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

/*
 * Copyright (c) 2000-2004 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_

#define	IF_NAMESIZE	16

#ifndef _POSIX_C_SOURCE
#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
#define KEV_DL_LINK_ADDRESS_CHANGED	16

#include <net/if_var.h>
#include <sys/types.h>
#endif

#ifdef KERNEL_PRIVATE
struct if_clonereq {
	int	ifcr_total;		/* total cloners (out) */
	int	ifcr_count;		/* room for this many in user buffer */
	char	*ifcr_buffer;		/* buffer for cloner names */
};

/* in-kernel, LP64-aware version of if_clonereq.  all pointers 
 * grow when we're dealing with a 64-bit process.
 * WARNING - keep in sync with if_clonereq
 */
struct if_clonereq64 {
	int	ifcr_total;		/* total cloners (out) */
	int	ifcr_count;		/* room for this many in user buffer */
	union {
	    u_int64_t	ifcru_buffer64;
	    char *	ifcru_buffer32;
	} ifcr_ifcru;
};
#endif KERNEL_PRIVATE

#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 */

#ifdef 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_ACCEPT_RTADVD	0x40	/* set to accept IPv6 router advertisement on the interface */
#define IFEF_DETACHING		0x80	/* Set when interface is detaching */
#define IFEF_USEKPI			0x100	/* Set when interface is created through the KPIs */
#define IFEF_VLAN		0x200	/* interface has one or more vlans */
#define IFEF_BOND		0x400	/* interface is part of bond */
#define	IFEF_ARPLL		0x800	/* ARP for IPv4LL addresses on this port */
#define IFEF_REUSE	0x20000000 /* DLIL ifnet recycler, ifnet is not new */
#define IFEF_INUSE	0x40000000 /* DLIL ifnet recycler, ifnet in use */
#define IFEF_UPDOWNCHANGE	0x80000000 /* Interface's up/down state is changing */

/* flags set internally only: */
#define	IFF_CANTCHANGE \
	(IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
	    IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)

#endif /* KERNEL_PRIVATE */

#define	IFQ_MAXLEN	50
#define	IFNET_SLOWHZ	1		/* granularity is 1 second */

/*
 * Message format for use in obtaining information about interfaces
 * from sysctl and the routing socket
 */
struct if_msghdr {
	unsigned short	ifm_msglen;	/* to skip over non-understood messages */
	unsigned char	ifm_version;	/* future binary compatability */
	unsigned char	ifm_type;	/* message type */
	int		ifm_addrs;	/* like rtm_addrs */
	int		ifm_flags;	/* value of if_flags */
	unsigned 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 sysctl and the routing socket
 */
struct ifa_msghdr {
	unsigned short	ifam_msglen;	/* to skip over non-understood messages */
	unsigned char	ifam_version;	/* future binary compatability */
	unsigned char	ifam_type;	/* message type */
	int		ifam_addrs;	/* like rtm_addrs */
	int		ifam_flags;	/* value of ifa_flags */
	unsigned 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 {
	unsigned short	ifmam_msglen;	/* to skip over non-understood messages */
	unsigned char	ifmam_version;	/* future binary compatability */
	unsigned char	ifmam_type;	/* message type */
	int		ifmam_addrs;	/* like rtm_addrs */
	int		ifmam_flags;	/* value of ifa_flags */
	unsigned short	ifmam_index;	/* index for associated ifp */
};

/*
 * Message format for use in obtaining information about interfaces
 * from sysctl 
 */
struct if_msghdr2 {
	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 */
	int	ifm_snd_len;	/* instantaneous length of send queue */
	int	ifm_snd_maxlen;	/* maximum length of send queue */
	int	ifm_snd_drops;	/* number of drops in send queue */
	int	ifm_timer;	/* time until if_watchdog called */
	struct if_data64	ifm_data;	/* statistics and other data about if */
};

/*
 * Message format for use in obtaining information about multicast addresses
 * from sysctl
 */
struct ifma_msghdr2 {
	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 */
	int32_t ifmam_refcount;
};

/*
 * ifdevmtu: interface device mtu
 *    Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
 *    as well as the minimum and maximum mtu allowed by the device.
 */
struct ifdevmtu {
	int	ifdm_current;
	int	ifdm_min;
	int	ifdm_max;
};

