From 32406ca459cdc4fc2d3c862bb16ac2a184003fb0 Mon Sep 17 00:00:00 2001
From: Ryder Lee <ryder.lee@mediatek.com>
Date: Tue, 18 Jan 2022 15:58:45 +0800
Subject: [PATCH] mt76: mt7915: check band idx for bcc event
Git-commit: 32406ca459cdc4fc2d3c862bb16ac2a184003fb0
Patch-mainline: v5.18-rc1
References: bsc#1209980

Add missing band idx check for DBDC cases.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 20 ++++++++++++++++---
 .../net/wireless/mediatek/mt76/mt7915/mcu.h   |  9 +++++++++
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 66153e22f1db..96f1fb0d0cee 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -415,6 +415,22 @@ mt7915_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
 	ieee80211_color_change_finish(vif);
 }
 
+static void
+mt7915_mcu_rx_bcc_notify(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+	struct mt76_phy *mphy = &dev->mt76.phy;
+	struct mt7915_mcu_bcc_notify *b;
+
+	b = (struct mt7915_mcu_bcc_notify *)skb->data;
+
+	if ((b->band_idx && !dev->phy.band_idx) && dev->mt76.phy2)
+		mphy = dev->mt76.phy2;
+
+	ieee80211_iterate_active_interfaces_atomic(mphy->hw,
+			IEEE80211_IFACE_ITER_RESUME_ALL,
+			mt7915_mcu_cca_finish, mphy->hw);
+}
+
 static void
 mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
 {
@@ -434,9 +450,7 @@ mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
 		mt7915_mcu_rx_log_message(dev, skb);
 		break;
 	case MCU_EXT_EVENT_BCC_NOTIFY:
-		ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
-				IEEE80211_IFACE_ITER_RESUME_ALL,
-				mt7915_mcu_cca_finish, dev);
+		mt7915_mcu_rx_bcc_notify(dev, skb);
 		break;
 	default:
 		break;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 9417f7bc807a..960072a44222 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -79,6 +79,15 @@ struct mt7915_mcu_csa_notify {
 	u8 rsv;
 } __packed;
 
+struct mt7915_mcu_bcc_notify {
+	struct mt7915_mcu_rxd rxd;
+
+	u8 band_idx;
+	u8 omac_idx;
+	u8 cca_count;
+	u8 rsv;
+} __packed;
+
 struct mt7915_mcu_rdd_report {
 	struct mt7915_mcu_rxd rxd;
 
-- 
2.35.3