1 files changed, 23 insertions, 5 deletions
diff --git a/pkg/tcpip/buffer/view.go b/pkg/tcpip/buffer/view.go
index 9a3c5d6c3..8db70a700 100644
--- a/pkg/tcpip/buffer/view.go
+++ b/pkg/tcpip/buffer/view.go
@@ -65,6 +65,16 @@ func (v View) ToVectorisedView() VectorisedView {
 	return NewVectorisedView(len(v), []View{v})
 }
 
+// IsEmpty returns whether v is of length zero.
+func (v View) IsEmpty() bool {
+	return len(v) == 0
+}
+
+// Size returns the length of v.
+func (v View) Size() int {
+	return len(v)
+}
+
 // VectorisedView is a vectorised version of View using non contiguous memory.
 // It supports all the convenience methods supported by View.
 //
@@ -74,8 +84,8 @@ type VectorisedView struct {
 	size  int
 }
 
-// NewVectorisedView creates a new vectorised view from an already-allocated slice
-// of View and sets its size.
+// NewVectorisedView creates a new vectorised view from an already-allocated
+// slice of View and sets its size.
 func NewVectorisedView(size int, views []View) VectorisedView {
 	return VectorisedView{views: views, size: size}
 }
@@ -160,8 +170,9 @@ func (vv *VectorisedView) CapLength(length int) {
 }
 
 // Clone returns a clone of this VectorisedView.
-// If the buffer argument is large enough to contain all the Views of this VectorisedView,
-// the method will avoid allocations and use the buffer to store the Views of the clone.
+// If the buffer argument is large enough to contain all the Views of this
+// VectorisedView, the method will avoid allocations and use the buffer to
+// store the Views of the clone.
 func (vv *VectorisedView) Clone(buffer []View) VectorisedView {
 	return VectorisedView{views: append(buffer[:0], vv.views...), size: vv.size}
 }
@@ -199,7 +210,8 @@ func (vv *VectorisedView) PullUp(count int) (View, bool) {
 	return newFirst, true
 }
 
-// Size returns the size in bytes of the entire content stored in the vectorised view.
+// Size returns the size in bytes of the entire content stored in the
+// vectorised view.
 func (vv *VectorisedView) Size() int {
 	return vv.size
 }
@@ -212,6 +224,12 @@ func (vv *VectorisedView) ToView() View {
 	if len(vv.views) == 1 {
 		return vv.views[0]
 	}
+	return vv.ToOwnedView()
+}
+
+// ToOwnedView returns a single view containing the content of the vectorised
+// view that vv does not own.
+func (vv *VectorisedView) ToOwnedView() View {
 	u := make([]byte, 0, vv.size)
 	for _, v := range vv.views {
 		u = append(u, v...)