[apple/xnu.git] / bsd / net / if.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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 1.58.2.2 2001/07/24 19:10:18 brooks Exp $
 */

#ifndef _NET_IF_H_
#define	_NET_IF_H_
#include <sys/appleapiopts.h>

#ifdef __APPLE__
/*
 * Define Data-Link event subclass, and associated
 * events.
 */

#define KEV_DL_SUBCLASS 2

#define KEV_DL_SIFFLAGS	    1
#define KEV_DL_SIFMETRICS   2
#define KEV_DL_SIFMTU	    3
#define KEV_DL_SIFPHYS	    4
#define KEV_DL_SIFMEDIA	    5
#define KEV_DL_SIFGENERIC   6
#define KEV_DL_ADDMULTI	    7
#define KEV_DL_DELMULTI	    8
#define KEV_DL_IF_ATTACHED  9
#define KEV_DL_IF_DETACHING 10
#define KEV_DL_IF_DETACHED  11
#define KEV_DL_LINK_OFF	    12
#define KEV_DL_LINK_ON	    13
#define KEV_DL_PROTO_ATTACHED	14
#define KEV_DL_PROTO_DETACHED	15
#endif

/*
 * <net/if.h> does not depend on <sys/time.h> on most other systems.  This
 * helps userland compatability.  (struct timeval ifi_lastchange)
 */
#include <sys/time.h>

#ifdef __APPLE__
#include <net/if_var.h>
#endif


#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 */

#if KERNEL_PRIVATE
/* extended flags definitions:  (all bits are reserved for internal/future use) */
#define IFEF_AUTOCONFIGURING	0x1
#define IFEF_DVR_REENTRY_OK	0x20	/* When set, driver may be reentered from its own thread */
#define IFEF_INUSE	0x40000000 /* DLIL ifnet recycler, ifnet in use */
#define IFEF_REUSE	0x20000000 /* DLIL ifnet recycler, ifnet is not new */
#endif KERNEL_PRIVATE


/* 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.
 */
#define	IF_NAMESIZE	IFNAMSIZ
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 */
#ifdef __APPLE__
#define	ifr_flags	ifr_ifru.ifru_flags	/* flags */
#else
#define	ifr_flags	ifr_ifru.ifru_flags[0]	/* flags */
#define	ifr_prevflags	ifr_ifru.ifru_flags[1]	/* flags */
#endif /* __APPLE__ */
#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 rslvmulti_req {
     struct sockaddr *sa;
     struct sockaddr **llsa;
};

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 to retrieve aux status data from interfaces.
 * Kernel suppliers to this interface should respect the formatting
 * needed by ifconfig(8): each line starts with a TAB and ends with
 * a newline.  The canonical example to copy and paste is in if_tun.c.
 */

#define	IFSTATMAX	800		/* 10 lines of text */
struct ifstat {
	char	ifs_name[IFNAMSIZ];	/* if name, e.g. "en0" */
	char	ascii[IFSTATMAX + 1];
};

/*
 * 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 __APPLE__
#ifdef __APPLE_API_UNSTABLE
/*
 * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 */
struct kev_dl_proto_data {
     struct net_event_data   	link_data;
     u_long			proto_family;
     u_long			proto_remaining_count;
};
#endif /* __APPLE_API_UNSTABLE */
#endif


/*
 * Structure for SIOC[AGD]LIFADDR
 */
struct if_laddrreq {
	char	iflr_name[IFNAMSIZ];
	u_int	flags;
#define	IFLR_PREFIX	0x8000  /* in: prefix given  out: kernel fills id */
	u_int	prefixlen;         /* in/out */
	struct	sockaddr_storage addr;   /* in/out */
	struct	sockaddr_storage dstaddr; /* out */
};

#ifdef KERNEL
#ifdef MALLOC_DECLARE
MALLOC_DECLARE(M_IFADDR);
MALLOC_DECLARE(M_IFMADDR);
#endif
#endif

#ifndef KERNEL
struct if_nameindex {
	u_int	if_index;	/* 1, 2, ... */
	char	*if_name;	/* null terminated name: "le0", ... */
};

__BEGIN_DECLS
u_int	 if_nametoindex __P((const char *));
char	*if_indextoname __P((u_int, char *));
struct	 if_nameindex *if_nameindex __P((void));
void	 if_freenameindex __P((struct if_nameindex *));
__END_DECLS
#endif

