1 /* $NetBSD: if_inarp.h,v 1.32 2001/01/17 04:05:44 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 36 */ 37 38 #ifndef _NETINET_IF_INARP_H_ 39 #define _NETINET_IF_INARP_H_ 40 41 struct llinfo_arp { 42 LIST_ENTRY(llinfo_arp) la_list; 43 struct rtentry *la_rt; 44 struct mbuf *la_hold; /* last packet until resolved/timeout */ 45 long la_asked; /* last time we QUERIED for this addr */ 46 #define la_timer la_rt->rt_rmx.rmx_expire /* deletion time in seconds */ 47 }; 48 49 struct sockaddr_inarp { 50 u_int8_t sin_len; 51 u_int8_t sin_family; 52 u_int16_t sin_port; 53 struct in_addr sin_addr; 54 struct in_addr sin_srcaddr; 55 u_int16_t sin_tos; 56 u_int16_t sin_other; 57 #define SIN_PROXY 1 58 }; 59 60 /* 61 * IP and ethernet specific routing flags 62 */ 63 #define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ 64 #define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ 65 66 #ifdef _KERNEL 67 extern struct ifqueue arpintrq; 68 void arp_ifinit __P((struct ifnet *, struct ifaddr *)); 69 void arp_rtrequest __P((int, struct rtentry *, struct rt_addrinfo *)); 70 int arpresolve __P((struct ifnet *, struct rtentry *, struct mbuf *, 71 struct sockaddr *, u_char *)); 72 void arpintr __P((void)); 73 void arp_drain __P((void)); 74 75 int arpioctl __P((u_long, caddr_t)); 76 void arpwhohas __P((struct ifnet *, struct in_addr *)); 77 78 void revarpinput __P((struct mbuf *)); 79 void in_revarpinput __P((struct mbuf *)); 80 void revarprequest __P((struct ifnet *)); 81 int revarpwhoarewe __P((struct ifnet *, struct in_addr *, struct in_addr *)); 82 #endif 83 84 #endif /* _NETINET_IF_INARP_H_ */ 85