| #ifndef __NET_WIRELESS_REG_H | |
| #define __NET_WIRELESS_REG_H | |
| /* | |
| * 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. | |
| */ | |
| extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain; | |
| bool reg_is_valid_request(const char *alpha2); | |
| bool is_world_regdom(const char *alpha2); | |
| bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region); | |
| enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy); | |
| int regulatory_hint_user(const char *alpha2, | |
| enum nl80211_user_reg_hint_type user_reg_hint_type); | |
| int regulatory_hint_indoor_user(void); | |
| void wiphy_regulatory_register(struct wiphy *wiphy); | |
| void wiphy_regulatory_deregister(struct wiphy *wiphy); | |
| int __init regulatory_init(void); | |
| void regulatory_exit(void); | |
| int set_regdom(const struct ieee80211_regdomain *rd); | |
| unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd, | |
| const struct ieee80211_reg_rule *rule); | |
| bool reg_last_request_cell_base(void); | |
| /** | |
| * 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 | |
| * on a newly found BSS. If you cannot make use of this feature you can | |
| * set the wiphy->disable_beacon_hints to true. | |
| */ | |
| int regulatory_hint_found_beacon(struct wiphy *wiphy, | |
| struct ieee80211_channel *beacon_chan, | |
| gfp_t gfp); | |
| /** | |
| * regulatory_hint_country_ie - hints a country IE as a regulatory domain | |
| * @wiphy: the wireless device giving the hint (used only for reporting | |
| * conflicts) | |
| * @band: the band on which the country IE was received on. This determines | |
| * the band we'll process the country IE channel triplets for. | |
| * @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. | |
| * | |
| * 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. | |
| */ | |
| void regulatory_hint_country_ie(struct wiphy *wiphy, | |
| enum ieee80211_band band, | |
| const u8 *country_ie, | |
| u8 country_ie_len); | |
| /** | |
| * 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); | |
| /** | |
| * 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); | |
| /** | |
| * regulatory_indoor_allowed - is indoor operation allowed | |
| */ | |
| bool regulatory_indoor_allowed(void); | |
| #endif /* __NET_WIRELESS_REG_H */ |