diff --git a/wmi_unified_dfs_api.h b/wmi_unified_dfs_api.h
new file mode 100644
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+++ b/wmi_unified_dfs_api.h
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+/*
+ * Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/**
+ * DOC: This file contains the API definitions for the Unified Wireless Module
+ * Interface (WMI) which are specific to DFS module.
+ */
+
+#ifndef _WMI_UNIFIED_DFS_API_H_
+#define _WMI_UNIFIED_DFS_API_H_
+
+#include <wlan_dfs_utils_api.h>
+
+/**
+ * wmi_extract_dfs_cac_complete_event() - function to handle cac complete event
+ * @handle: wma handle
+ * @event_buf: event buffer
+ * @vdev_id: vdev id
+ * @len: length of buffer
+ *
+ * Return: 0 for success or error code
+ */
+QDF_STATUS wmi_extract_dfs_cac_complete_event(void *wmi_hdl,
+		uint8_t *evt_buf,
+		uint32_t *vdev_id,
+		uint32_t len);
+
+/**
+ * wmi_extract_dfs_radar_detection_event() - function to handle radar event
+ * @handle: wma handle
+ * @event_buf: event buffer
+ * @radar_found: radar found event info
+ * @vdev_id: vdev id
+ * @len: length of buffer
+ *
+ * Return: 0 for success or error code
+ */
+QDF_STATUS wmi_extract_dfs_radar_detection_event(void *wmi_hdl,
+		uint8_t *evt_buf,
+		struct radar_found_info *radar_found,
+		uint32_t len);
+
+#endif /* _WMI_UNIFIED_DFS_API_H_ */