@@ -88,4 +88,14 @@ config RTW88_DEBUGFS
If unsure, say Y to simplify debug problems
+config RTW88_REGD_USER_REG_HINTS
+ bool "Realtek rtw88 user regulatory hints"
+ depends on RTW88_CORE
+ default n
+ help
+ Enable regulatoy user hints
+
+ If unsure, say N. This should only be allowed on distributions
+ that need this to correct the regulatory.
+
endif
@@ -1565,8 +1565,11 @@ int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
return ret;
}
- if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2))
- rtw_err(rtwdev, "regulatory_hint fail\n");
+ if (!rtwdev->efuse.country_worldwide) {
+ ret = regulatory_hint(hw->wiphy, rtwdev->efuse.country_code);
+ if (ret)
+ rtw_warn(rtwdev, "failed to hint regulatory:%d\n", ret);
+ }
rtw_debugfs_init(rtwdev);
@@ -1512,6 +1512,7 @@ struct rtw_efuse {
u8 addr[ETH_ALEN];
u8 channel_plan;
u8 country_code[2];
+ bool country_worldwide;
u8 rf_board_option;
u8 rfe_option;
u8 power_track_type;
@@ -7,6 +7,18 @@
#include "debug.h"
#include "phy.h"
+static const struct ieee80211_regdomain rtw88_world_regdom = {
+ .n_reg_rules = 5,
+ .alpha2 = "99",
+ .reg_rules = {
+ REG_RULE(2412 - 10, 2462 + 10, 40, 0, 20, 0),
+ REG_RULE(2467 - 10, 2484 + 10, 40, 0, 20, NL80211_RRF_NO_IR),
+ REG_RULE(5180 - 10, 5240 + 10, 80, 0, 20, NL80211_RRF_NO_IR),
+ REG_RULE(5260 - 10, 5700 + 10, 80, 0, 20,
+ NL80211_RRF_NO_IR | NL80211_RRF_DFS),
+ REG_RULE(5745 - 10, 5825 + 10, 80, 0, 20, NL80211_RRF_NO_IR),
+ }
+};
#define COUNTRY_CHPLAN_ENT(_alpha2, _chplan, _txpwr_regd) \
{.alpha2 = (_alpha2), \
.chplan = (_chplan), \
@@ -332,19 +344,47 @@ static struct rtw_regulatory rtw_regd_find_reg_by_name(char *alpha2)
unsigned int i;
for (i = 0; i < ARRAY_SIZE(all_chplan_map); i++) {
- if (!memcmp(all_chplan_map[i].alpha2, alpha2, 2))
+ if (!memcmp(all_chplan_map[i].alpha2, alpha2, RTW_ALPHA2_LEN))
return all_chplan_map[i];
}
return rtw_defined_chplan;
}
+static bool rtw_regd_is_ww(struct rtw_regulatory *reg)
+{
+ if (reg->txpwr_regd == RTW_REGD_WW)
+ return true;
+ return false;
+}
+
+static bool rtw_regd_is_match(struct rtw_dev *rtwdev, char *alpha2)
+{
+ return !memcmp(rtwdev->regd.alpha2, alpha2, RTW_ALPHA2_LEN);
+}
+
static int rtw_regd_notifier_apply(struct rtw_dev *rtwdev,
struct wiphy *wiphy,
struct regulatory_request *request)
{
- if (request->initiator == NL80211_REGDOM_SET_BY_USER)
+ if (rtw_regd_is_match(rtwdev, request->alpha2)) {
+ rtw_regd_apply_world_flags(wiphy, request->initiator);
return 0;
+ }
+ if (request->initiator == NL80211_REGDOM_SET_BY_DRIVER)
+ return -ENOTSUPP;
+ if (request->initiator == NL80211_REGDOM_SET_BY_USER &&
+ !IS_ENABLED(CONFIG_RTW88_REGD_USER_REG_HINTS))
+ return -EPERM;
+ if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ !rtw_regd_is_ww(&rtwdev->regd))
+ return -EINVAL;
+ if (request->initiator == NL80211_REGDOM_SET_BY_CORE &&
+ !rtwdev->efuse.country_worldwide) {
+ rtwdev->regd =
+ rtw_regd_find_reg_by_name(rtwdev->efuse.country_code);
+ return 0;
+ }
rtwdev->regd = rtw_regd_find_reg_by_name(request->alpha2);
rtw_regd_apply_world_flags(wiphy, request->initiator);
@@ -352,15 +392,22 @@ static int rtw_regd_notifier_apply(struct rtw_dev *rtwdev,
}
static int
-rtw_regd_init_wiphy(struct rtw_regulatory *reg, struct wiphy *wiphy,
+rtw_regd_init_wiphy(struct rtw_dev *rtwdev, struct wiphy *wiphy,
void (*reg_notifier)(struct wiphy *wiphy,
struct regulatory_request *request))
{
+ struct rtw_regulatory *reg = &rtwdev->regd;
+
wiphy->reg_notifier = reg_notifier;
- wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG;
- wiphy->regulatory_flags &= ~REGULATORY_STRICT_REG;
- wiphy->regulatory_flags &= ~REGULATORY_DISABLE_BEACON_HINTS;
+ if (rtw_regd_is_ww(reg)) {
+ rtwdev->efuse.country_worldwide = true;
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+ wiphy_apply_custom_regulatory(wiphy, &rtw88_world_regdom);
+ } else {
+ rtwdev->efuse.country_worldwide = false;
+ }
+ wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
rtw_regd_apply_hw_cap_flags(wiphy);
@@ -377,7 +424,7 @@ int rtw_regd_init(struct rtw_dev *rtwdev,
return -EINVAL;
rtwdev->regd = rtw_regd_find_reg_by_name(rtwdev->efuse.country_code);
- rtw_regd_init_wiphy(&rtwdev->regd, wiphy, reg_notifier);
+ rtw_regd_init_wiphy(rtwdev, wiphy, reg_notifier);
return 0;
}
@@ -387,12 +434,19 @@ void rtw_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request)
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rtw_dev *rtwdev = hw->priv;
struct rtw_hal *hal = &rtwdev->hal;
+ int ret;
- rtw_regd_notifier_apply(rtwdev, wiphy, request);
+ ret = rtw_regd_notifier_apply(rtwdev, wiphy, request);
+ if (ret) {
+ rtw_warn(rtwdev, "failed to apply regulatory from initiator %d: %d\n",
+ request->initiator, ret);
+ return;
+ }
rtw_dbg(rtwdev, RTW_DBG_REGD,
"get alpha2 %c%c from initiator %d, mapping to chplan 0x%x, txregd %d\n",
- request->alpha2[0], request->alpha2[1], request->initiator,
- rtwdev->regd.chplan, rtwdev->regd.txpwr_regd);
+ request->alpha2[0], request->alpha2[1],
+ request->initiator, rtwdev->regd.chplan,
+ rtwdev->regd.txpwr_regd);
rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
}
@@ -64,6 +64,8 @@ enum country_code_type {
COUNTRY_CODE_MAX
};
+#define RTW_ALPHA2_LEN 2
+
int rtw_regd_init(struct rtw_dev *rtwdev,
void (*reg_notifier)(struct wiphy *wiphy,
struct regulatory_request *request));