1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)if_ether.h 8.3 (Berkeley) 5/2/95
| 1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)if_ether.h 8.3 (Berkeley) 5/2/95
|
35 */
36
37#ifndef _NETINET_IF_ETHER_H_
38#define _NETINET_IF_ETHER_H_
39
40#include <net/ethernet.h>
41#include <net/if_arp.h>
42
43/*
44 * Macro to map an IP multicast address to an Ethernet multicast address.
45 * The high-order 25 bits of the Ethernet address are statically assigned,
46 * and the low-order 23 bits are taken from the low end of the IP address.
47 */
48#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \
49 /* struct in_addr *ipaddr; */ \
50 /* u_char enaddr[ETHER_ADDR_LEN]; */ \
51{ \
52 (enaddr)[0] = 0x01; \
53 (enaddr)[1] = 0x00; \
54 (enaddr)[2] = 0x5e; \
55 (enaddr)[3] = ((u_char *)ipaddr)[1] & 0x7f; \
56 (enaddr)[4] = ((u_char *)ipaddr)[2]; \
57 (enaddr)[5] = ((u_char *)ipaddr)[3]; \
58}
59/*
60 * Macro to map an IP6 multicast address to an Ethernet multicast address.
61 * The high-order 16 bits of the Ethernet address are statically assigned,
62 * and the low-order 32 bits are taken from the low end of the IP6 address.
63 */
64#define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr) \
65/* struct in6_addr *ip6addr; */ \
66/* u_char enaddr[ETHER_ADDR_LEN]; */ \
67{ \
68 (enaddr)[0] = 0x33; \
69 (enaddr)[1] = 0x33; \
70 (enaddr)[2] = ((u_char *)ip6addr)[12]; \
71 (enaddr)[3] = ((u_char *)ip6addr)[13]; \
72 (enaddr)[4] = ((u_char *)ip6addr)[14]; \
73 (enaddr)[5] = ((u_char *)ip6addr)[15]; \
74}
75
76/*
77 * Ethernet Address Resolution Protocol.
78 *
79 * See RFC 826 for protocol description. Structure below is adapted
80 * to resolving internet addresses. Field names used correspond to
81 * RFC 826.
82 */
83struct ether_arp {
84 struct arphdr ea_hdr; /* fixed-size header */
85 u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
86 u_char arp_spa[4]; /* sender protocol address */
87 u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
88 u_char arp_tpa[4]; /* target protocol address */
89};
90#define arp_hrd ea_hdr.ar_hrd
91#define arp_pro ea_hdr.ar_pro
92#define arp_hln ea_hdr.ar_hln
93#define arp_pln ea_hdr.ar_pln
94#define arp_op ea_hdr.ar_op
95
96struct sockaddr_inarp {
97 u_char sin_len;
98 u_char sin_family;
99 u_short sin_port;
100 struct in_addr sin_addr;
101 struct in_addr sin_srcaddr;
102 u_short sin_tos;
103 u_short sin_other;
104#define SIN_PROXY 1
105};
106/*
107 * IP and ethernet specific routing flags
108 */
109#define RTF_USETRAILERS RTF_PROTO1 /* use trailers */
110#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
111
112#ifdef _KERNEL
113extern u_char ether_ipmulticast_min[ETHER_ADDR_LEN];
114extern u_char ether_ipmulticast_max[ETHER_ADDR_LEN];
| 35 */
36
37#ifndef _NETINET_IF_ETHER_H_
38#define _NETINET_IF_ETHER_H_
39
40#include <net/ethernet.h>
41#include <net/if_arp.h>
42
43/*
44 * Macro to map an IP multicast address to an Ethernet multicast address.
45 * The high-order 25 bits of the Ethernet address are statically assigned,
46 * and the low-order 23 bits are taken from the low end of the IP address.
47 */
48#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \
49 /* struct in_addr *ipaddr; */ \
50 /* u_char enaddr[ETHER_ADDR_LEN]; */ \
51{ \
52 (enaddr)[0] = 0x01; \
53 (enaddr)[1] = 0x00; \
54 (enaddr)[2] = 0x5e; \
55 (enaddr)[3] = ((u_char *)ipaddr)[1] & 0x7f; \
56 (enaddr)[4] = ((u_char *)ipaddr)[2]; \
57 (enaddr)[5] = ((u_char *)ipaddr)[3]; \
58}
59/*
60 * Macro to map an IP6 multicast address to an Ethernet multicast address.
61 * The high-order 16 bits of the Ethernet address are statically assigned,
62 * and the low-order 32 bits are taken from the low end of the IP6 address.
63 */
64#define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr) \
65/* struct in6_addr *ip6addr; */ \
66/* u_char enaddr[ETHER_ADDR_LEN]; */ \
67{ \
68 (enaddr)[0] = 0x33; \
69 (enaddr)[1] = 0x33; \
70 (enaddr)[2] = ((u_char *)ip6addr)[12]; \
71 (enaddr)[3] = ((u_char *)ip6addr)[13]; \
72 (enaddr)[4] = ((u_char *)ip6addr)[14]; \
73 (enaddr)[5] = ((u_char *)ip6addr)[15]; \
74}
75
76/*
77 * Ethernet Address Resolution Protocol.
78 *
79 * See RFC 826 for protocol description. Structure below is adapted
80 * to resolving internet addresses. Field names used correspond to
81 * RFC 826.
82 */
83struct ether_arp {
84 struct arphdr ea_hdr; /* fixed-size header */
85 u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
86 u_char arp_spa[4]; /* sender protocol address */
87 u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
88 u_char arp_tpa[4]; /* target protocol address */
89};
90#define arp_hrd ea_hdr.ar_hrd
91#define arp_pro ea_hdr.ar_pro
92#define arp_hln ea_hdr.ar_hln
93#define arp_pln ea_hdr.ar_pln
94#define arp_op ea_hdr.ar_op
95
96struct sockaddr_inarp {
97 u_char sin_len;
98 u_char sin_family;
99 u_short sin_port;
100 struct in_addr sin_addr;
101 struct in_addr sin_srcaddr;
102 u_short sin_tos;
103 u_short sin_other;
104#define SIN_PROXY 1
105};
106/*
107 * IP and ethernet specific routing flags
108 */
109#define RTF_USETRAILERS RTF_PROTO1 /* use trailers */
110#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
111
112#ifdef _KERNEL
113extern u_char ether_ipmulticast_min[ETHER_ADDR_LEN];
114extern u_char ether_ipmulticast_max[ETHER_ADDR_LEN];
|
116
117int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *,
118 struct sockaddr *, u_char *, struct rtentry *);
119void arp_ifinit(struct ifnet *, struct ifaddr *);
120#endif
121
122#endif
| 115
116int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *,
117 struct sockaddr *, u_char *, struct rtentry *);
118void arp_ifinit(struct ifnet *, struct ifaddr *);
119#endif
120
121#endif
|