1 | //////////////////////////////////////////////////////////////////////////////// |
---|
2 | // Copyright (c) 2004 Xilinx, Inc. All rights reserved. |
---|
3 | // |
---|
4 | // Xilinx, Inc. |
---|
5 | // XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A |
---|
6 | // COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS |
---|
7 | // ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR |
---|
8 | // STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION |
---|
9 | // IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE |
---|
10 | // FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. |
---|
11 | // XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO |
---|
12 | // THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO |
---|
13 | // ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE |
---|
14 | // FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY |
---|
15 | // AND FITNESS FOR A PARTICULAR PURPOSE. |
---|
16 | // |
---|
17 | // File : arp.h |
---|
18 | // Date : 2002, March 20. |
---|
19 | // Author : Sathya Thammanur |
---|
20 | // Company: Xilinx |
---|
21 | // Group : Emerging Software Technologies |
---|
22 | // |
---|
23 | // Summary: |
---|
24 | // Header file for ARP |
---|
25 | // |
---|
26 | // $Id: arp.h,v 1.2.8.6 2005/11/15 23:41:10 salindac Exp $ |
---|
27 | // |
---|
28 | //////////////////////////////////////////////////////////////////////////////// |
---|
29 | |
---|
30 | //////////////////////////////////////////////////////////////////////////////// |
---|
31 | // see copyright.txt for Rice University/Mango Communications modifications |
---|
32 | //////////////////////////////////////////////////////////////////////////////// |
---|
33 | |
---|
34 | #ifndef _ARP_H |
---|
35 | #define _ARP_H |
---|
36 | |
---|
37 | #ifdef __cplusplus |
---|
38 | extern "C" { |
---|
39 | #endif |
---|
40 | |
---|
41 | #include <xilnet_eth.h> |
---|
42 | |
---|
43 | /* ARP hardware types */ |
---|
44 | |
---|
45 | #define ARP_HARD_TYPE_ETH 0x01 /* ethernet hardware address */ |
---|
46 | #define ARP_HARD_SIZE 0x06 /* ethernet address size */ |
---|
47 | #define ARP_PROTO_IP_SIZE 0x04 /* ip address size */ |
---|
48 | #define ARP_PAD_SIZE 18 /* no.of bytes to be padded in arp pkt */ |
---|
49 | |
---|
50 | |
---|
51 | /* ARP operation codes */ |
---|
52 | #define ARP_REQ 1 /* ARP request */ |
---|
53 | #define ARP_REPLY 2 /* ARP reply */ |
---|
54 | |
---|
55 | #define ARP_SIP_OFFSET 14 |
---|
56 | #define ARP_DIP_OFFSET 24 |
---|
57 | |
---|
58 | /* |
---|
59 | * This structure defines an ethernet arp header. |
---|
60 | */ |
---|
61 | |
---|
62 | struct xilnet_arp_hdr |
---|
63 | { |
---|
64 | unsigned short hard_type; /* type of hardware address */ |
---|
65 | unsigned short prot_type; /* type of protocol address */ |
---|
66 | unsigned char hard_size; /* hardware address size */ |
---|
67 | unsigned char prot_size; /* protocol address size */ |
---|
68 | unsigned short op; /* arp opcode */ |
---|
69 | }; |
---|
70 | |
---|
71 | struct xilnet_arp_pkt |
---|
72 | { |
---|
73 | struct xilnet_arp_hdr hdr; /* arp header */ |
---|
74 | unsigned char sender_hw[ETH_ADDR_LEN]; /* sender hardware address */ |
---|
75 | unsigned char sender_ip[4]; /* sender IP address */ |
---|
76 | unsigned char target_hw[ETH_ADDR_LEN]; /* target hardware address */ |
---|
77 | unsigned char target_ip[4]; /* target IP address */ |
---|
78 | unsigned char pad[18]; /* pad with 0 for min eth frame requirement */ |
---|
79 | }; |
---|
80 | |
---|
81 | #ifdef __cplusplus |
---|
82 | } |
---|
83 | #endif |
---|
84 | |
---|
85 | #endif /* _ARP_H */ |
---|