diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/regd.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/regd.c | 472 |
1 files changed, 392 insertions, 80 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/regd.c b/drivers/net/wireless/realtek/rtw89/regd.c index d0857ef60ea6..80b2f74589eb 100644 --- a/drivers/net/wireless/realtek/rtw89/regd.c +++ b/drivers/net/wireless/realtek/rtw89/regd.c @@ -17,7 +17,7 @@ static const struct rtw89_regd rtw89_ww_regd = static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("AR", RTW89_MEXICO, RTW89_MEXICO, RTW89_FCC), - COUNTRY_REGD("BO", RTW89_FCC, RTW89_FCC, RTW89_FCC), + COUNTRY_REGD("BO", RTW89_FCC, RTW89_FCC, RTW89_NA), COUNTRY_REGD("BR", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("CL", RTW89_CHILE, RTW89_CHILE, RTW89_CHILE), COUNTRY_REGD("CO", RTW89_FCC, RTW89_FCC, RTW89_FCC), @@ -35,7 +35,7 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("UY", RTW89_FCC, RTW89_FCC, RTW89_NA), COUNTRY_REGD("VE", RTW89_FCC, RTW89_FCC, RTW89_NA), COUNTRY_REGD("PR", RTW89_FCC, RTW89_FCC, RTW89_NA), - COUNTRY_REGD("DO", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("DO", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("AT", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("BE", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("CY", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), @@ -72,7 +72,7 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("BA", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("BG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("HR", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("EG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("EG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("GH", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("IQ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("IL", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), @@ -82,13 +82,13 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("KW", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("KG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("LB", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("LS", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("LS", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("MK", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MA", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("MZ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("MZ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("NA", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("NG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("OM", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("NG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), + COUNTRY_REGD("OM", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("QA", RTW89_QATAR, RTW89_QATAR, RTW89_QATAR), COUNTRY_REGD("RO", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("RU", RTW89_ETSI, RTW89_ETSI, RTW89_NA), @@ -101,7 +101,7 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("UA", RTW89_UKRAINE, RTW89_UKRAINE, RTW89_UKRAINE), COUNTRY_REGD("AE", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("YE", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("ZW", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("ZW", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("BD", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("KH", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("CN", RTW89_CN, RTW89_CN, RTW89_CN), @@ -110,12 +110,12 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("ID", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("KR", RTW89_KCC, RTW89_KCC, RTW89_KCC), 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("PK", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), + COUNTRY_REGD("PH", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), 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_ETSI), - COUNTRY_REGD("TH", RTW89_ETSI, RTW89_ETSI, RTW89_THAILAND), + COUNTRY_REGD("TH", RTW89_THAILAND, RTW89_THAILAND, RTW89_THAILAND), COUNTRY_REGD("VN", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("AU", RTW89_ACMA, RTW89_ACMA, RTW89_ACMA), COUNTRY_REGD("NZ", RTW89_ACMA, RTW89_ACMA, RTW89_ACMA), @@ -158,9 +158,9 