(6/6) bcm57xx: package

[openwrt/openwrt.git] / package / broadcom-57xx / src / proto / bcmarp.h

diff --git a/package/broadcom-57xx/src/proto/bcmarp.h b/package/broadcom-57xx/src/proto/bcmarp.h
new file mode 100644 (file)
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+++ b/package/broadcom-57xx/src/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+ * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;   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: bcmarp.h,v 1.1.1.1 2007/05/31 08:00:41 michael Exp $
+ */
+
+#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_) */