/*	$NetBSD: if.h,v 1.7 2022/09/28 15:32:09 msaitoh Exp $	*/

/*-
 * Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by William Studenmund and Jason R. Thorpe.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

/*
 * Copyright (c) 1982, 1986, 1989, 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.h	8.3 (Berkeley) 2/9/95
 */

#ifndef _COMPAT_NET_IF_H_
#define _COMPAT_NET_IF_H_

#include <net/route.h>
#include <compat/sys/time.h>

#define OIFNAMSIZ	16

struct oifreq {
	char	ifr_name[OIFNAMSIZ];		/* if name, e.g. "en0" */
	union {
		struct	sockaddr ifru_addr;
		struct	sockaddr ifru_dstaddr;
		struct	sockaddr ifru_broadaddr;
		short	ifru_flags;
		int	ifru_metric;
		int	ifru_mtu;
		int	ifru_dlt;
		u_int	ifru_value;
		void *	ifru_data;
		struct {
			uint32_t	b_buflen;
			void		*b_buf;
		} ifru_b;
	} ifr_ifru;
};
struct	oifconf {
	int	ifc_len;		/* size of associated buffer */
	union {
		void *	ifcu_buf;
		struct	oifreq *ifcu_req;
	} ifc_ifcu;
#define	ifc_buf	ifc_ifcu.ifcu_buf	/* buffer address */
#define	ifc_req	ifc_ifcu.ifcu_req	/* array of structures returned */
};

/* Pre-1.5 if_data struct */
struct if_data14 {
	/* generic interface information */
	u_char	ifi_type;		/* ethernet, tokenring, etc. */
	u_char	ifi_addrlen;		/* media address length */
	u_char	ifi_hdrlen;		/* media header length */
	u_long	ifi_mtu;		/* maximum transmission unit */
	u_long	ifi_metric;		/* routing metric (external only) */
	u_long	ifi_baudrate;		/* linespeed */
	/* volatile statistics */
	u_long	ifi_ipackets;		/* packets received on interface */
	u_long	ifi_ierrors;		/* input errors on interface */
	u_long	ifi_opackets;		/* packets sent on interface */
	u_long	ifi_oerrors;		/* output errors on interface */
	u_long	ifi_collisions;		/* collisions on csma interfaces */
	u_long	ifi_ibytes;		/* total number of octets received */
	u_long	ifi_obytes;		/* total number of octets sent */
	u_long	ifi_imcasts;		/* packets received via multicast */
	u_long	ifi_omcasts;		/* packets sent via multicast */
	u_long	ifi_iqdrops;		/* dropped on input, this interface */
	u_long	ifi_noproto;		/* destined for unsupported protocol */
	struct	timeval50 ifi_lastchange;/* last operational state change */
};

/* pre-1.5 if_msghdr (ifm_data changed) */
struct if_msghdr14 {
	u_short	ifm_msglen;	/* to skip over non-understood messages */
	u_char	ifm_version;	/* future binary compatibility */
	u_char	ifm_type;	/* message type */
	int	ifm_addrs;	/* like rtm_addrs */
	int	ifm_flags;	/* value of if_flags */
	u_short	ifm_index;	/* index for associated ifp */
	struct	if_data14 ifm_data; /* statistics and other data about if */
};

void compat_14_rt_oifmsg(struct ifnet *);
int compat_14_iflist(struct ifnet *, struct rt_walkarg *, struct rt_addrinfo *,
    size_t);

/*
 * Structure defining statistics and other data kept regarding a network
 * interface.
 */
struct if_data50 {
	/* generic interface information */
	u_char	ifi_type;		/* ethernet, tokenring, etc. */
	u_char	ifi_addrlen;		/* media address length */
	u_char	ifi_hdrlen;		/* media header length */
	int	ifi_link_state;		/* current link state */
	uint64_t ifi_mtu;		/* maximum transmission unit */
	uint64_t ifi_metric;		/* routing metric (external only) */
	uint64_t ifi_baudrate;		/* linespeed */
	/* volatile statistics */
	uint64_t ifi_ipackets;		/* packets received on interface */
	uint64_t ifi_ierrors;		/* input errors on interface */
	uint64_t ifi_opackets;		/* packets sent on interface */
	uint64_t ifi_oerrors;		/* output errors on interface */
	uint64_t ifi_collisions;	/* collisions on csma interfaces */
	uint64_t ifi_ibytes;		/* total number of octets received */
	uint64_t ifi_obytes;		/* total number of octets sent */
	uint64_t ifi_imcasts;		/* packets received via multicast */
	uint64_t ifi_omcasts;		/* packets sent via multicast */
	uint64_t ifi_iqdrops;		/* dropped on input, this interface */
	uint64_t ifi_noproto;		/* destined for unsupported protocol */
	struct	timeval50 ifi_lastchange;/* last operational state change */
};

/*
 * Structure defining statistics and other data kept regarding a network
 * interface.
 */
struct ifdatareq50 {
	char	ifdr_name[OIFNAMSIZ];		/* if name, e.g. "en0" */
	struct	if_data50 ifdr_data;
};

/*
 * Message format for use in obtaining information about interfaces
 * from sysctl and the routing socket.
 */
struct if_msghdr50 {
	u_short	ifm_msglen;	/* to skip over non-understood messages */
	u_char	ifm_version;	/* future binary compatibility */
	u_char	ifm_type;	/* message type */
	int	ifm_addrs;	/* like rtm_addrs */
	int	ifm_flags;	/* value of if_flags */
	u_short	ifm_index;	/* index for associated ifp */
	struct	if_data50 ifm_data;/* statistics and other data about if */
};

void compat_50_rt_oifmsg(struct ifnet *);
int compat_50_iflist(struct ifnet *, struct rt_walkarg *, struct rt_addrinfo *,
    size_t);

/*
 * Message format for use in obtaining information about interface addresses
 * from sysctl and the routing socket.
 */
struct ifa_msghdr50 {
	u_short	ifam_msglen;	/* to skip over non-understood messages */
	u_char	ifam_version;	/* future binary compatibility */
	u_char	ifam_type;	/* message type */
	int	ifam_addrs;	/* like rtm_addrs */
	int	ifam_flags;	/* value of ifa_flags */
	u_short	ifam_index;	/* index for associated ifp */
	int	ifam_metric;	/* value of ifa_metric */
};

/*
 * Message format announcing the arrival or departure of a network interface.
 */
struct if_announcemsghdr50 {
	u_short	ifan_msglen;	/* to skip over non-understood messages */
	u_char	ifan_version;	/* future binary compatibility */
	u_char	ifan_type;	/* message type */
	u_short	ifan_index;	/* index for associated ifp */
	char	ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	u_short	ifan_what;	/* what type of announcement */
};

#if !defined(_KERNEL) || !defined(COMPAT_RTSOCK)
#define	__align64	__aligned(sizeof(uint64_t))
#else
#define	__align64
#endif
/*
 * Message format for use in obtaining information about interface addresses
 * from sysctl and the routing socket.
 */
struct ifa_msghdr70 {
	u_short	ifam_msglen __align64;
				/* to skip over non-understood messages */
	u_char	ifam_version;	/* future binary compatibility */
	u_char	ifam_type;	/* message type */
	int	ifam_addrs;	/* like rtm_addrs */
	int	ifam_flags;	/* value of ifa_flags */
	int	ifam_metric;	/* value of ifa_metric */
	u_short	ifam_index;	/* index for associated ifp */
};
#undef __align64

int compat_70_iflist_addr(struct rt_walkarg *, struct ifaddr *,
    struct rt_addrinfo *);

#endif /* _COMPAT_NET_IF_H_ */