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f8a1c77457
Now that we have wiphy_regulatory_register() we can tuck away the core's regulatory_update() call there and make it static. Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
106 lines
4.5 KiB
C
106 lines
4.5 KiB
C
#ifndef __NET_WIRELESS_REG_H
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#define __NET_WIRELESS_REG_H
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/*
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* Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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extern const struct ieee80211_regdomain *cfg80211_regdomain;
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bool is_world_regdom(const char *alpha2);
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bool reg_is_valid_request(const char *alpha2);
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bool reg_supported_dfs_region(u8 dfs_region);
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int regulatory_hint_user(const char *alpha2,
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enum nl80211_user_reg_hint_type user_reg_hint_type);
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int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env);
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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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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
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* @wiphy: the wireless device where the beacon was found on
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* @beacon_chan: the channel on which the beacon was found on
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* @gfp: context flags
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*
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* This informs the wireless core that a beacon from an AP was found on
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* the channel provided. This allows the wireless core to make educated
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* guesses on regulatory to help with world roaming. This is only used for
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* world roaming -- when we do not know our current location. This is
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* only useful on channels 12, 13 and 14 on the 2 GHz band as channels
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* 1-11 are already enabled by the world regulatory domain; and on
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* non-radar 5 GHz channels.
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*
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* 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
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* set the wiphy->disable_beacon_hints to true.
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*/
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int regulatory_hint_found_beacon(struct wiphy *wiphy,
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struct ieee80211_channel *beacon_chan,
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gfp_t gfp);
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/**
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* regulatory_hint_11d - hints a country IE as a regulatory domain
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* @wiphy: the wireless device giving the hint (used only for reporting
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* conflicts)
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* @band: the band on which the country IE was received on. This determines
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* the band we'll process the country IE channel triplets for.
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* @country_ie: pointer to the country IE
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* @country_ie_len: length of the country IE
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*
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* We will intersect the rd with the what CRDA tells us should apply
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* for the alpha2 this country IE belongs to, this prevents APs from
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* sending us incorrect or outdated information against a country.
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*
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* The AP is expected to provide Country IE channel triplets for the
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* band it is on. It is technically possible for APs to send channel
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* country IE triplets even for channels outside of the band they are
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* in but for that they would have to use the regulatory extension
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* in combination with a triplet but this behaviour is currently
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* not observed. For this reason if a triplet is seen with channel
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* 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_11d(struct wiphy *wiphy,
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enum ieee80211_band band,
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u8 *country_ie,
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u8 country_ie_len);
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/**
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* regulatory_hint_disconnect - informs all devices have been disconneted
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*
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* Regulotory rules can be enhanced further upon scanning and upon
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* connection to an AP. These rules become stale if we disconnect
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* and go to another country, whether or not we suspend and resume.
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* If we suspend, go to another country and resume we'll automatically
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* get disconnected shortly after resuming and things will be reset as well.
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* This routine is a helper to restore regulatory settings to how they were
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* prior to our first connect attempt. This includes ignoring country IE and
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* beacon regulatory hints. The ieee80211_regdom module parameter will always
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* be respected but if a user had set the regulatory domain that will take
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* precedence.
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*
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* Must be called from process context.
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*/
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void regulatory_hint_disconnect(void);
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#endif /* __NET_WIRELESS_REG_H */
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