From 5c2f214753ae16924974e91bf617d873724ad3b2 Mon Sep 17 00:00:00 2001 From: Mihir Shete Date: Mon, 14 Oct 2013 00:54:40 +0530 Subject: [PATCH] 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 Signed-off-by: Will Huang --- include/net/cfg80211.h | 26 ++++++++++++++++++++++++++ net/wireless/reg.c | 1 + net/wireless/reg.h | 3 --- 3 files changed, 27 insertions(+), 3 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 152d47c0577a..0917562b79aa 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -5729,6 +5729,32 @@ int regulatory_set_wiphy_regd(struct wiphy *wiphy, int regulatory_set_wiphy_regd_sync_rtnl(struct wiphy *wiphy, struct ieee80211_regdomain *rd); +/** + * 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. + * @user_reg_hint_type: the type of user regulatory hint. + * + * 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. + */ +int regulatory_hint_user(const char *alpha2, + enum nl80211_user_reg_hint_type user_reg_hint_type); + /** * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain * @wiphy: the wireless device we want to process the regulatory domain on diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 0d8ab9e48209..3f0a65c73edc 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2959,6 +2959,7 @@ int regulatory_hint_user(const char *alpha2, return 0; } +EXPORT_SYMBOL(regulatory_hint_user); int regulatory_hint_indoor(bool is_indoor, u32 portid) { diff --git a/net/wireless/reg.h b/net/wireless/reg.h index dc8f689bd469..18214e21baa7 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -33,9 +33,6 @@ bool is_world_regdom(const char *alpha2); bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region); enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy); -int regulatory_hint_user(const char *alpha2, - enum nl80211_user_reg_hint_type user_reg_hint_type); - /** * regulatory_hint_indoor - hint operation in indoor env. or not * @is_indoor: if true indicates that user space thinks that the