a13aSAdrian Chadd typedef enum { 3562f8a13aSAdrian Chadd DFS_DBG_NONE = 0, 3662f8a13aSAdrian Chadd DFS_DBG_NONOL = 1, 3762f8a13aSAdrian Chadd DFS_DBG_NOCSANOL = 2 3862f8a13aSAdrian Chadd } dfs_debug_t; 3962f8a13aSAdrian Chadd 40b032f27cSSam Leffler struct ieee80211_dfs_state { 4131378b1cSSam Leffler int nol_event[IEEE80211_CHAN_MAX]; 42b032f27cSSam Leffler struct callout nol_timer; /* NOL list processing */ 43b032f27cSSam Leffler struct callout cac_timer; /* CAC timer */ 44b032f27cSSam Leffler struct timeval lastevent; /* time of last radar event */ 45b032f27cSSam Leffler int cureps; /* current events/second */ 46b032f27cSSam Leffler const struct ieee80211_channel *lastchan;/* chan w/ last radar event */ 47b032f27cSSam Leffler struct ieee80211_channel *newchan; /* chan selected next */ 48b032f27cSSam Leffler }; 49b032f27cSSam Leffler 50b032f27cSSam Leffler void ieee80211_dfs_attach(struct ieee80211com *); 51b032f27cSSam Leffler void ieee80211_dfs_detach(struct ieee80211com *); 52b032f27cSSam Leffler 53b032f27cSSam Leffler void ieee80211_dfs_reset(struct ieee80211com *); 54b032f27cSSam Leffler 55b032f27cSSam Leffler void ieee80211_dfs_cac_start(struct ieee80211vap *); 56b032f27cSSam Leffler void ieee80211_dfs_cac_stop(struct ieee80211vap *); 57b032f27cSSam Leffler void ieee80211_dfs_cac_clear(struct ieee80211com *, 58b032f27cSSam Leffler const struct ieee80211_channel *); 59b032f27cSSam Leffler 60b032f27cSSam Leffler void ieee80211_dfs_notify_radar(struct ieee80211com *, 61b032f27cSSam Leffler struct ieee80211_channel *); 62b032f27cSSam Leffler struct ieee80211_channel *ieee80211_dfs_pickchannel(struct ieee80211com *); 63b032f27cSSam Leffler #endif /* _NET80211_IEEE80211_DFS_H_ */ 64