From 3f7d9370909a598cf83dfa07a1e87545a66e182f Mon Sep 17 00:00:00 2001
From: Kevin Krakauer <krakauer@google.com>
Date: Thu, 14 Nov 2019 10:14:07 -0800
Subject: Use PacketBuffers for outgoing packets.

PiperOrigin-RevId: 280455453
---
 pkg/tcpip/buffer/prependable.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'pkg/tcpip/buffer/prependable.go')

diff --git a/pkg/tcpip/buffer/prependable.go b/pkg/tcpip/buffer/prependable.go
index 48a2a2713..ba21f4eca 100644
--- a/pkg/tcpip/buffer/prependable.go
+++ b/pkg/tcpip/buffer/prependable.go
@@ -77,3 +77,9 @@ func (p *Prependable) Prepend(size int) []byte {
 	p.usedIdx -= size
 	return p.View()[:size:size]
 }
+
+// DeepCopy copies p and the bytes backing it.
+func (p Prependable) DeepCopy() Prependable {
+	p.buf = append(View(nil), p.buf...)
+	return p
+}
-- 
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