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("TD", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("CX", RTW89_ACMA, RTW89_ACMA, RTW89_NA), COUNTRY_REGD("CC", RTW89_ACMA, RTW89_ACMA, RTW89_NA), - COUNTRY_REGD("KM", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("CG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("CD", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("KM", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("CG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), + COUNTRY_REGD("CD", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("CK", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("CI", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("DJ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), @@ -176,12 +176,12 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("TF", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GA", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GM", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("GE", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("GI", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("GE", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), + COUNTRY_REGD("GI", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("GL", RTW89_ETSI, RTW89_ETSI, 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("GU", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("GG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("GN", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("GW", RTW89_ETSI, RTW89_ETSI, RTW89_NA), @@ -194,19 +194,19 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("KI", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("XK", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("LA", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("LR", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("LR", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("LY", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MO", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("MW", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MV", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("ML", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("MH", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("MH", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("MQ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MR", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("MU", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("YT", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("FM", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("FM", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("MD", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("MN", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("MS", RTW89_ETSI, RTW89_ETSI, RTW89_NA), @@ -216,15 +216,15 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("NE", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("NU", RTW89_ACMA, RTW89_ACMA, RTW89_NA), COUNTRY_REGD("NF", RTW89_ACMA, RTW89_ACMA, RTW89_NA), - COUNTRY_REGD("MP", RTW89_FCC, RTW89_FCC, RTW89_NA), - COUNTRY_REGD("PW", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("MP", RTW89_FCC, RTW89_FCC, RTW89_FCC), + COUNTRY_REGD("PW", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("RE", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("RW", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("SH", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("KN", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("LC", RTW89_FCC, RTW89_FCC, RTW89_FCC), - COUNTRY_REGD("MF", RTW89_FCC, RTW89_FCC, RTW89_NA), - COUNTRY_REGD("SX", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("MF", RTW89_FCC, RTW89_FCC, RTW89_FCC), + COUNTRY_REGD("SX", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("PM", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("VC", RTW89_FCC, RTW89_FCC, RTW89_NA), COUNTRY_REGD("WS", RTW89_FCC, RTW89_FCC, RTW89_NA), @@ -237,9 +237,9 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("GS", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("SR", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("SJ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("SZ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("SZ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("TJ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), - COUNTRY_REGD("TZ", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("TZ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("TG", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("TK", RTW89_ACMA, RTW89_ACMA, RTW89_NA), COUNTRY_REGD("TO", RTW89_ETSI, RTW89_ETSI, RTW89_NA), @@ -247,13 +247,16 @@ static const struct rtw89_regd