#ifdef KERNEL
#ifndef __APPLE__
struct proc;

int	prison_if __P((struct proc *p, struct sockaddr *sa));
#endif

#endif

#endif /* !_NET_IF_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright (c) 1982, 1986, 1989, 1993
	24	* The Regents of the University of California. All rights reserved.
	25	*
	26	* Redistribution and use in source and binary forms, with or without
	27	* modification, are permitted provided that the following conditions
	28	* are met:
	29	* 1. Redistributions of source code must retain the above copyright
	30	* notice, this list of conditions and the following disclaimer.
	31	* 2. Redistributions in binary form must reproduce the above copyright
	32	* notice, this list of conditions and the following disclaimer in the
	33	* documentation and/or other materials provided with the distribution.
	34	* 3. All advertising materials mentioning features or use of this software
	35	* must display the following acknowledgement:
	36	* This product includes software developed by the University of
	37	* California, Berkeley and its contributors.
	38	* 4. Neither the name of the University nor the names of its contributors
	39	* may be used to endorse or promote products derived from this software
	40	* without specific prior written permission.
	41	*
	42	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	43	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	44	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	45	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	46	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	47	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	48	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	50	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	51	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	52	* SUCH DAMAGE.
	53	*
	54	* @(#)if.h 8.1 (Berkeley) 6/10/93
9bccf70c	55	* $FreeBSD: src/sys/net/if.h,v 1.58.2.2 2001/07/24 19:10:18 brooks Exp $
1c79356b A	56	*/
	57
	58	#ifndef _NET_IF_H_
	59	#define _NET_IF_H_
9bccf70c	60	#include <sys/appleapiopts.h>
1c79356b	61
9bccf70c	62	#ifdef __APPLE__
1c79356b A	63	/*
	64	* Define Data-Link event subclass, and associated
	65	* events.
	66	*/
	67
	68	#define KEV_DL_SUBCLASS 2
	69
	70	#define KEV_DL_SIFFLAGS 1
	71	#define KEV_DL_SIFMETRICS 2
	72	#define KEV_DL_SIFMTU 3
	73	#define KEV_DL_SIFPHYS 4
	74	#define KEV_DL_SIFMEDIA 5
	75	#define KEV_DL_SIFGENERIC 6
	76	#define KEV_DL_ADDMULTI 7
	77	#define KEV_DL_DELMULTI 8
	78	#define KEV_DL_IF_ATTACHED 9
	79	#define KEV_DL_IF_DETACHING 10
	80	#define KEV_DL_IF_DETACHED 11
	81	#define KEV_DL_LINK_OFF 12
	82	#define KEV_DL_LINK_ON 13
0b4e3aa0 A	83	#define KEV_DL_PROTO_ATTACHED 14
0b4e3aa0 A	84	#define KEV_DL_PROTO_DETACHED 15
9bccf70c	85	#endif
1c79356b A	86
	87	/*
	88	* <net/if.h> does not depend on <sys/time.h> on most other systems. This
	89	* helps userland compatability. (struct timeval ifi_lastchange)
	90	*/
1c79356b	91	#include <sys/time.h>
9bccf70c A	92
9bccf70c A	93	#ifdef __APPLE__
1c79356b	94	#include <net/if_var.h>
9bccf70c	95	#endif
1c79356b A	96
	97
	98	#define IFF_UP 0x1 /* interface is up */
	99	#define IFF_BROADCAST 0x2 /* broadcast address valid */
	100	#define IFF_DEBUG 0x4 /* turn on debugging */
	101	#define IFF_LOOPBACK 0x8 /* is a loopback net */
	102	#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
	103	#define IFF_NOTRAILERS 0x20 /* obsolete: avoid use of trailers */
	104	#define IFF_RUNNING 0x40 /* resources allocated */
	105	#define IFF_NOARP 0x80 /* no address resolution protocol */
	106	#define IFF_PROMISC 0x100 /* receive all packets */
	107	#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
	108	#define IFF_OACTIVE 0x400 /* transmission in progress */
	109	#define IFF_SIMPLEX 0x800 /* can't hear own transmissions */
