6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: StanleyYP Wang <StanleyYP.Wang@xxxxxxxxxxxx>
[ Upstream commit ec55d8e7dfea92daff87f5c01689633f8c4e6a62 ]
Check if background radar is enabled or not before manually triggering it,
and also add more checks in radar detected event.
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@xxxxxxxxxxxx>
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c | 5 +++++
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 5 ++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
index 4d40ec7ff57f5..630520c21a47f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
@@ -225,6 +225,11 @@ mt7996_radar_trigger(void *data, u64 val)
if (val > MT_RX_SEL2)
return -EINVAL;
+ if (val == MT_RX_SEL2 && !dev->rdd2_phy) {
+ dev_err(dev->mt76.dev, "Background radar is not enabled\n");
+ return -EINVAL;
+ }
+
return mt7996_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE,
val, 0, 0);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index b4ea7d0a7f5a0..b66f712e1b17b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -339,7 +339,10 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys))
return;
- if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2)
+ if (r->band_idx == MT_RX_SEL2 && !dev->rdd2_phy)
+ return;
+
+ if (r->band_idx == MT_RX_SEL2)
mphy = dev->rdd2_phy->mt76;
else
mphy = dev->mt76.phys[r->band_idx];
--
2.43.0