rtw89_regd_map[] = { COUNTRY_REGD("TC", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("TV", RTW89_ETSI, RTW89_NA, RTW89_NA), COUNTRY_REGD("UG", RTW89_ETSI, RTW89_ETSI, RTW89_NA), - COUNTRY_REGD("VI", RTW89_FCC, RTW89_FCC, RTW89_NA), + COUNTRY_REGD("VI", RTW89_FCC, RTW89_FCC, RTW89_FCC), COUNTRY_REGD("UZ", RTW89_ETSI, RTW89_ETSI, RTW89_ETSI), COUNTRY_REGD("VU", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("WF", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("EH", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("ZM", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("CU", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("IR", RTW89_ETSI, RTW89_ETSI, RTW89_NA), + COUNTRY_REGD("SY", RTW89_ETSI, RTW89_NA, RTW89_NA), + COUNTRY_REGD("SD", RTW89_ETSI, RTW89_ETSI, RTW89_NA), COUNTRY_REGD("PS", RTW89_ETSI, RTW89_ETSI, RTW89_NA), }; @@ -341,51 +344,60 @@ do { \ static void rtw89_regd_setup_unii4(struct rtw89_dev *rtwdev, struct wiphy *wiphy) { + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; 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 = {}; + bool enable_by_fcc; + bool enable_by_ic; int ret; u8 val; + int i; - if (!chip->support_unii4) - goto bottom; + sband = wiphy->bands[NL80211_BAND_5GHZ]; + if (!sband) + return; - ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_59G_EN, &res); + if (!chip->support_unii4) { + sband->n_channels -= RTW89_5GHZ_UNII4_CHANNEL_NUM; + return; + } + + bitmap_fill(regulatory->block_unii4, RTW89_REGD_MAX_COUNTRY_NUM); + + ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_UNII4_SUP, &res); if (ret) { rtw89_debug(rtwdev, RTW89_DBG_REGD, "acpi: cannot eval unii 4: %d\n", ret); + enable_by_fcc = true; + enable_by_ic = false; goto bottom; } val = res.u.value; + enable_by_fcc = u8_get_bits(val, RTW89_ACPI_CONF_UNII4_FCC); + enable_by_ic = u8_get_bits(val, RTW89_ACPI_CONF_UNII4_IC); rtw89_debug(rtwdev, RTW89_DBG_REGD, - "acpi: eval if allow unii 4: %d\n", val); - - switch (val) { - case 0: - regd_allow_unii_4 = false; - break; - case 1: - regd_allow_unii_4 = true; - break; - default: - break; - } + "acpi: eval if allow unii-4: 0x%x\n", val); bottom: - rtw89_debug(rtwdev, RTW89_DBG_REGD, "regd: allow unii 4: %d\n", - regd_allow_unii_4); - - if (regd_allow_unii_4) - return; - - sband = wiphy->bands[NL80211_BAND_5GHZ]; - if (!sband) - return; + for (i = 0; i < ARRAY_SIZE(rtw89_regd_map); i++) { + const struct rtw89_regd *regd = &rtw89_regd_map[i]; - sband->n_channels -= 3; + switch (regd->txpwr_regd[RTW89_BAND_5G]) { + case RTW89_FCC: + if (enable_by_fcc) + clear_bit(i, regulatory->block_unii4); + break; + case RTW89_IC: + if (enable_by_ic) + clear_bit(i, regulatory->block_unii4); + break; + default: + break; + } + } } static void __rtw89_regd_setup_policy_6ghz(struct rtw89_dev *rtwdev, bool block, @@ -459,6 +471,51 @@ out: kfree(ptr); } +static void rtw89_regd_setup_policy_6ghz_sp(struct rtw89_dev *rtwdev) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_acpi_policy_6ghz_sp *ptr; + struct rtw89_acpi_dsm_result res = {}; + bool enable_by_us; + int ret; + int i; + + ret = rtw89_acpi_evaluate_dsm(rtwdev, RTW89_ACPI_DSM_FUNC_6GHZ_SP_SUP, &res); + if (ret) { + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "acpi: cannot eval policy 6ghz-sp: %d\n", ret); + return; + } + + ptr = res.u.policy_6ghz_sp; + + switch (ptr->override) { + default: + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "%s: unknown override case: %d\n", __func__, + ptr->override); + fallthrough; + case 0: + goto out; + case 1: + break; + } + + bitmap_fill(regulatory->block_6ghz_sp, RTW89_REGD_MAX_COUNTRY_NUM); + + enable_by_us = u8_get_bits(ptr->conf, RTW89_ACPI_CONF_6GHZ_SP_US); + + for (i = 0; i < ARRAY_SIZE(rtw89_regd_map); i++) { + const struct rtw89_regd *tmp = &rtw89_regd_map[i]; + + if (enable_by_us && memcmp(tmp->alpha2, "US", 2) == 0) + clear_bit(i, regulatory->block_6ghz_sp); + } + +out: + kfree(ptr); +} + static void rtw89_regd_setup_6ghz(struct rtw89_dev *rtwdev, struct wiphy *wiphy) { const struct rtw89_chip_info *chip = rtwdev->chip; @@ -501,6 +558,7 @@ bottom: if (regd_allow_6ghz) { rtw89_regd_setup_policy_6ghz(rtwdev); + rtw89_regd_setup_policy_6ghz_sp(rtwdev); return; } @@ -562,24 +620,73 @@ int rtw89_regd_init(struct rtw89_dev *rtwdev, return 0; } -static void rtw89_regd_apply_policy_6ghz(struct rtw89_dev *rtwdev, - struct wiphy *wiphy) +static void rtw89_regd_apply_policy_unii4(struct rtw89_dev *rtwdev, + struct wiphy *wiphy) { struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_chip_info *chip = rtwdev->chip; 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) + sband = wiphy->bands[NL80211_BAND_5GHZ]; + if (!sband) return; - if (!test_bit(index, regulatory->block_6ghz)) + if (!chip->support_unii4) + return; + + index = rtw89_regd_get_index(regd); + if (index != RTW89_REGD_MAX_COUNTRY_NUM && + !test_bit(index, regulatory->block_unii4)) return; + rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c unii-4 is blocked by policy\n", + regd->alpha2[0], regd->alpha2[1]); + + for (i = RTW89_5GHZ_UNII4_START_INDEX; i < sband->n_channels; i++) + sband->channels[i].flags |= IEEE80211_CHAN_DISABLED; +} + +static bool regd_is_6ghz_blocked(struct rtw89_dev *rtwdev) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_regd *regd = regulatory->regd; + u8 index; + + index = rtw89_regd_get_index(regd); + if (index != RTW89_REGD_MAX_COUNTRY_NUM && + !test_bit(index, regulatory->block_6ghz)) + return false; + rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c 6 GHz is blocked by policy\n", regd->alpha2[0], regd->alpha2[1]); + return true; +} + +static bool regd_is_6ghz_not_applicable(struct rtw89_dev *rtwdev) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_regd *regd = regulatory->regd; + + if (regd->txpwr_regd[RTW89_BAND_6G] != RTW89_NA) + return false; + + rtw89_debug(rtwdev, RTW89_DBG_REGD, "%c%c 6 GHz is N/A in regd map\n", + regd->alpha2[0], regd->alpha2[1]); + return true; +} + +static void rtw89_regd_apply_policy_6ghz(struct rtw89_dev *rtwdev, + struct wiphy *wiphy) +{ + struct ieee80211_supported_band *sband; + int i; + + if (!regd_is_6ghz_blocked(rtwdev) && + !regd_is_6ghz_not_applicable(rtwdev)) + return; sband = wiphy->bands[NL80211_BAND_6GHZ]; if (!sband) @@ -604,6 +711,7 @@ static void rtw89_regd_notifier_apply(struct rtw89_dev *rtwdev, else wiphy->regulatory_flags &= ~REGULATORY_COUNTRY_IE_IGNORE; + rtw89_regd_apply_policy_unii4(rtwdev, wiphy); rtw89_regd_apply_policy_6ghz(rtwdev, wiphy); } @@ -631,65 +739,269 @@ exit: mutex_unlock(&rtwdev->mutex); } -static void __rtw89_reg_6ghz_power_recalc(struct rtw89_dev *rtwdev) +/* Maximum Transmit Power field (@raw) can be EIRP or PSD. + * Both units are 0.5 dB-based. Return a constraint in dB. + */ +static s8 tpe_get_constraint(s8 raw) +{ + const u8 hw_deviation = 3; /* unit: 0.5 dB */ + const u8 antenna_gain = 10; /* unit: 0.5 dB */ + const u8 array_gain = 6; /* unit: 0.5 dB */ + const u8 offset = hw_deviation + antenna_gain + array_gain; + + return (raw - offset) / 2; +} + +static void tpe_intersect_constraint(struct rtw89_reg_6ghz_tpe *tpe, s8 cstr) +{ + if (tpe->valid) { + tpe->constraint = min(tpe->constraint, cstr); + return; + } + + tpe->constraint = cstr; + tpe->valid = true; +} + +static void tpe_deal_with_eirp(struct rtw89_reg_6ghz_tpe *tpe, + const struct ieee80211_parsed_tpe_eirp *eirp) +{ + unsigned int i; + s8 cstr; + + if (!eirp->valid) + return; + + for (i = 0; i < eirp->count; i++) { + cstr = tpe_get_constraint(eirp->power[i]); + tpe_intersect_constraint(tpe, cstr); + } +} + +static s8 tpe_convert_psd_to_eirp(s8 psd) +{ + static const unsigned int mlog20 = 1301; + + return psd + 10 * mlog20 / 1000; +} + +static void tpe_deal_with_psd(struct rtw89_reg_6ghz_tpe *tpe, + const struct ieee80211_parsed_tpe_psd *psd) +{ + unsigned int i; + s8 cstr_psd; + s8 cstr; + + if (!psd->valid) + return; + + for (i = 0; i < psd->count; i++) { + cstr_psd = tpe_get_constraint(psd->power[i]); + cstr = tpe_convert_psd_to_eirp(cstr_psd); + tpe_intersect_constraint(tpe, cstr); + } +} + +static void rtw89_calculate_tpe(struct rtw89_dev *rtwdev, + struct rtw89_reg_6ghz_tpe *result_tpe, + const struct ieee80211_parsed_tpe *parsed_tpe) +{ + static const u8 category = IEEE80211_TPE_CAT_6GHZ_DEFAULT; + + tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_local[category]); + tpe_deal_with_eirp(result_tpe, &parsed_tpe->max_reg_client[category]); + tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_local[category]); + tpe_deal_with_psd(result_tpe, &parsed_tpe->psd_reg_client[category]); +} + +static bool __rtw89_reg_6ghz_tpe_recalc(struct rtw89_dev *rtwdev) { struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + struct rtw89_reg_6ghz_tpe new = {}; + struct rtw89_vif_link *rtwvif_link; + struct rtw89_vif *rtwvif; + unsigned int link_id; + bool changed = false; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + const struct rtw89_reg_6ghz_tpe *tmp; + const struct rtw89_chan *chan; + + rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) { + chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + if (chan->band_type != RTW89_BAND_6G) + continue; + + tmp = &rtwvif_link->reg_6ghz_tpe; + if (!tmp->valid) + continue; + + tpe_intersect_constraint(&new, tmp->constraint); + } + } + + if (memcmp(®ulatory->reg_6ghz_tpe, &new, + sizeof(regulatory->reg_6ghz_tpe)) != 0) + changed = true; + + if (changed) { + if (new.valid) + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "recalc 