On 1/12/22 6:13 AM, Lorenzo Bianconi wrote:
Notify userland the hw supports background radar/CAC detection.
So, what about someone like me using mtk7915 4x4 radio from asia-rf? It
has no extra RF chains afaik, and it is certainly broken when
trying to use DFS channels on my system.
Maybe you need a positive check instead of negative check before
enabling this feature?
Thanks,
Ben
Tested-by: Owen Peng <owen.peng@xxxxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7915/init.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 5c1643963506..91c7ce60f296 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -309,6 +309,7 @@ static void
mt7915_init_wiphy(struct ieee80211_hw *hw)
{
struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt76_dev *mdev = &phy->dev->mt76;
struct wiphy *wiphy = hw->wiphy;
struct mt7915_dev *dev = phy->dev;
@@ -337,6 +338,12 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
+ if (!mdev->dev->of_node ||
+ !of_property_read_bool(mdev->dev->of_node,
+ "mediatek,disable-radar-background"))
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_RADAR_BACKGROUND);
+
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc http://www.candelatech.com
