Commit 34f57347 authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
Browse files

cfg80211: export freq_reg_info() 



This can be used by drivers on the reg_notifier()

Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1fa25e41

include/net/wireless.h

+24 −0
Original line number Diff line number Diff line
@@ -418,4 +418,28 @@ extern void wiphy_apply_custom_regulatory( 
	struct wiphy *wiphy,

	const struct ieee80211_regdomain *regd);



/**

 * freq_reg_info - get regulatory information for the given frequency

 * @wiphy: the wiphy for which we want to process this rule for

 * @center_freq: Frequency in KHz for which we want regulatory information for

 * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one

 * 	you can set this to 0. If this frequency is allowed we then set

 * 	this value to the maximum allowed bandwidth.

 * @reg_rule: the regulatory rule which we have for this frequency

 *

 * Use this function to get the regulatory rule for a specific frequency on

 * a given wireless device. If the device has a specific regulatory domain

 * it wants to follow we respect that unless a country IE has been received

 * and processed already.

 *

 * Returns 0 if it was able to find a valid regulatory rule which does

 * apply to the given center_freq otherwise it returns non-zero. It will

 * also return -ERANGE if we determine the given center_freq does not even have

 * a regulatory rule for a frequency range in the center_freq's band. See

 * freq_in_rule_band() for our current definition of a band -- this is purely

 * subjective and right now its 802.11 specific.

 */

extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,

			 const struct ieee80211_reg_rule **reg_rule);



#endif /* __NET_WIRELESS_H */

net/wireless/reg.c

+2 −22
Original line number Diff line number Diff line
@@ -833,29 +833,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy, 


	return !max_bandwidth;

}

EXPORT_SYMBOL(freq_reg_info);



/**

 * freq_reg_info - get regulatory information for the given frequency

 * @wiphy: the wiphy for which we want to process this rule for

 * @center_freq: Frequency in KHz for which we want regulatory information for

 * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one

 * 	you can set this to 0. If this frequency is allowed we then set

 * 	this value to the maximum allowed bandwidth.

 * @reg_rule: the regulatory rule which we have for this frequency

 *

 * Use this function to get the regulatory rule for a specific frequency on

 * a given wireless device. If the device has a specific regulatory domain

 * it wants to follow we respect that unless a country IE has been received

 * and processed already.

 *

 * Returns 0 if it was able to find a valid regulatory rule which does

 * apply to the given center_freq otherwise it returns non-zero. It will

 * also return -ERANGE if we determine the given center_freq does not even have

 * a regulatory rule for a frequency range in the center_freq's band. See

 * freq_in_rule_band() for our current definition of a band -- this is purely

 * subjective and right now its 802.11 specific.

 */

static int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,

int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,

			 const struct ieee80211_reg_rule **reg_rule)

{

	return freq_reg_info_regd(wiphy, center_freq,