93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/* $NetBSD: if_inarp.h,v 1.53 2022/09/03 01:35:03 thorpej Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)if_ether.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NETINET_IF_INARP_H_
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#define _NETINET_IF_INARP_H_
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#include <sys/queue.h> /* for LIST_ENTRY */
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#include <netinet/in.h> /* for struct in_addr */
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struct llinfo_arp {
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LIST_ENTRY(llinfo_arp) la_list;
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struct rtentry *la_rt;
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struct mbuf *la_hold; /* last packet until resolved/timeout */
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long la_asked; /* last time we QUERIED for this addr */
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};
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struct sockaddr_inarp {
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u_int8_t sin_len;
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u_int8_t sin_family;
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u_int16_t sin_port;
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struct in_addr sin_addr;
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struct in_addr sin_srcaddr;
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u_int16_t sin_tos;
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u_int16_t sin_other;
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#define SIN_PROXY 1
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};
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#ifdef _KERNEL
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#include <net/pktqueue.h>
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/* ARP timings from RFC5227 */
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#define PROBE_WAIT 1
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#define PROBE_NUM 3
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#define PROBE_MIN 1
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#define PROBE_MAX 2
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#define ANNOUNCE_WAIT 2
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#define ANNOUNCE_NUM 2
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#define ANNOUNCE_INTERVAL 2
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#define MAX_CONFLICTS 10
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#define RATE_LIMIT_INTERVAL 60
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#define DEFEND_INTERVAL 10
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extern pktqueue_t *arp_pktq;
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void arp_ifinit(struct ifnet *, struct ifaddr *);
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void arp_rtrequest(int, struct rtentry *, const struct rt_addrinfo *);
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int arpresolve(struct ifnet *, const struct rtentry *, struct mbuf *,
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const struct sockaddr *, void *, size_t);
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void arpintr(void *);
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void arpannounce(struct ifnet *, struct ifaddr *, const uint8_t *);
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struct llentry *arplookup(struct ifnet *,
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const struct in_addr *, const struct sockaddr *, int);
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void arp_drain(void);
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int arpioctl(u_long, void *);
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void arpwhohas(struct ifnet *, struct in_addr *);
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void arp_nud_hint(struct rtentry *);
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void revarpinput(struct mbuf *);
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int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *);
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#endif
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#endif /* !_NETINET_IF_INARP_H_ */
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