6 GHz reg TPE to %d dBm\n", + new.constraint); + else + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "recalc 6 GHz reg TPE to none\n"); + + regulatory->reg_6ghz_tpe = new; + } + + return changed; +} + +static int rtw89_reg_6ghz_tpe_recalc(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, bool active, + unsigned int *changed) +{ + struct rtw89_reg_6ghz_tpe *tpe = &rtwvif_link->reg_6ghz_tpe; + struct ieee80211_bss_conf *bss_conf; + + memset(tpe, 0, sizeof(*tpe)); + + if (!active || rtwvif_link->reg_6ghz_power != RTW89_REG_6GHZ_POWER_STD) + goto bottom; + + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); + rtw89_calculate_tpe(rtwdev, tpe, &bss_conf->tpe); + + rcu_read_unlock(); + + if (!tpe->valid) + goto bottom; + + if (tpe->constraint < RTW89_MIN_VALID_POWER_CONSTRAINT) { + rtw89_err(rtwdev, + "%s: constraint %d dBm is less than min valid val\n", + __func__, tpe->constraint); + + tpe->valid = false; + return -EINVAL; + } + +bottom: + *changed += __rtw89_reg_6ghz_tpe_recalc(rtwdev); + return 0; +} + +static bool __rtw89_reg_6ghz_power_recalc(struct rtw89_dev *rtwdev) +{ + struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + const struct rtw89_regd *regd = regulatory->regd; enum rtw89_reg_6ghz_power sel; const struct rtw89_chan *chan; + struct rtw89_vif_link *rtwvif_link; struct rtw89_vif *rtwvif; + unsigned int link_id; int count = 0; + u8 index; rtw89_for_each_rtwvif(rtwdev, rtwvif) { - chan = rtw89_chan_get(rtwdev, rtwvif->sub_entity_idx); - if (chan->band_type != RTW89_BAND_6G) - continue; + rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) { + chan = rtw89_chan_get(rtwdev, rtwvif_link->chanctx_idx); + if (chan->band_type != RTW89_BAND_6G) + continue; - if (count != 0 && rtwvif->reg_6ghz_power == sel) - continue; + if (count != 0 && rtwvif_link->reg_6ghz_power == sel) + continue; - sel = rtwvif->reg_6ghz_power; - count++; + sel = rtwvif_link->reg_6ghz_power; + count++; + } } if (count != 1) sel = RTW89_REG_6GHZ_POWER_DFLT; + if (sel == RTW89_REG_6GHZ_POWER_STD) { + index = rtw89_regd_get_index(regd); + if (index == RTW89_REGD_MAX_COUNTRY_NUM || + test_bit(index, regulatory->block_6ghz_sp)) { + rtw89_debug(rtwdev, RTW89_DBG_REGD, + "%c%c 6 GHz SP is blocked by policy\n", + regd->alpha2[0], regd->alpha2[1]); + sel = RTW89_REG_6GHZ_POWER_DFLT; + } + } + if (regulatory->reg_6ghz_power == sel) - return; + return false; rtw89_debug(rtwdev, RTW89_DBG_REGD, "recalc 6 GHz reg power type to %d\n", sel); regulatory->reg_6ghz_power = sel; - - rtw89_core_set_chip_txpwr(rtwdev); + return true; } -void rtw89_reg_6ghz_power_recalc(struct rtw89_dev *rtwdev, - struct rtw89_vif *rtwvif, bool active) +static int rtw89_reg_6ghz_power_recalc(struct rtw89_dev *rtwdev, + struct rtw89_vif_link *rtwvif_link, bool active, + unsigned int *changed) { - struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); + struct ieee80211_bss_conf *bss_conf; - lockdep_assert_held(&rtwdev->mutex); + rcu_read_lock(); + + bss_conf = rtw89_vif_rcu_dereference_link(rtwvif_link, true); if (active) { - switch (vif->bss_conf.power_type) { + switch (bss_conf->power_type) { case IEEE80211_REG_VLP_AP: - rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_VLP; + rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_VLP; break; case IEEE80211_REG_LPI_AP: - rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_LPI; + rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_LPI; break; case IEEE80211_REG_SP_AP: - rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_STD; + rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_STD; break; default: - rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT; + rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT; break; } } else { - rtwvif->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT; + rtwvif_link->reg_6ghz_power = RTW89_REG_6GHZ_POWER_DFLT; } - __rtw89_reg_6ghz_power_recalc(rtwdev); + rcu_read_unlock(); + + *changed += __rtw89_reg_6ghz_power_recalc(rtwdev); + return 0; +} + +int rtw89_reg_6ghz_recalc(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rtwvif_link, + bool active) +{ + unsigned int changed = 0; + int ret; + + lockdep_assert_held(&rtwdev->mutex); + + /* The result of reg_6ghz_tpe may depend on reg_6ghz_power type, + * so must do reg_6ghz_tpe_recalc() after reg_6ghz_power_recalc(). + */ + + ret = rtw89_reg_6ghz_power_recalc(rtwdev, rtwvif_link, active, &changed); + if (ret) + return ret; + + ret = rtw89_reg_6ghz_tpe_recalc(rtwdev, rtwvif_link, active, &changed); + if (ret) + return ret; + + if (changed) + rtw89_core_set_chip_txpwr(rtwdev); + + return 0; } |