mt76: mt7615: parse mcu return code for unified commands

Add return code parsing for the following unified commands:
- MCU_UNI_CMD_DEV_INFO_UPDATE
- MCU_UNI_CMD_BSS_INFO_UPDATE
- MCU_UNI_CMD_STA_REC_UPDATE
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -187,6 +187,16 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
 		skb_pull(skb, sizeof(*rxd));
 		ret = le32_to_cpu(*(__le32 *)skb->data);
 		break;
+	case MCU_UNI_CMD_DEV_INFO_UPDATE:
+	case MCU_UNI_CMD_BSS_INFO_UPDATE:
+	case MCU_UNI_CMD_STA_REC_UPDATE: {
+		struct mt7615_mcu_uni_event *event;
+
+		skb_pull(skb, sizeof(*rxd));
+		event = (struct mt7615_mcu_uni_event *)skb->data;
+		ret = le32_to_cpu(event->status);
+		break;
+	}
 	default:
 		break;
 	}

drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

@@ -282,6 +282,12 @@ enum {
 	MCU_UNI_CMD_STA_REC_UPDATE = MCU_UNI_PREFIX | 0x03,
 };
 
+struct mt7615_mcu_uni_event {
+	u8 cid;
+	u8 pad[3];
+	__le32 status; /* 0: success, others: fail */
+} __packed;
+
 struct mt7615_mcu_scan_ssid {
 	__le32 ssid_len;
 	u8 ssid[IEEE80211_MAX_SSID_LEN];