1 /* $NetBSD: if_inarp.h,v 1.35 2004/04/21 17:49:46 itojun Exp $ */
2
3 /*
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
32 */
33
34 #ifndef _NETINET_IF_INARP_H_
35 #define _NETINET_IF_INARP_H_
36
37 struct llinfo_arp {
38 LIST_ENTRY(llinfo_arp) la_list;
39 struct rtentry *la_rt;
40 struct mbuf *la_hold; /* last packet until resolved/timeout */
41 long la_asked; /* last time we QUERIED for this addr */
42 #define la_timer la_rt->rt_rmx.rmx_expire /* deletion time in seconds */
43 };
44
45 struct sockaddr_inarp {
46 u_int8_t sin_len;
47 u_int8_t sin_family;
48 u_int16_t sin_port;
49 struct in_addr sin_addr;
50 struct in_addr sin_srcaddr;
51 u_int16_t sin_tos;
52 u_int16_t sin_other;
53 #define SIN_PROXY 1
54 };
55
56 /*
57 * IP and ethernet specific routing flags
58 */
59 #define RTF_USETRAILERS RTF_PROTO1 /* use trailers */
60 #define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
61
62 #ifdef _KERNEL
63 extern struct ifqueue arpintrq;
64 void arp_ifinit(struct ifnet *, struct ifaddr *);
65 void arp_rtrequest(int, struct rtentry *, struct rt_addrinfo *);
66 int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *,
67 struct sockaddr *, u_char *);
68 void arpintr(void);
69 void arp_drain(void);
70
71 int arpioctl(u_long, caddr_t);
72 void arpwhohas(struct ifnet *, struct in_addr *);
73
74 void revarpinput(struct mbuf *);
75 void in_revarpinput(struct mbuf *);
76 void revarprequest(struct ifnet *);
77 int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *);
78 #endif
79
80 #endif /* _NETINET_IF_INARP_H_ */
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