[][MAC80211][WiFi6][mt76][Add ZWDFS foolproof mechanism during radar trigger & detection]
[Description]
Add ZWDFS foolproof mechanism during radar trigger & detection
[Release-log]
N/A
Change-Id: I9a714567940e653ddc350315915da8b6687e6cd7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8754292
diff --git a/autobuild_mac80211_release/package/kernel/mt76/patches/1053-wifi-mt76-mt7915-add-foolproof-mechanism-for-ZWDFS-d.patch b/autobuild_mac80211_release/package/kernel/mt76/patches/1053-wifi-mt76-mt7915-add-foolproof-mechanism-for-ZWDFS-d.patch
new file mode 100644
index 0000000..22df6f6
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mt76/patches/1053-wifi-mt76-mt7915-add-foolproof-mechanism-for-ZWDFS-d.patch
@@ -0,0 +1,45 @@
+From ae8bfdffc29a4cf90823f9d302e0946925cb992e Mon Sep 17 00:00:00 2001
+From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
+Date: Wed, 6 Mar 2024 11:30:34 +0800
+Subject: [PATCH] wifi: mt76: mt7915: add foolproof mechanism for ZWDFS during
+ radar detected & triggered
+
+Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
+---
+ mt7915/debugfs.c | 5 +++++
+ mt7915/mcu.c | 3 +++
+ 2 files changed, 8 insertions(+)
+
+diff --git a/mt7915/debugfs.c b/mt7915/debugfs.c
+index 599a794..e43bcab 100644
+--- a/mt7915/debugfs.c
++++ b/mt7915/debugfs.c
+@@ -231,6 +231,11 @@ mt7915_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 mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE,
+ val, 0, 0);
+ }
+diff --git a/mt7915/mcu.c b/mt7915/mcu.c
+index d80a61a..495a007 100644
+--- a/mt7915/mcu.c
++++ b/mt7915/mcu.c
+@@ -302,6 +302,9 @@ mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
+ if (r->band_idx > MT_RX_SEL2)
+ return;
+
++ if (r->band_idx == MT_RX_SEL2 && !dev->rdd2_phy)
++ return;
++
+ if ((r->band_idx && !dev->phy.mt76->band_idx) &&
+ dev->mt76.phys[MT_BAND1])
+ mphy = dev->mt76.phys[MT_BAND1];
+--
+2.18.0
+