diff --git a/DnsResolver/DnsBpfHelper.h b/DnsResolver/DnsBpfHelper.h
new file mode 100644
index 0000000..fdf9b01
--- /dev/null
+++ b/DnsResolver/DnsBpfHelper.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android-base/result.h>
+
+#include "bpf/BpfMap.h"
+#include "netd.h"
+
+namespace android {
+namespace net {
+
+class DnsBpfHelper {
+ public:
+  DnsBpfHelper() = default;
+  DnsBpfHelper(const DnsBpfHelper&) = delete;
+  DnsBpfHelper& operator=(const DnsBpfHelper&) = delete;
+
+  base::Result<void> init();
+  base::Result<bool> isUidNetworkingBlocked(uid_t uid, bool metered);
+
+ private:
+  android::bpf::BpfMapRO<uint32_t, uint32_t> mConfigurationMap;
+  android::bpf::BpfMapRO<uint32_t, UidOwnerValue> mUidOwnerMap;
+};
+
+}  // namespace net
+}  // namespace android