ath: do not apply broken power limits with ATH_USER_REGD
If a device uses the default EEPROM code, typically only the main CTLs are valid, and they do not apply properly when switching to a different regulatory domain. If the regdomain deviates from the EEPROM one, force the world roaming regdomain to ensure that power limits are sane Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
parent
89118da865
commit
79a768a90f
3 changed files with 44 additions and 12 deletions
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@ -1,6 +1,14 @@
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--- a/drivers/net/wireless/ath/regd.c
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+++ b/drivers/net/wireless/ath/regd.c
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@@ -116,6 +116,9 @@ static const struct ieee80211_regdomain
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@@ -24,6 +24,7 @@
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#include "regd_common.h"
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static int __ath_regd_init(struct ath_regulatory *reg);
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+static struct reg_dmn_pair_mapping *ath_get_regpair(int regdmn);
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/*
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* This is a set of common rules used by our world regulatory domains.
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@@ -116,6 +117,9 @@ static const struct ieee80211_regdomain
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static bool dynamic_country_user_possible(struct ath_regulatory *reg)
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{
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@ -10,7 +18,7 @@
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if (IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
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return true;
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@@ -188,6 +191,8 @@ static bool dynamic_country_user_possibl
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@@ -188,6 +192,8 @@ static bool dynamic_country_user_possibl
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static bool ath_reg_dyn_country_user_allow(struct ath_regulatory *reg)
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{
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@ -19,7 +27,7 @@
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if (!IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_REG_HINTS))
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return false;
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if (!dynamic_country_user_possible(reg))
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@@ -341,6 +346,9 @@ ath_reg_apply_beaconing_flags(struct wip
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@@ -341,6 +347,9 @@ ath_reg_apply_beaconing_flags(struct wip
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struct ieee80211_channel *ch;
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unsigned int i;
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@ -29,7 +37,7 @@
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for (band = 0; band < NUM_NL80211_BANDS; band++) {
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if (!wiphy->bands[band])
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continue;
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@@ -374,6 +382,9 @@ ath_reg_apply_ir_flags(struct wiphy *wip
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@@ -374,6 +383,9 @@ ath_reg_apply_ir_flags(struct wiphy *wip
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{
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struct ieee80211_supported_band *sband;
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@ -39,7 +47,7 @@
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sband = wiphy->bands[NL80211_BAND_2GHZ];
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if (!sband)
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return;
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@@ -402,6 +413,9 @@ static void ath_reg_apply_radar_flags(st
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@@ -402,6 +414,9 @@ static void ath_reg_apply_radar_flags(st
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struct ieee80211_channel *ch;
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unsigned int i;
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@ -49,7 +57,19 @@
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if (!wiphy->bands[NL80211_BAND_5GHZ])
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return;
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@@ -634,6 +648,10 @@ ath_regd_init_wiphy(struct ath_regulator
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@@ -539,6 +554,11 @@ void ath_reg_notifier_apply(struct wiphy
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ath_reg_dyn_country(wiphy, reg, request);
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break;
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}
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+
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+ /* Prevent broken CTLs from being applied */
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+ if (IS_ENABLED(CPTCFG_ATH_USER_REGD) &&
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+ reg->regpair != common->reg_world_copy.regpair)
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+ reg->regpair = ath_get_regpair(WOR0_WORLD);
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}
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EXPORT_SYMBOL(ath_reg_notifier_apply);
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@@ -634,6 +654,10 @@ ath_regd_init_wiphy(struct ath_regulator
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const struct ieee80211_regdomain *regd;
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wiphy->reg_notifier = reg_notifier;
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@ -60,6 +80,18 @@
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wiphy->regulatory_flags |= REGULATORY_STRICT_REG |
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REGULATORY_CUSTOM_REG;
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@@ -762,10 +786,7 @@ ath_regd_init(struct ath_regulatory *reg
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if (r)
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return r;
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- if (ath_is_world_regd(reg))
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- memcpy(&common->reg_world_copy, reg,
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- sizeof(struct ath_regulatory));
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-
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+ memcpy(&common->reg_world_copy, reg, sizeof(struct ath_regulatory));
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ath_regd_init_wiphy(reg, wiphy, reg_notifier);
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return 0;
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--- a/drivers/net/wireless/ath/Kconfig
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+++ b/drivers/net/wireless/ath/Kconfig
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@@ -23,6 +23,9 @@ config WLAN_VENDOR_ATH
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@ -1,6 +1,6 @@
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--- a/drivers/net/wireless/ath/regd.c
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+++ b/drivers/net/wireless/ath/regd.c
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@@ -43,7 +43,8 @@ static int __ath_regd_init(struct ath_re
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@@ -44,7 +44,8 @@ static struct reg_dmn_pair_mapping *ath_
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NL80211_RRF_NO_OFDM)
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/* We allow IBSS on these on a case by case basis by regulatory domain */
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@ -10,7 +10,7 @@
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NL80211_RRF_NO_IR)
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#define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\
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NL80211_RRF_NO_IR)
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@@ -61,57 +62,56 @@ static int __ath_regd_init(struct ath_re
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@@ -62,57 +63,56 @@ static struct reg_dmn_pair_mapping *ath_
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#define ATH9K_5GHZ_NO_MIDBAND ATH9K_5GHZ_5150_5350, \
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ATH9K_5GHZ_5725_5850
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@ -1,6 +1,6 @@
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--- a/drivers/net/wireless/ath/regd.c
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+++ b/drivers/net/wireless/ath/regd.c
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@@ -114,6 +114,16 @@ static const struct ieee80211_regdomain
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@@ -115,6 +115,16 @@ static const struct ieee80211_regdomain
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)
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};
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@ -17,7 +17,7 @@
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static bool dynamic_country_user_possible(struct ath_regulatory *reg)
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{
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if (IS_ENABLED(CPTCFG_ATH_USER_REGD))
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@@ -122,6 +132,9 @@ static bool dynamic_country_user_possibl
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@@ -123,6 +133,9 @@ static bool dynamic_country_user_possibl
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if (IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
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return true;
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@ -27,7 +27,7 @@
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switch (reg->country_code) {
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case CTRY_UNITED_STATES:
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case CTRY_JAPAN1:
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@@ -207,11 +220,6 @@ static inline bool is_wwr_sku(u16 regd)
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@@ -208,11 +221,6 @@ static inline bool is_wwr_sku(u16 regd)
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(regd == WORLD));
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}
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@ -39,7 +39,7 @@
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bool ath_is_world_regd(struct ath_regulatory *reg)
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{
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return is_wwr_sku(ath_regd_get_eepromRD(reg));
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@@ -652,6 +660,9 @@ ath_regd_init_wiphy(struct ath_regulator
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@@ -658,6 +666,9 @@ ath_regd_init_wiphy(struct ath_regulator
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if (IS_ENABLED(CPTCFG_ATH_USER_REGD))
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return 0;
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