ethtool: clippy lints + license header

Reviewed By: boyuni

Differential Revision: D59021484

fbshipit-source-id: c2b7f090a186c229b98fe3e47fa4864e12e6f4ee

below/ethtool/src/errors.rs

@@ -1,3 +1,17 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
 use std::alloc;
 
 use nix::errno::Errno;

below/ethtool/src/ethtool_sys.rs

@@ -1,3 +1,17 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
 /* automatically generated by rust-bindgen 0.68.1 */
 #![allow(dead_code, unused_variables)]
 

below/ethtool/src/lib.rs

@@ -1,3 +1,18 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
+#![deny(clippy::all)]
 #![allow(non_upper_case_globals)]
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]
@@ -90,6 +105,12 @@ fn translate_stats(stats: Vec<(String, u64)>) -> Result<NicStats> {
 
 pub struct EthtoolReader;
 
+impl Default for EthtoolReader {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl EthtoolReader {
     pub fn new() -> Self {
         Self {}

below/ethtool/src/reader.rs

@@ -1,3 +1,17 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
 use std::alloc;
 use std::ffi::CStr;
 use std::mem;

below/ethtool/src/test.rs

@@ -1,3 +1,17 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
 use super::*;
 
 struct FakeEthtool;
@@ -72,7 +86,7 @@ fn test_read_stats() {
     assert_eq!(stats.tx_timeout, Some(10));
     assert!(!stats.raw_stats.is_empty());
 
-    let queue_stats = stats.queue.get(0);
+    let queue_stats = stats.queue.first();
     assert!(queue_stats.is_some());
 
     let qstats = queue_stats.unwrap();

below/ethtool/src/types.rs

@@ -1,3 +1,17 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// 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.
+
 use std::collections::BTreeMap;
 
 use serde::Deserialize;