/* * 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. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. 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	8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/net/if.h,v 1.49.2.1 1999/08/29 16:28:15 peter Exp $ */#ifndef _NET_IF_H_#define	_NET_IF_H_ /* * <net/if.h> does not depend on <sys/time.h> on most other systems.  This * helps userland compatability.  (struct timeval ifi_lastchange) */#ifndef KERNEL#include <pcap-stdinc.h>#endif/* * Structure describing information about an interface * which may be of interest to management entities. */struct if_data {	/* generic interface information */	u_char	ifi_type;		/* ethernet, tokenring, etc */	u_char	ifi_physical;		/* e.g., AUI, Thinnet, 10base-T, etc */	u_char	ifi_addrlen;		/* media address length */	u_char	ifi_hdrlen;		/* media header length */	u_char	ifi_recvquota;		/* polling quota for receive intrs */	u_char	ifi_xmitquota;		/* polling quota for xmit intrs */	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 */	u_long	ifi_recvtiming;		/* usec spent receiving when timing */	u_long	ifi_xmittiming;		/* usec spent xmitting when timing */	struct	timeval ifi_lastchange;	/* time of last administrative change */};/* ws2tcpip.h has interface flags: IFF_* */#if 0#define	IFF_UP		0x1		/* interface is up */#define	IFF_BROADCAST	0x2		/* broadcast address valid */#define	IFF_DEBUG	0x4		/* turn on debugging */#define	IFF_LOOPBACK	0x8		/* is a loopback net */#define	IFF_POINTOPOINT	0x10		/* interface is point-to-point link *//*#define IFF_NOTRAILERS 0x20		 * obsolete: avoid use of trailers */#define	IFF_RUNNING	0x40		/* resources allocated */#define	IFF_NOARP	0x80		/* no address resolution protocol */#define	IFF_PROMISC	0x100		/* receive all packets */#define	IFF_ALLMULTI	0x200		/* receive all multicast packets */#define	IFF_OACTIVE	0x400		/* transmission in progress */#define	IFF_SIMPLEX	0x800		/* can't hear own transmissions */#define	IFF_LINK0	0x1000		/* per link layer defined bit */#define	IFF_LINK1	0x2000		/* per link layer defined bit */#define	IFF_LINK2	0x4000		/* per link layer defined bit */#define	IFF_ALTPHYS	IFF_LINK2	/* use alternate physical connection */#define	IFF_MULTICAST	0x8000		/* supports multicast */#endif /* 0 *//* flags set internally only: */#define	IFF_CANTCHANGE \	(IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\	    IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)#define	IFQ_MAXLEN	50#define	IFNET_SLOWHZ	1		/* granularity is 1 second *//* * Message format for use in obtaining information about interfaces * from getkerninfo and the routing socket */struct if_msghdr {	u_short	ifm_msglen;	/* to skip over non-understood messages */	u_char	ifm_version;	/* future binary compatability */	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_data ifm_data;/* statistics and other data about if */};/* * Message format for use in obtaining information about interface addresses * from getkerninfo and the routing socket */struct ifa_msghdr {	u_short	ifam_msglen;	/* to skip over non-understood messages */	u_char	ifam_version;	/* future binary compatability */	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 for use in obtaining information about multicast addresses * from the routing socket */struct ifma_msghdr {	u_short	ifmam_msglen;	/* to skip over non-understood messages */	u_char	ifmam_version;	/* future binary compatability */	u_char	ifmam_type;	/* message type */	int	ifmam_addrs;	/* like rtm_addrs */	int	ifmam_flags;	/* value of ifa_flags */	u_short	ifmam_index;	/* index for associated ifp */};/* * Interface request structure used for socket * ioctl's.  All interface ioctl's must have parameter * definitions which begin with ifr_name.  The * remainder may be interface specific. */struct	ifreq {#define	IFNAMSIZ	16	char	ifr_name[IFNAMSIZ];		/* 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_phys;		int	ifru_media;		caddr_t	ifru_data;	} ifr_ifru;#define	ifr_addr	ifr_ifru.ifru_addr	/* address */#define	ifr_dstaddr	ifr_ifru.ifru_dstaddr	/* other end of p-to-p link */#define	ifr_broadaddr	ifr_ifru.ifru_broadaddr	/* broadcast address */#define	ifr_flags	ifr_ifru.ifru_flags	/* flags */#define	ifr_metric	ifr_ifru.ifru_metric	/* metric */#define	ifr_mtu		ifr_ifru.ifru_mtu	/* mtu */#define ifr_phys	ifr_ifru.ifru_phys	/* physical wire */#define ifr_media	ifr_ifru.ifru_media	/* physical media */#define	ifr_data	ifr_ifru.ifru_data	/* for use by interface */};#define	_SIZEOF_ADDR_IFREQ(ifr) \	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \	 (sizeof(struct ifreq) - sizeof(struct sockaddr) + \	  (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))struct ifaliasreq {	char	ifra_name[IFNAMSIZ];		/* if name, e.g. "en0" */	struct	sockaddr ifra_addr;	struct	sockaddr ifra_broadaddr;	struct	sockaddr ifra_mask;};struct ifmediareq {	char	ifm_name[IFNAMSIZ];	/* if name, e.g. "en0" */	int	ifm_current;		/* current media options */	int	ifm_mask;		/* don't care mask */	int	ifm_status;		/* media status */	int	ifm_active;		/* active options */	int	ifm_count;		/* # entries in ifm_ulist array */	int	*ifm_ulist;		/* media words */};/* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs which * must know all networks accessible). */struct	ifconf {	int	ifc_len;		/* size of associated buffer */	union {		caddr_t	ifcu_buf;		struct	ifreq *ifcu_req;	} ifc_ifcu;#define	ifc_buf	ifc_ifcu.ifcu_buf	/* buffer address */#define	ifc_req	ifc_ifcu.ifcu_req	/* array of structures returned */};#ifdef KERNEL#ifdef MALLOC_DECLAREMALLOC_DECLARE(M_IFADDR);MALLOC_DECLARE(M_IFMADDR);#endif#endif/* XXX - this should go away soon */#ifdef KERNEL#include <net/if_var.h>#endif#endif /* !_NET_IF_H_ */