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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 2017-03-22 20:24:32 +01:00 committed by Jo-Philipp Wich
parent 503e496366
commit a9728799bc
3 changed files with 44 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
package/kernel/mac80211/patches/402-ath_regd_optional.patch
View File

@ -1,6 +1,14 @@
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -116,6 +116,9 @@ static const struct ieee80211_regdomain
@@ -24,6 +24,7 @@
#include "regd_common.h"
static int __ath_regd_init(struct ath_regulatory *reg);
+static struct reg_dmn_pair_mapping *ath_get_regpair(int regdmn);
/*
* This is a set of common rules used by our world regulatory domains.
@@ -116,6 +117,9 @@ static const struct ieee80211_regdomain
static bool dynamic_country_user_possible(struct ath_regulatory *reg)
{
@ -10,7 +18,7 @@
if (IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
return true;
@@ -188,6 +191,8 @@ static bool dynamic_country_user_possibl
@@ -188,6 +192,8 @@ static bool dynamic_country_user_possibl
static bool ath_reg_dyn_country_user_allow(struct ath_regulatory *reg)
{
@ -19,7 +27,7 @@
if (!IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_REG_HINTS))
return false;
if (!dynamic_country_user_possible(reg))
@@ -341,6 +346,9 @@ ath_reg_apply_beaconing_flags(struct wip
@@ -341,6 +347,9 @@ ath_reg_apply_beaconing_flags(struct wip
struct ieee80211_channel *ch;
unsigned int i;
@ -29,7 +37,7 @@
for (band = 0; band < NUM_NL80211_BANDS; band++) {
if (!wiphy->bands[band])
continue;
@@ -374,6 +382,9 @@ ath_reg_apply_ir_flags(struct wiphy *wip
@@ -374,6 +383,9 @@ ath_reg_apply_ir_flags(struct wiphy *wip
{
struct ieee80211_supported_band *sband;
@ -39,7 +47,7 @@
sband = wiphy->bands[NL80211_BAND_2GHZ];
if (!sband)
return;
@@ -402,6 +413,9 @@ static void ath_reg_apply_radar_flags(st
@@ -402,6 +414,9 @@ static void ath_reg_apply_radar_flags(st
struct ieee80211_channel *ch;
unsigned int i;
@ -49,7 +57,19 @@
if (!wiphy->bands[NL80211_BAND_5GHZ])
return;
@@ -634,6 +648,10 @@ ath_regd_init_wiphy(struct ath_regulator
@@ -539,6 +554,11 @@ void ath_reg_notifier_apply(struct wiphy
ath_reg_dyn_country(wiphy, reg, request);
break;
}
+
+ /* Prevent broken CTLs from being applied */
+ if (IS_ENABLED(CPTCFG_ATH_USER_REGD) &&
+ reg->regpair != common->reg_world_copy.regpair)
+ reg->regpair = ath_get_regpair(WOR0_WORLD);
}
EXPORT_SYMBOL(ath_reg_notifier_apply);
@@ -634,6 +654,10 @@ ath_regd_init_wiphy(struct ath_regulator
const struct ieee80211_regdomain *regd;
wiphy->reg_notifier = reg_notifier;
@ -60,6 +80,18 @@
wiphy->regulatory_flags |= REGULATORY_STRICT_REG |
REGULATORY_CUSTOM_REG;
@@ -762,10 +786,7 @@ ath_regd_init(struct ath_regulatory *reg
if (r)
return r;
- if (ath_is_world_regd(reg))
- memcpy(&common->reg_world_copy, reg,
- sizeof(struct ath_regulatory));
-
+ memcpy(&common->reg_world_copy, reg, sizeof(struct ath_regulatory));
ath_regd_init_wiphy(reg, wiphy, reg_notifier);
return 0;
--- a/drivers/net/wireless/ath/Kconfig
+++ b/drivers/net/wireless/ath/Kconfig
@@ -23,6 +23,9 @@ config WLAN_VENDOR_ATH

4
package/kernel/mac80211/patches/403-world_regd_fixup.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -43,7 +43,8 @@ static int __ath_regd_init(struct ath_re
@@ -44,7 +44,8 @@ static struct reg_dmn_pair_mapping *ath_
NL80211_RRF_NO_OFDM)
/* We allow IBSS on these on a case by case basis by regulatory domain */
@ -10,7 +10,7 @@
NL80211_RRF_NO_IR)
#define ATH9K_5GHZ_5470_5850 REG_RULE(5470-10, 5850+10, 80, 0, 30,\
NL80211_RRF_NO_IR)
@@ -61,57 +62,56 @@ static int __ath_regd_init(struct ath_re
@@ -62,57 +63,56 @@ static struct reg_dmn_pair_mapping *ath_
#define ATH9K_5GHZ_NO_MIDBAND ATH9K_5GHZ_5150_5350, \
ATH9K_5GHZ_5725_5850

8
package/kernel/mac80211/patches/406-ath_relax_default_regd.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -114,6 +114,16 @@ static const struct ieee80211_regdomain
@@ -115,6 +115,16 @@ static const struct ieee80211_regdomain
)
};
@ -17,7 +17,7 @@
static bool dynamic_country_user_possible(struct ath_regulatory *reg)
{
if (IS_ENABLED(CPTCFG_ATH_USER_REGD))
@@ -122,6 +132,9 @@ static bool dynamic_country_user_possibl
@@ -123,6 +133,9 @@ static bool dynamic_country_user_possibl
if (IS_ENABLED(CPTCFG_ATH_REG_DYNAMIC_USER_CERT_TESTING))
return true;
@ -27,7 +27,7 @@
switch (reg->country_code) {
case CTRY_UNITED_STATES:
case CTRY_JAPAN1:
@@ -207,11 +220,6 @@ static inline bool is_wwr_sku(u16 regd)
@@ -208,11 +221,6 @@ static inline bool is_wwr_sku(u16 regd)
(regd == WORLD));
}
@ -39,7 +39,7 @@
bool ath_is_world_regd(struct ath_regulatory *reg)
{
return is_wwr_sku(ath_regd_get_eepromRD(reg));
@@ -652,6 +660,9 @@ ath_regd_init_wiphy(struct ath_regulator
@@ -658,6 +666,9 @@ ath_regd_init_wiphy(struct ath_regulator
if (IS_ENABLED(CPTCFG_ATH_USER_REGD))
return 0;