	110	#define IFF_LINK0 0x1000 /* per link layer defined bit */
	111	#define IFF_LINK1 0x2000 /* per link layer defined bit */
	112	#define IFF_LINK2 0x4000 /* per link layer defined bit */
	113	#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
	114	#define IFF_MULTICAST 0x8000 /* supports multicast */
1c79356b	115
9bccf70c	116	#if KERNEL_PRIVATE
0b4e3aa0 A	117	/* extended flags definitions: (all bits are reserved for internal/future use) */
0b4e3aa0 A	118	#define IFEF_AUTOCONFIGURING 0x1
1c79356b	119	#define IFEF_DVR_REENTRY_OK 0x20 /* When set, driver may be reentered from its own thread */
9bccf70c A	120	#define IFEF_INUSE 0x40000000 /* DLIL ifnet recycler, ifnet in use */
9bccf70c A	121	#define IFEF_REUSE 0x20000000 /* DLIL ifnet recycler, ifnet is not new */
0b4e3aa0	122	#endif KERNEL_PRIVATE
1c79356b A	123
	124
	125	/* flags set internally only: */
	126	#define IFF_CANTCHANGE \
	127	(IFF_BROADCAST\|IFF_POINTOPOINT\|IFF_RUNNING\|IFF_OACTIVE\|\
	128	IFF_SIMPLEX\|IFF_MULTICAST\|IFF_ALLMULTI)
	129
	130	#define IFQ_MAXLEN 50
	131	#define IFNET_SLOWHZ 1 /* granularity is 1 second */
	132
	133	/*
	134	* Message format for use in obtaining information about interfaces
	135	* from getkerninfo and the routing socket
	136	*/
	137	struct if_msghdr {
	138	u_short ifm_msglen; /* to skip over non-understood messages */
	139	u_char ifm_version; /* future binary compatability */
	140	u_char ifm_type; /* message type */
	141	int ifm_addrs; /* like rtm_addrs */
	142	int ifm_flags; /* value of if_flags */
	143	u_short ifm_index; /* index for associated ifp */
	144	struct if_data ifm_data;/* statistics and other data about if */
	145	};
	146
	147	/*
	148	* Message format for use in obtaining information about interface addresses
	149	* from getkerninfo and the routing socket
	150	*/
	151	struct ifa_msghdr {
	152	u_short ifam_msglen; /* to skip over non-understood messages */
	153	u_char ifam_version; /* future binary compatability */
	154	u_char ifam_type; /* message type */
	155	int ifam_addrs; /* like rtm_addrs */
	156	int ifam_flags; /* value of ifa_flags */
	157	u_short ifam_index; /* index for associated ifp */
	158	int ifam_metric; /* value of ifa_metric */
	159	};
	160
	161	/*
	162	* Message format for use in obtaining information about multicast addresses
	163	* from the routing socket
	164	*/
	165	struct ifma_msghdr {
	166	u_short ifmam_msglen; /* to skip over non-understood messages */
	167	u_char ifmam_version; /* future binary compatability */
	168	u_char ifmam_type; /* message type */
	169	int ifmam_addrs; /* like rtm_addrs */
	170	int ifmam_flags; /* value of ifa_flags */
	171	u_short ifmam_index; /* index for associated ifp */
	172	};
	173
	174	/*
	175	* Interface request structure used for socket
	176	* ioctl's. All interface ioctl's must have parameter
	177	* definitions which begin with ifr_name. The
	178	* remainder may be interface specific.
	179	*/
	180	#define IF_NAMESIZE IFNAMSIZ
	181	struct ifreq {
	182	#define IFNAMSIZ 16
	183	char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	184	union {
	185	struct sockaddr ifru_addr;
	186	struct sockaddr ifru_dstaddr;
187	struct sockaddr ifru_broadaddr;
188	short ifru_flags;
189	int ifru_metric;
190	int ifru_mtu;
191	int ifru_phys;
192	int ifru_media;
193	caddr_t ifru_data;
194	} ifr_ifru;
195	#define ifr_addr ifr_ifru.ifru_addr /* address */
196	#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
197	#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
9bccf70c	198	#ifdef __APPLE__
1c79356b	199	#define ifr_flags ifr_ifru.ifru_flags /* flags */
9bccf70c A	200	#else
	201	#define ifr_flags ifr_ifru.ifru_flags[0] /* flags */
	202	#define ifr_prevflags ifr_ifru.ifru_flags[1] /* flags */
	203	#endif /* __APPLE__ */
