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Diffstat (limited to 'net')
-rw-r--r--net/wireless/reg.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index cad4daadba0d..89e0d8b3cf1e 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -867,6 +867,22 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
power_rule = &reg_rule->power_rule;
+ if (last_request->initiator == REGDOM_SET_BY_DRIVER &&
+ last_request->wiphy && last_request->wiphy == wiphy &&
+ last_request->wiphy->strict_regulatory) {
+ /* This gaurantees the driver's requested regulatory domain
+ * will always be used as a base for further regulatory
+ * settings */
+ chan->flags = chan->orig_flags =
+ map_regdom_flags(reg_rule->flags);
+ chan->max_antenna_gain = chan->orig_mag =
+ (int) MBI_TO_DBI(power_rule->max_antenna_gain);
+ chan->max_bandwidth = KHZ_TO_MHZ(max_bandwidth);
+ chan->max_power = chan->orig_mpwr =
+ (int) MBM_TO_DBM(power_rule->max_eirp);
+ return;
+ }
+
chan->flags = flags | map_regdom_flags(reg_rule->flags);
chan->max_antenna_gain = min(chan->orig_mag,
(int) MBI_TO_DBI(power_rule->max_antenna_gain));
@@ -897,6 +913,11 @@ static bool ignore_reg_update(struct wiphy *wiphy, enum reg_set_by setby)
if (setby == REGDOM_SET_BY_CORE &&
wiphy->custom_regulatory)
return true;
+ /* wiphy->regd will be set once the device has its own
+ * desired regulatory domain set */
+ if (wiphy->strict_regulatory && !wiphy->regd &&
+ !is_world_regdom(last_request->alpha2))
+ return true;
return false;
}
@@ -1155,10 +1176,15 @@ new_request:
void regulatory_hint(struct wiphy *wiphy, const char *alpha2)
{
+ int r;
BUG_ON(!alpha2);
mutex_lock(&cfg80211_drv_mutex);
- __regulatory_hint(wiphy, REGDOM_SET_BY_DRIVER, alpha2, 0, ENVIRON_ANY);
+ r = __regulatory_hint(wiphy, REGDOM_SET_BY_DRIVER,
+ alpha2, 0, ENVIRON_ANY);
+ /* This is required so that the orig_* parameters are saved */
+ if (r == -EALREADY && wiphy->strict_regulatory)
+ wiphy_update_regulatory(wiphy, REGDOM_SET_BY_DRIVER);
mutex_unlock(&cfg80211_drv_mutex);
}
EXPORT_SYMBOL(regulatory_hint);