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diff --git a/contrib/syslinux-4.02/gpxe/src/net/rarp.c b/contrib/syslinux-4.02/gpxe/src/net/rarp.c
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+++ b/contrib/syslinux-4.02/gpxe/src/net/rarp.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <byteswap.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/iobuf.h>
+#include <gpxe/if_ether.h>
+#include <gpxe/rarp.h>
+
+/** @file
+ *
+ * Reverse Address Resolution Protocol
+ *
+ */
+
+/**
+ * Process incoming ARP packets
+ *
+ * @v iobuf I/O buffer
+ * @v netdev Network device
+ * @v ll_source Link-layer source address
+ * @ret rc Return status code
+ *
+ * This is a dummy method which simply discards RARP packets.
+ */
+static int rarp_rx ( struct io_buffer *iobuf,
+ struct net_device *netdev __unused,
+ const void *ll_source __unused ) {
+ free_iob ( iobuf );
+ return 0;
+}
+
+
+/**
+ * Transcribe RARP address
+ *
+ * @v net_addr RARP address
+ * @ret string "<RARP>"
+ *
+ * This operation is meaningless for the RARP protocol.
+ */
+static const char * rarp_ntoa ( const void *net_addr __unused ) {
+ return "<RARP>";
+}
+
+/** RARP protocol */
+struct net_protocol rarp_protocol __net_protocol = {
+ .name = "RARP",
+ .net_proto = htons ( ETH_P_RARP ),
+ .rx = rarp_rx,
+ .ntoa = rarp_ntoa,
+};