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diff --git a/package/broadcom-wl/src/driver/proto/bcmarp.h b/package/broadcom-wl/src/driver/proto/bcmarp.h
new file mode 100644
index 000000000..f5058b6aa
--- /dev/null
+++ b/package/broadcom-wl/src/driver/proto/bcmarp.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2007, Broadcom Corporation
+ * All Rights Reserved.                
+ *                                     
+ * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;   
+ * the contents of this file may not be disclosed to third parties, copied
+ * or duplicated in any form, in whole or in part, without the prior      
+ * written permission of Broadcom Corporation.                            
+ *
+ * Fundamental constants relating to ARP Protocol
+ *
+ * $Id$
+ */
+
+#ifndef _bcmarp_h_
+#define _bcmarp_h_
+
+/* enable structure packing */
+#if defined(__GNUC__)
+#define	PACKED	__attribute__((packed))
+#else
+#pragma pack(1)
+#define	PACKED
+#endif
+
+#define ARP_OPC_OFFSET		6		/* option code offset */
+#define ARP_SRC_ETH_OFFSET	8		/* src h/w address offset */
+#define ARP_SRC_IP_OFFSET	14		/* src IP address offset */
+#define ARP_TGT_ETH_OFFSET	18		/* target h/w address offset */
+#define ARP_TGT_IP_OFFSET	24		/* target IP address offset */
+
+#define ARP_OPC_REQUEST		1		/* ARP request */
+#define ARP_OPC_REPLY		2		/* ARP reply */
+
+#define ARP_DATA_LEN		28		/* ARP data length */
+
+struct bcmarp {
+	uint16	htype;				/* Header type (1 = ethernet) */
+	uint16	ptype;				/* Protocol type (0x800 = IP) */
+	uint8	hlen;				/* Hardware address length (Eth = 6) */
+	uint8	plen;				/* Protocol address length (IP = 4) */
+	uint16	oper;				/* ARP_OPC_... */
+	uint8	src_eth[ETHER_ADDR_LEN];	/* Source hardware address */
+	uint8	src_ip[IPV4_ADDR_LEN];		/* Source protocol address (not aligned) */
+	uint8	dst_eth[ETHER_ADDR_LEN];	/* Destination hardware address */
+	uint8	dst_ip[IPV4_ADDR_LEN];		/* Destination protocol address */
+} PACKED;
+
+/* Ethernet header + Arp message */
+struct bcmetharp {
+	struct ether_header	eh;
+	struct bcmarp	arp;
+} PACKED;
+
+#undef PACKED
+#if !defined(__GNUC__)
+#pragma pack()
+#endif
+
+#endif	/* !defined(_bcmarp_h_) */