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From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: Ben Greear <greearb@candelatech.com>
Subject: [PATCH 6/6] wifi: mt76: mt7996: Allow ignoring radar events.
Date: Thu,  7 Mar 2024 11:29:51 -0800
Message-ID: <20240307192951.3271156-6-greearb@candelatech.com>
In-Reply-To: <20240307192951.3271156-1-greearb@candelatech.com>
References: <20240307192951.3271156-1-greearb@candelatech.com>
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From: Ben Greear <greearb@candelatech.com>

Useful for testing.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 .../net/wireless/mediatek/mt76/mt7996/debugfs.c    |  2 ++
 drivers/net/wireless/mediatek/mt76/mt7996/mcu.c    | 14 ++++++++------
 drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h |  1 +
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
index 9bd953586b04..39008274b493 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
@@ -806,6 +806,8 @@ int mt7996_init_debugfs(struct mt7996_phy *phy)
 	debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
 				    mt7996_twt_stats);
 	debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);
+	debugfs_create_u32("ignore_radar", 0600, dir,
+			   &dev->ignore_radar);
 
 	if (phy->mt76->cap.has_5ghz) {
 		debugfs_create_u32("dfs_hw_pattern", 0400, dir,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index 77c89d2d2423..c31fd2ea18ea 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -391,12 +391,14 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
 	if (!mphy)
 		return;
 
-	if (r->band_idx == MT_RX_SEL2)
-		cfg80211_background_radar_event(mphy->hw->wiphy,
-						&dev->rdd2_chandef,
-						GFP_ATOMIC);
-	else
-		ieee80211_radar_detected(mphy->hw);
+	if (!dev->ignore_radar) {
+		if (r->band_idx == MT_RX_SEL2)
+			cfg80211_background_radar_event(mphy->hw->wiphy,
+							&dev->rdd2_chandef,
+							GFP_ATOMIC);
+		else
+			ieee80211_radar_detected(mphy->hw);
+	}
 	dev->hw_pattern++;
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
index bc73bcb47bf0..8b5eb6e3807f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
@@ -286,6 +286,7 @@ struct mt7996_dev {
 	struct list_head twt_list;
 
 	u32 hw_pattern;
+	u32 ignore_radar; /* skip propagating up the stack, for debugging */
 
 	bool flash_mode:1;
 	bool has_eht:1;
-- 
2.42.0