cfg80211: export freq_reg_info()
This can be used by drivers on the reg_notifier() Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -418,4 +418,28 @@ extern void wiphy_apply_custom_regulatory(
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struct wiphy *wiphy,
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struct wiphy *wiphy,
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const struct ieee80211_regdomain *regd);
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const struct ieee80211_regdomain *regd);
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/**
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* freq_reg_info - get regulatory information for the given frequency
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* @wiphy: the wiphy for which we want to process this rule for
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* @center_freq: Frequency in KHz for which we want regulatory information for
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* @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
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* you can set this to 0. If this frequency is allowed we then set
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* this value to the maximum allowed bandwidth.
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* @reg_rule: the regulatory rule which we have for this frequency
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*
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* Use this function to get the regulatory rule for a specific frequency on
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* a given wireless device. If the device has a specific regulatory domain
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* it wants to follow we respect that unless a country IE has been received
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* and processed already.
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*
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* Returns 0 if it was able to find a valid regulatory rule which does
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* apply to the given center_freq otherwise it returns non-zero. It will
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* also return -ERANGE if we determine the given center_freq does not even have
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* a regulatory rule for a frequency range in the center_freq's band. See
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* freq_in_rule_band() for our current definition of a band -- this is purely
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* subjective and right now its 802.11 specific.
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*/
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extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
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const struct ieee80211_reg_rule **reg_rule);
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#endif /* __NET_WIRELESS_H */
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#endif /* __NET_WIRELESS_H */
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@ -833,29 +833,9 @@ static int freq_reg_info_regd(struct wiphy *wiphy,
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return !max_bandwidth;
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return !max_bandwidth;
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}
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}
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EXPORT_SYMBOL(freq_reg_info);
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/**
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int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
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* freq_reg_info - get regulatory information for the given frequency
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* @wiphy: the wiphy for which we want to process this rule for
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* @center_freq: Frequency in KHz for which we want regulatory information for
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* @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
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* you can set this to 0. If this frequency is allowed we then set
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* this value to the maximum allowed bandwidth.
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* @reg_rule: the regulatory rule which we have for this frequency
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*
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* Use this function to get the regulatory rule for a specific frequency on
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* a given wireless device. If the device has a specific regulatory domain
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* it wants to follow we respect that unless a country IE has been received
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* and processed already.
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*
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* Returns 0 if it was able to find a valid regulatory rule which does
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* apply to the given center_freq otherwise it returns non-zero. It will
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* also return -ERANGE if we determine the given center_freq does not even have
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* a regulatory rule for a frequency range in the center_freq's band. See
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* freq_in_rule_band() for our current definition of a band -- this is purely
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* subjective and right now its 802.11 specific.
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*/
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static int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
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const struct ieee80211_reg_rule **reg_rule)
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const struct ieee80211_reg_rule **reg_rule)
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{
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{
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return freq_reg_info_regd(wiphy, center_freq,
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return freq_reg_info_regd(wiphy, center_freq,
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