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path: root/drivers/net/wireless/ath/regd.c
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Diffstat (limited to 'drivers/net/wireless/ath/regd.c')
-rw-r--r--drivers/net/wireless/ath/regd.c141
1 files changed, 123 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 7d077c752dd5..1217c52ab28e 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -356,14 +356,132 @@ static u16 ath_regd_find_country_by_name(char *alpha2)
return -1;
}
+static int __ath_reg_dyn_country(struct wiphy *wiphy,
+ struct ath_regulatory *reg,
+ struct regulatory_request *request)
+{
+ u16 country_code;
+
+ if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ !ath_is_world_regd(reg))
+ return -EINVAL;
+
+ country_code = ath_regd_find_country_by_name(request->alpha2);
+ if (country_code == (u16) -1)
+ return -EINVAL;
+
+ reg->current_rd = COUNTRY_ERD_FLAG;
+ reg->current_rd |= country_code;
+
+ __ath_regd_init(reg);
+
+ ath_reg_apply_world_flags(wiphy, request->initiator, reg);
+
+ return 0;
+}
+
+static void ath_reg_dyn_country(struct wiphy *wiphy,
+ struct ath_regulatory *reg,
+ struct regulatory_request *request)
+{
+ if (__ath_reg_dyn_country(wiphy, reg, request))
+ return;
+
+ printk(KERN_DEBUG "ath: regdomain 0x%0x "
+ "dynamically updated by %s\n",
+ reg->current_rd,
+ 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)
{
struct ath_common *common = container_of(reg, struct ath_common,
regulatory);
- u16 country_code;
-
/* We always apply this */
ath_reg_apply_radar_flags(wiphy);
@@ -388,25 +506,12 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
sizeof(struct ath_regulatory));
break;
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:
- if (!ath_is_world_regd(reg))
- break;
-
- country_code = ath_regd_find_country_by_name(request->alpha2);
- if (country_code == (u16) -1)
- break;
-
- reg->current_rd = COUNTRY_ERD_FLAG;
- reg->current_rd |= country_code;
-
- printk(KERN_DEBUG "ath: regdomain 0x%0x updated by CountryIE\n",
- reg->current_rd);
- __ath_regd_init(reg);
-
- ath_reg_apply_world_flags(wiphy, request->initiator, reg);
-
+ ath_reg_dyn_country(wiphy, reg, request);
break;
}
}