1 /* $NetBSD: if_inarp.h,v 1.42 2009/02/18 13:17:50 yamt 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 }; 43 44 struct sockaddr_inarp { 45 u_int8_t sin_len; 46 u_int8_t sin_family; 47 u_int16_t sin_port; 48 struct in_addr sin_addr; 49 struct in_addr sin_srcaddr; 50 u_int16_t sin_tos; 51 u_int16_t sin_other; 52 #define SIN_PROXY 1 53 }; 54 55 /* 56 * IP and ethernet specific routing flags 57 */ 58 #define RTF_USETRAILERS RTF_PROTO1 /* use trailers */ 59 #define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */ 60 61 #ifdef _KERNEL 62 extern struct ifqueue arpintrq; 63 void arp_ifinit(struct ifnet *, struct ifaddr *); 64 void arp_rtrequest(int, struct rtentry *, const struct rt_addrinfo *); 65 int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *, 66 const struct sockaddr *, u_char *); 67 void arpintr(void); 68 void arprequest(struct ifnet *, const struct in_addr *, const struct in_addr *, 69 const u_int8_t *); 70 void arp_init(void); 71 void arp_drain(void); 72 int arpioctl(u_long, void *); 73 void arpwhohas(struct ifnet *, struct in_addr *); 74 75 void revarpinput(struct mbuf *); 76 void in_revarpinput(struct mbuf *); 77 void revarprequest(struct ifnet *); 78 int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *); 79 #endif 80 81 #endif /* !_NETINET_IF_INARP_H_ */ 82