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_ */ 81