if_arp.h (7c478bd9) if_arp.h (69bb4bb4)
1/*
1/*
2 * Copyright 1997-2003 Sun Microsystems, Inc. All rights reserved.
2 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/*
7 * Copyright (c) 1986 Regents of the University of California.
8 * All rights reserved. The Berkeley software License Agreement
9 * specifies the terms and conditions for redistribution.
10 */
11
12#ifndef _NET_IF_ARP_H
13#define _NET_IF_ARP_H
14
15#pragma ident "%Z%%M% %I% %E% SMI"
16/* if_arp.h 1.5 88/08/19 SMI; from UCB 7.1 1/24/86 */
17
3 * Use is subject to license terms.
4 */
5
6/*
7 * Copyright (c) 1986 Regents of the University of California.
8 * All rights reserved. The Berkeley software License Agreement
9 * specifies the terms and conditions for redistribution.
10 */
11
12#ifndef _NET_IF_ARP_H
13#define _NET_IF_ARP_H
14
15#pragma ident "%Z%%M% %I% %E% SMI"
16/* if_arp.h 1.5 88/08/19 SMI; from UCB 7.1 1/24/86 */
17
18#include <sys/types.h>
19#include <sys/socket.h>
20
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22/*
23 * Address Resolution Protocol.
24 *
25 * See RFC 826 for protocol description. ARP packets are variable
26 * in size; the arphdr structure defines the fixed-length portion.
27 * Protocol type values are the same as those for 10 Mb/s Ethernet.
28 * It is followed by the variable-sized fields ar_sha, arp_spa,
29 * arp_tha and arp_tpa in that order, according to the lengths
30 * specified. Field names used correspond to RFC 826.
31 */
32struct arphdr {
33 ushort_t ar_hrd; /* format of hardware address */
34#define ARPHRD_ETHER 1 /* ethernet hardware address */
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25/*
26 * Address Resolution Protocol.
27 *
28 * See RFC 826 for protocol description. ARP packets are variable
29 * in size; the arphdr structure defines the fixed-length portion.
30 * Protocol type values are the same as those for 10 Mb/s Ethernet.
31 * It is followed by the variable-sized fields ar_sha, arp_spa,
32 * arp_tha and arp_tpa in that order, according to the lengths
33 * specified. Field names used correspond to RFC 826.
34 */
35struct arphdr {
36 ushort_t ar_hrd; /* format of hardware address */
37#define ARPHRD_ETHER 1 /* ethernet hardware address */
35#define ARPHRD_IB 32 /* IPoIB hardware address */
38#define ARPHRD_IEEE802 6 /* IEEE 802 hardware address */
39#define ARPHRD_IB 32 /* IPoIB hardware address */
36 ushort_t ar_pro; /* format of protocol address */
37 uchar_t ar_hln; /* length of hardware address */
38 uchar_t ar_pln; /* length of protocol address */
39 ushort_t ar_op; /* one of: */
40#define ARPOP_REQUEST 1 /* request to resolve address */
41#define ARPOP_REPLY 2 /* response to previous request */
42#define REVARP_REQUEST 3 /* Reverse ARP request */
43#define REVARP_REPLY 4 /* Reverse ARP reply */

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50#ifdef notdef
51 uchar_t ar_sha[]; /* sender hardware address */
52 uchar_t ar_spa[]; /* sender protocol address */
53 uchar_t ar_tha[]; /* target hardware address */
54 uchar_t ar_tpa[]; /* target protocol address */
55#endif /* notdef */
56};
57
40 ushort_t ar_pro; /* format of protocol address */
41 uchar_t ar_hln; /* length of hardware address */
42 uchar_t ar_pln; /* length of protocol address */
43 ushort_t ar_op; /* one of: */
44#define ARPOP_REQUEST 1 /* request to resolve address */
45#define ARPOP_REPLY 2 /* response to previous request */
46#define REVARP_REQUEST 3 /* Reverse ARP request */
47#define REVARP_REPLY 4 /* Reverse ARP reply */

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54#ifdef notdef
55 uchar_t ar_sha[]; /* sender hardware address */
56 uchar_t ar_spa[]; /* sender protocol address */
57 uchar_t ar_tha[]; /* target hardware address */
58 uchar_t ar_tpa[]; /* target protocol address */
59#endif /* notdef */
60};
61
62/* Maximum hardware and protocol address length */
63#define ARP_MAX_ADDR_LEN 255
64
58/*
59 * Extended ARP ioctl request
60 */
61struct xarpreq {
62 struct sockaddr_storage xarp_pa; /* protocol address */
63 struct sockaddr_dl xarp_ha; /* hardware address */
64 int xarp_flags; /* flags */
65};
66
67/*
68 * BSD ARP ioctl request
69 */
70struct arpreq {
71 struct sockaddr arp_pa; /* protocol address */
72 struct sockaddr arp_ha; /* hardware address */
73 int arp_flags; /* flags */
74};
65/*
66 * Extended ARP ioctl request
67 */
68struct xarpreq {
69 struct sockaddr_storage xarp_pa; /* protocol address */
70 struct sockaddr_dl xarp_ha; /* hardware address */
71 int xarp_flags; /* flags */
72};
73
74/*
75 * BSD ARP ioctl request
76 */
77struct arpreq {
78 struct sockaddr arp_pa; /* protocol address */
79 struct sockaddr arp_ha; /* hardware address */
80 int arp_flags; /* flags */
81};
75/* arp_flags and at_flags field values */
82/* arp_flags field values */
76#define ATF_INUSE 0x01 /* entry in use */
77#define ATF_COM 0x02 /* completed entry (enaddr valid) */
78#define ATF_PERM 0x04 /* permanent entry */
79#define ATF_PUBL 0x08 /* publish entry (respond for other host) */
80#define ATF_USETRAILERS 0x10 /* has requested trailers */
83#define ATF_INUSE 0x01 /* entry in use */
84#define ATF_COM 0x02 /* completed entry (enaddr valid) */
85#define ATF_PERM 0x04 /* permanent entry */
86#define ATF_PUBL 0x08 /* publish entry (respond for other host) */
87#define ATF_USETRAILERS 0x10 /* has requested trailers */
88#define ATF_AUTHORITY 0x20 /* hardware address is authoritative */
81
82/*
83 * This data structure is used by kernel protocol modules to register
84 * their interest in a particular packet type with the Ethernet drivers.
85 * For example, other kinds of ARP would use this, XNS, ApleTalk, etc.
86 */
87struct ether_family {
88 int ef_family; /* address family */

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90/*
91 * This data structure is used by kernel protocol modules to register
92 * their interest in a particular packet type with the Ethernet drivers.
93 * For example, other kinds of ARP would use this, XNS, ApleTalk, etc.
94 */
95struct ether_family {
96 int ef_family; /* address family */

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