1c79356b A	204	#define ifr_metric ifr_ifru.ifru_metric /* metric */
	205	#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
	206	#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
	207	#define ifr_media ifr_ifru.ifru_media /* physical media */
	208	#define ifr_data ifr_ifru.ifru_data /* for use by interface */
	209	};
	210
	211	#define _SIZEOF_ADDR_IFREQ(ifr) \
	212	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
	213	(sizeof(struct ifreq) - sizeof(struct sockaddr) + \
	214	(ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
	215
	216	struct ifaliasreq {
	217	char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	218	struct sockaddr ifra_addr;
	219	struct sockaddr ifra_broadaddr;
	220	struct sockaddr ifra_mask;
	221	};
	222
	223	struct rslvmulti_req {
	224	struct sockaddr *sa;
	225	struct sockaddr **llsa;
	226	};
	227
	228	struct ifmediareq {
	229	char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	230	int ifm_current; /* current media options */
	231	int ifm_mask; /* don't care mask */
	232	int ifm_status; /* media status */
	233	int ifm_active; /* active options */
	234	int ifm_count; /* # entries in ifm_ulist array */
	235	int ifm_ulist; / media words */
	236	};
9bccf70c A	237
	238	/*
	239	* Structure used to retrieve aux status data from interfaces.
	240	* Kernel suppliers to this interface should respect the formatting
	241	* needed by ifconfig(8): each line starts with a TAB and ends with
	242	* a newline. The canonical example to copy and paste is in if_tun.c.
	243	*/
	244
	245	#define IFSTATMAX 800 /* 10 lines of text */
	246	struct ifstat {
	247	char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	248	char ascii[IFSTATMAX + 1];
	249	};
	250
1c79356b A	251	/*
	252	* Structure used in SIOCGIFCONF request.
	253	* Used to retrieve interface configuration
	254	* for machine (useful for programs which
	255	* must know all networks accessible).
	256	*/
	257	struct ifconf {
	258	int ifc_len; /* size of associated buffer */
	259	union {
	260	caddr_t ifcu_buf;
	261	struct ifreq *ifcu_req;
	262	} ifc_ifcu;
	263	#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
	264	#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
	265	};
	266
9bccf70c A	267	#ifdef __APPLE__
9bccf70c A	268	#ifdef __APPLE_API_UNSTABLE
0b4e3aa0 A	269	/*
	270	* DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
	271	*/
	272	struct kev_dl_proto_data {
	273	struct net_event_data link_data;
	274	u_long proto_family;
	275	u_long proto_remaining_count;
	276	};
9bccf70c A	277	#endif /* __APPLE_API_UNSTABLE */
9bccf70c A	278	#endif
0b4e3aa0 A	279
0b4e3aa0 A	280
1c79356b A	281	/*
	282	* Structure for SIOC[AGD]LIFADDR
	283	*/
	284	struct if_laddrreq {
9bccf70c A	285	char iflr_name[IFNAMSIZ];
	286	u_int flags;
	287	#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
	288	u_int prefixlen; /* in/out */
	289	struct sockaddr_storage addr; /* in/out */
	290	struct sockaddr_storage dstaddr; /* out */
1c79356b A	291	};
1c79356b A	292
1c79356b A	293	#ifdef KERNEL
	294	#ifdef MALLOC_DECLARE
	295	MALLOC_DECLARE(M_IFADDR);
	296	MALLOC_DECLARE(M_IFMADDR);
	297	#endif
	298	#endif
	299
	300	#ifndef KERNEL
9bccf70c A	301	struct if_nameindex {
	302	u_int if_index; /* 1, 2, ... */
	303	char if_name; / null terminated name: "le0", ... */
	304	};
	305
1c79356b	306	__BEGIN_DECLS
9bccf70c A	307	u_int if_nametoindex __P((const char *));
	308	char if_indextoname __P((u_int, char ));
	309	struct if_nameindex *if_nameindex __P((void));
	310	void if_freenameindex __P((struct if_nameindex *));
1c79356b A	311	__END_DECLS
	312	#endif
	313
1c79356b	314	#ifdef KERNEL
9bccf70c A	315	#ifndef __APPLE__
	316	struct proc;
	317
	318	int prison_if __P((struct proc p, struct sockaddr sa));
	319	#endif
	320
1c79356b A	321	#endif
	322
	323	#endif /* !_NET_IF_H_ */