2 files changed, 32 insertions, 0 deletions
diff --git a/pkg/buffer/view.go b/pkg/buffer/view.go
index 7bcfcd543..a4610f977 100644
--- a/pkg/buffer/view.go
+++ b/pkg/buffer/view.go
@@ -378,6 +378,20 @@ func (v *View) Copy() (other View) {
 	return
 }
 
+// Clone makes a more shallow copy compared to Copy. The underlying payload
+// slice (buffer.data) is shared but the buffers themselves are copied.
+func (v *View) Clone() *View {
+	other := &View{
+		size: v.size,
+	}
+	for buf := v.data.Front(); buf != nil; buf = buf.Next() {
+		newBuf := other.pool.getNoInit()
+		*newBuf = *buf
+		other.data.PushBack(newBuf)
+	}
+	return other
+}
+
 // Apply applies the given function across all valid data.
 func (v *View) Apply(fn func([]byte)) {
 	for buf := v.data.Front(); buf != nil; buf = buf.Next() {
diff --git a/pkg/buffer/view_test.go b/pkg/buffer/view_test.go
index 796efa240..59784eacb 100644
--- a/pkg/buffer/view_test.go
+++ b/pkg/buffer/view_test.go
@@ -509,6 +509,24 @@ func TestView(t *testing.T) {
 	}
 }
 
+func TestViewClone(t *testing.T) {
+	const (
+		originalSize  = 90
+		bytesToDelete = 30
+	)
+	var v View
+	v.AppendOwned(bytes.Repeat([]byte{originalSize}, originalSize))
+
+	clonedV := v.Clone()
+	v.TrimFront(bytesToDelete)
+	if got, want := int(v.Size()), originalSize-bytesToDelete; got != want {
+		t.Errorf("original packet was not changed: size expected = %d, got = %d", want, got)
+	}
+	if got := clonedV.Size(); got != originalSize {
+		t.Errorf("cloned packet should not be modified: expected size = %d, got = %d", originalSize, got)
+	}
+}
+
 func TestViewPullUp(t *testing.T) {
 	for _, tc := range []struct {
 		desc   string