diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/regd.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw89/regd.c | 175 |
1 files changed, 168 insertions, 7 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/regd.c b/drivers/net/wireless/realtek/rtw89/regd.c index ca99422e60..d0857ef60e 100644 --- a/drivers/net/wireless/realtek/rtw89/regd.c +++ b/drivers/net/wireless/realtek/rtw89/regd.c @@ -112,9 +112,9 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("MY", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("PK", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("PH", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("SG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("SG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("LK", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("TW", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("TW", RTW89_FCC, RTW89_FCC, RTW89_ETSI), COUNTRY_REGD("TH", RTW89_ETSI, RTW89_ETSI, RTW89_THAILAND), COUNTRY_REGD("VN", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("AU", RTW89_ACMA, RTW89_ACMA, RTW89_ACMA), @@ -179,7 +179,7 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("GE", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GI", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GL", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("GD", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("GD", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("GP", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GU", RTW89_FCC, RTW89_FCC, RTW89_NA), COUNTRY_REGD("GG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), @@ -257,7 +257,42 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("PS", RTW89_ETSI, RTW89_ETSI, RTW89_NA), }; -static const struct rtw89_regd *rtw89_regd_find_reg_by_name(char *alpha2) +static const char rtw89_alpha2_list_eu[][3] = { + "AT", + "BE", + "CY", + "CZ", + "DK", + "EE", + "FI", + "FR", + "DE", + "GR", + "HU", + "IS", + "IE", + "IT", + "LV", + "LI", + "LT", + "LU", + "MT", + "MC", + "NL", + "NO", + "PL", + "PT", + "SK", + "SI", + "ES", + "SE", + "CH", + "BG", + "HR", + "RO", +}; + +static const struct rtw89_regd *rtw89_regd_find_reg_by_name(const char *alpha2) { u32 i; @@ -274,6 +309,24 @@ static bool rtw89_regd_is_ww(const struct rtw89_regd *regd) return regd == &rtw89_ww_regd; } +static u8 rtw89_regd_get_index(const struct rtw89_regd *regd) +{ + BUILD_BUG_ON(ARRAY_SIZE(rtw89_regd_map) > RTW89_REGD_MAX_COUNTRY_NUM); + + if (rtw89_regd_is_ww(regd)) + return RTW89_REGD_MAX_COUNTRY_NUM; + + return regd - rtw89_regd_map; +} + +static u8 rtw89_regd_get_index_by_name(const char *alpha2) +{ + const struct rtw89_regd *regd; + + regd = rtw89_regd_find_reg_by_name(alpha2); + return rtw89_regd_get_index(regd); +} + #define rtw89_debug_regd(_dev, _regd, _desc, _argv...) \ do { \ typeof(_regd) __r = _regd; \ @@ -291,19 +344,22 @@ static void rtw89_regd_setup_unii4(struct rtw89_dev *rtwdev, const struct rtw89_chip_info *chip = rtwdev->chip; bool regd_allow_unii_4 = chip->support_unii4; struct ieee80211_supported_band *sband; + struct rtw89_acpi_dsm_result res = {}; int ret; u8 val; if (!chip->support_unii4) goto bottom; - ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_59G_EN, &val); + ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_59G_EN, &res); if (ret) { rtw89_debug(rtwdev, RTW89_DBG_REGD, "acpi: cannot eval unii 4: %d\n", ret); goto bottom; } + val = res.u.value; + rtw89_debug(rtwdev, RTW89_DBG_REGD, "acpi: eval if allow unii 4: %d\n", val); @@ -332,25 +388,99 @@ bottom: sband->n_channels -= 3; } +static void __rtw89_regd_setup_policy_6ghz(struct rtw89_dev *rtwdev, bool block, + const char *alpha2) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + u8 index; + + index = rtw89_regd_get_index_by_name(alpha2); + if (index == RTW89_REGD_MAX_COUNTRY_NUM) { + rtw89_debug(rtwdev, RTW89_DBG_REGD, "%s: unknown alpha2 %c%c\n", + __func__, alpha2[0], alpha2[1]); + return; + } + + if (block) + set_bit(index, regulatory->block_6ghz); + else + clear_bit(index, regulatory->block_6ghz); +} + +static void rtw89_regd_setup_policy_6ghz(struct rtw89_dev *rtwdev) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_acpi_country_code *country; + const struct rtw89_acpi_policy_6ghz *ptr; + struct rtw89_acpi_dsm_result res = {}; + bool to_block; + int i, j; + int ret; + + ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_6G_BP, &res); + if (ret) { + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "acpi: cannot eval policy 6ghz: %d\n", ret); + return; + } + + ptr = res.u.policy_6ghz; + + switch (ptr->policy_mode) { + case RTW89_ACPI_POLICY_BLOCK: + to_block = true; + break; + case RTW89_ACPI_POLICY_ALLOW: + to_block = false; + /* only below list is allowed; block all first */ + bitmap_fill(regulatory->block_6ghz, RTW89_REGD_MAX_COUNTRY_NUM); + break; + default: + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "%s: unknown policy mode: %d\n", __func__, + ptr->policy_mode); + goto out; + } + + for (i = 0; i < ptr->country_count; i++) { + country = &ptr->country_list[i]; + if (memcmp("EU", country->alpha2, 2) != 0) { + __rtw89_regd_setup_policy_6ghz(rtwdev, to_block, + country->alpha2); + continue; + } + + for (j = 0; j < ARRAY_SIZE(rtw89_alpha2_list_eu); j++) + __rtw89_regd_setup_policy_6ghz(rtwdev, to_block, + rtw89_alpha2_list_eu[j]); + } + +out: + kfree(ptr); +} + static void rtw89_regd_setup_6ghz(struct rtw89_dev *rtwdev, struct wiphy *wiphy) { const struct rtw89_chip_info *chip = rtwdev->chip; bool chip_support_6ghz = chip->support_bands & BIT(NL80211_BAND_6GHZ); bool regd_allow_6ghz = chip_support_6ghz; struct ieee80211_supported_band *sband; + struct rtw89_acpi_dsm_result res = {}; int ret; u8 val; if (!chip_support_6ghz) goto bottom; - ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_6G_DIS, &val); + ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_6G_DIS, &res); if (ret) { rtw89_debug(rtwdev, RTW89_DBG_REGD, "acpi: cannot eval 6ghz: %d\n", ret); goto bottom; } + val = res.u.value; + rtw89_debug(rtwdev, RTW89_DBG_REGD, "acpi: eval if disallow 6ghz: %d\n", val); @@ -369,8 +499,10 @@ bottom: rtw89_debug(rtwdev, RTW89_DBG_REGD, "regd: allow 6ghz: %d\n", regd_allow_6ghz); - if (regd_allow_6ghz) + if (regd_allow_6ghz) { + rtw89_regd_setup_policy_6ghz(rtwdev); return; + } sband = wiphy->bands[NL80211_BAND_6GHZ]; if (!sband) @@ -430,6 +562,33 @@ int rtw89_regd_init(struct rtw89_dev *rtwdev, return 0; } +static void rtw89_regd_apply_policy_6ghz(struct rtw89_dev *rtwdev, + struct wiphy *wiphy) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_regd *regd = regulatory->regd; + struct ieee80211_supported_band *sband; + u8 index; + int i; + + index = rtw89_regd_get_index(regd); + if (index == RTW89_REGD_MAX_COUNTRY_NUM) + return; + + if (!test_bit(index, regulatory->block_6ghz)) + return; + + rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c 6 GHz is blocked by policy\n", + regd->alpha2[0], regd->alpha2[1]); + + sband = wiphy->bands[NL80211_BAND_6GHZ]; + if (!sband) + return; + + for (i = 0; i < sband->n_channels; i++) + sband->channels[i].flags |= IEEE80211_CHAN_DISABLED; +} + static void rtw89_regd_notifier_apply(struct rtw89_dev *rtwdev, struct wiphy *wiphy, struct regulatory_request *request) @@ -444,6 +603,8 @@ static void rtw89_regd_notifier_apply(struct rtw89_dev *rtwdev, wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_IGNORE; else wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE; + + rtw89_regd_apply_policy_6ghz(rtwdev, wiphy); } void rtw89_regd_notifier(struct wiphy *wiphy, struct regulatory_request *request) |