LCOM1920-T02G10

/*        $NetBSD: if_inarp.h,v 1.47 2015/05/21 09:26:18 ozaki-r Exp $        */

/*

 * Copyright (c) 1982, 1986, 1993

 *        The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 *        @(#)if_ether.h        8.1 (Berkeley) 6/10/93

 */

#ifndef _NETINET_IF_INARP_H_

#define _NETINET_IF_INARP_H_

#include <sys/queue.h>                /* for LIST_ENTRY */

#include <netinet/in.h>                /* for struct in_addr */

struct llinfo_arp {

        LIST_ENTRY(llinfo_arp) la_list;

        struct        rtentry *la_rt;

        struct        mbuf *la_hold;                /* last packet until resolved/timeout */

        long        la_asked;                /* last time we QUERIED for this addr */

};

struct sockaddr_inarp {

        u_int8_t  sin_len;

        u_int8_t  sin_family;

        u_int16_t sin_port;

        struct          in_addr sin_addr;

        struct          in_addr sin_srcaddr;

        u_int16_t sin_tos;

        u_int16_t sin_other;

#define SIN_PROXY 1

};

#ifdef _KERNEL

/* ARP timings from RFC5227 */

#define PROBE_WAIT               1

#define PROBE_NUM                3

#define PROBE_MIN                1

#define PROBE_MAX                2

#define ANNOUNCE_WAIT            2

#define ANNOUNCE_NUM             2

#define ANNOUNCE_INTERVAL        2

#define MAX_CONFLICTS           10

#define RATE_LIMIT_INTERVAL     60

#define DEFEND_INTERVAL         10

#include <sys/malloc.h>

MALLOC_DECLARE(M_IPARP);

extern struct ifqueue arpintrq;

void arp_ifinit(struct ifnet *, struct ifaddr *);

void arp_rtrequest(int, struct rtentry *, const struct rt_addrinfo *);

int arpresolve(struct ifnet *, struct rtentry *, struct mbuf *,

                    const struct sockaddr *, u_char *);

void arpintr(void);

void arprequest(struct ifnet *, const struct in_addr *, const struct in_addr *,

    const u_int8_t *);

void arp_drain(void);

int arpioctl(u_long, void *);

void arpwhohas(struct ifnet *, struct in_addr *);

void revarpinput(struct mbuf *);

int revarpwhoarewe(struct ifnet *, struct in_addr *, struct in_addr *);

#endif

#endif /* !_NETINET_IF_INARP_H_ */