cfg80211: export freq_reg_info() (34f57347) · Commits · 戴 / test

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,

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