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-rw-r--r--pkg/tcpip/header/gre.go14
-rw-r--r--pkg/tcpip/link/tunnel/gre.go14
-rw-r--r--pkg/tcpip/transport/gre/forwarder.go2
-rw-r--r--pkg/tcpip/transport/gre/protocol.go2
4 files changed, 30 insertions, 2 deletions
diff --git a/pkg/tcpip/header/gre.go b/pkg/tcpip/header/gre.go
index 33d69c3bf..d4b1f200b 100644
--- a/pkg/tcpip/header/gre.go
+++ b/pkg/tcpip/header/gre.go
@@ -1,3 +1,17 @@
+// Copyright 2021 The gVisor Authors.
+//
+// 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.
+
package header
import (
diff --git a/pkg/tcpip/link/tunnel/gre.go b/pkg/tcpip/link/tunnel/gre.go
index 8f6f1649a..604a38e76 100644
--- a/pkg/tcpip/link/tunnel/gre.go
+++ b/pkg/tcpip/link/tunnel/gre.go
@@ -1,3 +1,17 @@
+// Copyright 2021 The gVisor Authors.
+//
+// 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.
+
package tunnel
import (
diff --git a/pkg/tcpip/transport/gre/forwarder.go b/pkg/tcpip/transport/gre/forwarder.go
index 807c4a785..83f63c844 100644
--- a/pkg/tcpip/transport/gre/forwarder.go
+++ b/pkg/tcpip/transport/gre/forwarder.go
@@ -1,4 +1,4 @@
-// Copyright 2019 The gVisor Authors.
+// Copyright 2021 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
diff --git a/pkg/tcpip/transport/gre/protocol.go b/pkg/tcpip/transport/gre/protocol.go
index 087f61091..9794be745 100644
--- a/pkg/tcpip/transport/gre/protocol.go
+++ b/pkg/tcpip/transport/gre/protocol.go
@@ -1,4 +1,4 @@
-// Copyright 2018 The gVisor Authors.
+// Copyright 2021 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.