cfg80211: export regulatory_hint_user() API
This is to help the hardware configured in world
roaming mode to save power when not connected to
any AP.
CRs-Fixed: 542802
Change-Id: Ia643d0e9848dcd486832973bd6dd186edd7bd4ea
Signed-off-by: Mihir Shete <smihir@codeaurora.org>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index c7a47bc..588dbd8 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2725,6 +2725,30 @@
extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
/**
+ * regulatory_hint_user - hint to the wireless core a regulatory domain
+ * which the driver has received from an application
+ * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
+ * should be in. If @rd is set this should be NULL. Note that if you
+ * set this to NULL you should still set rd->alpha2 to some accepted
+ * alpha2.
+ *
+ * Wireless drivers can use this function to hint to the wireless core
+ * the current regulatory domain as specified by trusted applications,
+ * it is the driver's responsibilty to estbalish which applications it
+ * trusts.
+ *
+ * The wiphy should be registered to cfg80211 prior to this call.
+ * For cfg80211 drivers this means you must first use wiphy_register(),
+ * for mac80211 drivers you must first use ieee80211_register_hw().
+ *
+ * Drivers should check the return value, its possible you can get
+ * an -ENOMEM or an -EINVAL.
+ *
+ * Return: 0 on success. -ENOMEM, -EINVAL.
+ */
+extern int regulatory_hint_user(const char *alpha2);
+
+/**
* wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
* @wiphy: the wireless device we want to process the regulatory domain on
* @regd: the custom regulatory domain to use for this wiphy
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 30eca9d..35e49d3 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1662,6 +1662,7 @@
return 0;
}
+EXPORT_SYMBOL(regulatory_hint_user);
/* Driver hints */
int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index e2aaaf5..017880c 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -22,8 +22,6 @@
bool reg_is_valid_request(const char *alpha2);
bool reg_supported_dfs_region(u8 dfs_region);
-int regulatory_hint_user(const char *alpha2);
-
int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env);
void reg_device_remove(struct wiphy *wiphy);