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net/wireless/reg.h
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#ifndef __NET_WIRELESS_REG_H #define __NET_WIRELESS_REG_H |
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/* * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
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extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain; |
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bool reg_is_valid_request(const char *alpha2); |
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bool is_world_regdom(const char *alpha2); |
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bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region); |
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enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy); |
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int regulatory_hint_user(const char *alpha2, enum nl80211_user_reg_hint_type user_reg_hint_type); |
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int regulatory_hint_indoor_user(void); |
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void wiphy_regulatory_register(struct wiphy *wiphy); |
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void wiphy_regulatory_deregister(struct wiphy *wiphy); |
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int __init regulatory_init(void); |
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void regulatory_exit(void); |
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int set_regdom(const struct ieee80211_regdomain *rd); |
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unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd, const struct ieee80211_reg_rule *rule); |
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bool reg_last_request_cell_base(void); |
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/** |
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* regulatory_hint_found_beacon - hints a beacon was found on a channel * @wiphy: the wireless device where the beacon was found on * @beacon_chan: the channel on which the beacon was found on * @gfp: context flags * * This informs the wireless core that a beacon from an AP was found on * the channel provided. This allows the wireless core to make educated * guesses on regulatory to help with world roaming. This is only used for * world roaming -- when we do not know our current location. This is * only useful on channels 12, 13 and 14 on the 2 GHz band as channels * 1-11 are already enabled by the world regulatory domain; and on * non-radar 5 GHz channels. * * Drivers do not need to call this, cfg80211 will do it for after a scan |
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* on a newly found BSS. If you cannot make use of this feature you can * set the wiphy->disable_beacon_hints to true. |
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*/ int regulatory_hint_found_beacon(struct wiphy *wiphy, |
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struct ieee80211_channel *beacon_chan, gfp_t gfp); |
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/** |
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* regulatory_hint_country_ie - hints a country IE as a regulatory domain |
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* @wiphy: the wireless device giving the hint (used only for reporting * conflicts) |
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* @band: the band on which the country IE was received on. This determines * the band we'll process the country IE channel triplets for. |
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* @country_ie: pointer to the country IE * @country_ie_len: length of the country IE * * We will intersect the rd with the what CRDA tells us should apply * for the alpha2 this country IE belongs to, this prevents APs from * sending us incorrect or outdated information against a country. |
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* * The AP is expected to provide Country IE channel triplets for the * band it is on. It is technically possible for APs to send channel * country IE triplets even for channels outside of the band they are * in but for that they would have to use the regulatory extension * in combination with a triplet but this behaviour is currently * not observed. For this reason if a triplet is seen with channel * information for a band the BSS is not present in it will be ignored. |
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*/ |
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void regulatory_hint_country_ie(struct wiphy *wiphy, |
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enum ieee80211_band band, |
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const u8 *country_ie, |
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u8 country_ie_len); |
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/** * regulatory_hint_disconnect - informs all devices have been disconneted * * Regulotory rules can be enhanced further upon scanning and upon * connection to an AP. These rules become stale if we disconnect * and go to another country, whether or not we suspend and resume. * If we suspend, go to another country and resume we'll automatically * get disconnected shortly after resuming and things will be reset as well. * This routine is a helper to restore regulatory settings to how they were * prior to our first connect attempt. This includes ignoring country IE and * beacon regulatory hints. The ieee80211_regdom module parameter will always * be respected but if a user had set the regulatory domain that will take * precedence. * * Must be called from process context. */ void regulatory_hint_disconnect(void); |
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/** * cfg80211_get_unii - get the U-NII band for the frequency * @freq: the frequency for which we want to get the UNII band. * Get a value specifying the U-NII band frequency belongs to. * U-NII bands are defined by the FCC in C.F.R 47 part 15. * * Returns -EINVAL if freq is invalid, 0 for UNII-1, 1 for UNII-2A, * 2 for UNII-2B, 3 for UNII-2C and 4 for UNII-3. */ int cfg80211_get_unii(int freq); |
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/** * regulatory_indoor_allowed - is indoor operation allowed */ bool regulatory_indoor_allowed(void); |
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#endif /* __NET_WIRELESS_REG_H */ |