From 9256ed528305ab71f5acb8f1d79a2f74622f9d4c Mon Sep 17 00:00:00 2001
From: Googler <noreply@google.com>
Date: Tue, 6 Nov 2018 11:07:25 -0800
Subject: Internal change.

PiperOrigin-RevId: 220314735
Change-Id: Ic519567e43f6caf042b9f223e517da40640b7d38
---
 pkg/tcpip/header/ipv4.go | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'pkg/tcpip')

diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go
index 1b882d3d8..c3b8fb00e 100644
--- a/pkg/tcpip/header/ipv4.go
+++ b/pkg/tcpip/header/ipv4.go
@@ -211,6 +211,11 @@ func (b IPv4) SetFlagsFragmentOffset(flags uint8, offset uint16) {
 	binary.BigEndian.PutUint16(b[flagsFO:], v)
 }
 
+// SetID sets the identification field.
+func (b IPv4) SetID(v uint16) {
+	binary.BigEndian.PutUint16(b[id:], v)
+}
+
 // SetSourceAddress sets the "source address" field of the ipv4 header.
 func (b IPv4) SetSourceAddress(addr tcpip.Address) {
 	copy(b[srcAddr:srcAddr+IPv4AddressSize], addr)
-- 
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