ath: add support for proper dynamic regulatory hints

This enables support for dynamic user regulatory hints.
This is enabled only when CFG80211_CERTIFICATION_ONUS
is selected. For US and JP this is explicitly disabled
unless the systems are being used for strict controlled
testing.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 7222eebba47e..c00687e05688 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -392,6 +392,89 @@ static void ath_reg_dyn_country(struct wiphy *wiphy,
                reg_initiator_name(request->initiator));
 }
 
+static bool dynamic_country_user_possible(struct ath_regulatory *reg)
+{
+        if (config_enabled(CONFIG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
+                return true;
+
+        switch (reg->country_code) {
+        case CTRY_UNITED_STATES:
+        case CTRY_JAPAN1:
+        case CTRY_JAPAN2:
+        case CTRY_JAPAN3:
+        case CTRY_JAPAN4:
+        case CTRY_JAPAN5:
+        case CTRY_JAPAN6:
+        case CTRY_JAPAN7:
+        case CTRY_JAPAN8:
+        case CTRY_JAPAN9:
+        case CTRY_JAPAN10:
+        case CTRY_JAPAN11:
+        case CTRY_JAPAN12:
+        case CTRY_JAPAN13:
+        case CTRY_JAPAN14:
+        case CTRY_JAPAN15:
+        case CTRY_JAPAN16:
+        case CTRY_JAPAN17:
+        case CTRY_JAPAN18:
+        case CTRY_JAPAN19:
+        case CTRY_JAPAN20:
+        case CTRY_JAPAN21:
+        case CTRY_JAPAN22:
+        case CTRY_JAPAN23:
+        case CTRY_JAPAN24:
+        case CTRY_JAPAN25:
+        case CTRY_JAPAN26:
+        case CTRY_JAPAN27:
+        case CTRY_JAPAN28:
+        case CTRY_JAPAN29:
+        case CTRY_JAPAN30:
+        case CTRY_JAPAN31:
+        case CTRY_JAPAN32:
+        case CTRY_JAPAN33:
+        case CTRY_JAPAN34:
+        case CTRY_JAPAN35:
+        case CTRY_JAPAN36:
+        case CTRY_JAPAN37:
+        case CTRY_JAPAN38:
+        case CTRY_JAPAN39:
+        case CTRY_JAPAN40:
+        case CTRY_JAPAN41:
+        case CTRY_JAPAN42:
+        case CTRY_JAPAN43:
+        case CTRY_JAPAN44:
+        case CTRY_JAPAN45:
+        case CTRY_JAPAN46:
+        case CTRY_JAPAN47:
+        case CTRY_JAPAN48:
+        case CTRY_JAPAN49:
+        case CTRY_JAPAN50:
+        case CTRY_JAPAN51:
+        case CTRY_JAPAN52:
+        case CTRY_JAPAN53:
+        case CTRY_JAPAN54:
+        case CTRY_JAPAN55:
+        case CTRY_JAPAN56:
+        case CTRY_JAPAN57:
+        case CTRY_JAPAN58:
+        case CTRY_JAPAN59:
+                return false;
+        }
+
+        return true;
+}
+
+static void ath_reg_dyn_country_user(struct wiphy *wiphy,
+                                     struct ath_regulatory *reg,
+                                     struct regulatory_request *request)
+{
+        if (!config_enabled(CONFIG_ATH_REG_DYNAMIC_USER_REG_HINTS))
+                return;
+        if (!dynamic_country_user_possible(reg))
+                return;
+        ath_reg_dyn_country(wiphy, reg, request);
+}
+
 void ath_reg_notifier_apply(struct wiphy *wiphy,
                             struct regulatory_request *request,
                             struct ath_regulatory *reg)
@@ -424,6 +507,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
         case NL80211_REGDOM_SET_BY_DRIVER:
                 break;
         case NL80211_REGDOM_SET_BY_USER:
+                ath_reg_dyn_country_user(wiphy, reg, request);
                 break;
         case NL80211_REGDOM_SET_BY_COUNTRY_IE:
                 ath_reg_dyn_country(wiphy, reg, request);