linux_old1/net/wireless/reg.h

56 lines
1.9 KiB
C

#ifndef __NET_WIRELESS_REG_H
#define __NET_WIRELESS_REG_H
extern const struct ieee80211_regdomain *cfg80211_regdomain;
bool is_world_regdom(const char *alpha2);
bool reg_is_valid_request(const char *alpha2);
int regulatory_hint_user(const char *alpha2);
void reg_device_remove(struct wiphy *wiphy);
int regulatory_init(void);
void regulatory_exit(void);
int set_regdom(const struct ieee80211_regdomain *rd);
/**
* 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_11d - hints a country IE as a regulatory domain
* @wiphy: the wireless device giving the hint (used only for reporting
* conflicts)
* @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* sending us incorrect or outdated information against a country.
*/
void regulatory_hint_11d(struct wiphy *wiphy,
u8 *country_ie,
u8 country_ie_len);
#endif /* __NET_WIRELESS_REG_H */