diff --git a/framework/proto/netstats.proto b/framework/proto/netstats.proto
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+/*
+ * Copyright (C) 2017 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.
+ */
+
+syntax = "proto2";
+package android.service;
+
+option java_multiple_files = true;
+option java_outer_classname = "NetworkStatsServiceProto";
+
+// Represents dumpsys from NetworkStatsService (netstats).
+message NetworkStatsServiceDumpProto {
+  repeated NetworkInterfaceProto active_interfaces = 1;
+
+  repeated NetworkInterfaceProto active_uid_interfaces = 2;
+
+  // Device level network stats, which may include non-IP layer traffic.
+  optional NetworkStatsRecorderProto dev_stats = 3;
+
+  // IP-layer traffic stats.
+  optional NetworkStatsRecorderProto xt_stats = 4;
+
+  // Per-UID network stats.
+  optional NetworkStatsRecorderProto uid_stats = 5;
+
+  // Per-UID, per-tag network stats, excluding the default tag (i.e. tag=0).
+  optional NetworkStatsRecorderProto uid_tag_stats = 6;
+}
+
+// Corresponds to NetworkStatsService.mActiveIfaces/mActiveUidIfaces.
+message NetworkInterfaceProto {
+  // Name of the network interface (eg: wlan).
+  optional string interface = 1;
+
+  optional NetworkIdentitySetProto identities = 2;
+}
+
+// Corresponds to NetworkIdentitySet.
+message NetworkIdentitySetProto {
+  repeated NetworkIdentityProto identities = 1;
+}
+
+// Corresponds to NetworkIdentity.
+message NetworkIdentityProto {
+  // Constants from ConnectivityManager.TYPE_*.
+  optional int32 type = 1;
+
+  optional bool roaming = 4;
+
+  optional bool metered = 5;
+
+  optional bool default_network = 6;
+
+  optional int32 oem_managed_network = 7;
+}
+
+// Corresponds to NetworkStatsRecorder.
+message NetworkStatsRecorderProto {
+  optional int64 pending_total_bytes = 1;
+
+  optional NetworkStatsCollectionProto complete_history = 2;
+}
+
+// Corresponds to NetworkStatsCollection.
+message NetworkStatsCollectionProto {
+  repeated NetworkStatsCollectionStatsProto stats = 1;
+}
+
+// Corresponds to NetworkStatsCollection.mStats.
+message NetworkStatsCollectionStatsProto {
+  optional NetworkStatsCollectionKeyProto key = 1;
+
+  optional NetworkStatsHistoryProto history = 2;
+}
+
+// Corresponds to NetworkStatsCollection.Key.
+message NetworkStatsCollectionKeyProto {
+  optional NetworkIdentitySetProto identity = 1;
+
+  optional int32 uid = 2;
+
+  optional int32 set = 3;
+
+  optional int32 tag = 4;
+}
+
+// Corresponds to NetworkStatsHistory.
+message NetworkStatsHistoryProto {
+  // Duration for this bucket in milliseconds.
+  optional int64 bucket_duration_ms = 1;
+
+  repeated NetworkStatsHistoryBucketProto buckets = 2;
+}
+
+// Corresponds to each bucket in NetworkStatsHistory.
+message NetworkStatsHistoryBucketProto {
+  // Bucket start time in milliseconds since epoch.
+  optional int64 bucket_start_ms = 1;
+
+  optional int64 rx_bytes = 2;
+
+  optional int64 rx_packets = 3;
+
+  optional int64 tx_bytes = 4;
+
+  optional int64 tx_packets = 5;
+
+  optional int64 operations = 6;
+}
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