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Commit 34afb5f5 authored by Mihir Shete's avatar Mihir Shete Committed by Sandeep Singh
Browse files

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: default avatarMihir Shete <smihir@codeaurora.org>
Signed-off-by: default avatarWill Huang <wilhuang@codeaurora.org>
parent 349f31ec

include/net/cfg80211.h

+26 −0
Original line number Diff line number Diff line
@@ -5230,6 +5230,32 @@ 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

net/wireless/reg.c

+1 −0
Original line number Diff line number Diff line
@@ -3004,6 +3004,7 @@ int regulatory_hint_user(const char *alpha2, 


	return 0;

}

EXPORT_SYMBOL(regulatory_hint_user);



int regulatory_hint_indoor(bool is_indoor, u32 portid)

{

net/wireless/reg.h

+0 −3
Original line number Diff line number Diff line
@@ -31,9 +31,6 @@ 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