/*
 * 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 {
#ifndef IFNAMSIZ
#define	IFNAMSIZ	IF_NAMESIZE
#endif
	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;
		int 	ifru_intval;
		caddr_t	ifru_data;
#ifdef KERNEL_PRIVATE
		u_int64_t ifru_data64;	/* 64-bit ifru_data */
#endif KERNEL_PRIVATE
		struct	ifdevmtu ifru_devmtu;
	} 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 ifr_devmtu	ifr_ifru.ifru_devmtu	
#define ifr_intval	ifr_ifru.ifru_intval	/* integer value */
#ifdef KERNEL_PRIVATE
#define ifr_data64	ifr_ifru.ifru_data64	/* 64-bit pointer */
#endif KERNEL_PRIVATE
};

#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 */
};

#ifdef KERNEL_PRIVATE
/* LP64 version of ifmediareq.  all pointers 
 * grow when we're dealing with a 64-bit process.
 * WARNING - keep in sync with ifmediareq
 */
struct ifmediareq64 {
	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 */
	union {				/* media words */
	    int * 	ifmu_ulist32;	/* 32-bit pointer */
	    u_int64_t	ifmu_ulist64;	/* 64-bit pointer */
	} ifm_ifmu;
};
#endif // KERNEL_PRIVATE

/* 
 * 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 KERNEL_PRIVATE
/* LP64 version of ifconf.  all pointers 
 * grow when we're dealing with a 64-bit process.
 * WARNING - keep in sync with ifconf
 */
struct ifconf64 {
	int     ifc_len;		/* size of associated buffer */
	union {
		struct ifreq *	ifcu_req;
	    	u_int64_t	ifcu_req64;
	} ifc_ifcu;
};
#define	ifc_req64	ifc_ifcu.ifcu_req64
#endif // KERNEL_PRIVATE

/*
 * DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
 */
struct kev_dl_proto_data {
     struct net_event_data   	link_data;
     unsigned long		proto_family;
     unsigned long		proto_remaining_count;
};

/*
 * Structure for SIOC[AGD]LIFADDR
 */
struct if_laddrreq {
	char			iflr_name[IFNAMSIZ];
	unsigned int		flags;
#define	IFLR_PREFIX	0x8000  /* in: prefix given  out: kernel fills id */
	unsigned 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
#endif /* _POSIX_C_SOURCE */

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

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

#ifdef KERNEL
#include <net/kpi_interface.h>
#endif

#endif /* !_NET_IF_H_ */
Commit	Line	Data
1c79356b	1	/*
91447636	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
e5568f75 A	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.
1c79356b	11	*
e5568f75 A	12	* This Original Code and all software distributed under the License are
e5568f75 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75 A	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.
1c79356b A	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_
	60
91447636 A	61	#define IF_NAMESIZE 16
	62
	63	#ifndef _POSIX_C_SOURCE
	64	#include <sys/appleapiopts.h>
9bccf70c	65	#ifdef __APPLE__
1c79356b A	66	/*
	67	* Define Data-Link event subclass, and associated
	68	* events.
	69	*/
	70
	71	#define KEV_DL_SUBCLASS 2
	72
	73	#define KEV_DL_SIFFLAGS 1
	74	#define KEV_DL_SIFMETRICS 2
	75	#define KEV_DL_SIFMTU 3
	76	#define KEV_DL_SIFPHYS 4
	77	#define KEV_DL_SIFMEDIA 5
	78	#define KEV_DL_SIFGENERIC 6
	79	#define KEV_DL_ADDMULTI 7
	80	#define KEV_DL_DELMULTI 8
	81	#define KEV_DL_IF_ATTACHED 9
	82	#define KEV_DL_IF_DETACHING 10
	83	#define KEV_DL_IF_DETACHED 11
	84	#define KEV_DL_LINK_OFF 12
	85	#define KEV_DL_LINK_ON 13
0b4e3aa0 A	86	#define KEV_DL_PROTO_ATTACHED 14
0b4e3aa0 A	87	#define KEV_DL_PROTO_DETACHED 15
91447636	88	#define KEV_DL_LINK_ADDRESS_CHANGED 16
4a249263	89
1c79356b	90	#include <net/if_var.h>
91447636	91	#include <sys/types.h>
9bccf70c	92	#endif
1c79356b	93
4a249263 A	94	#ifdef KERNEL_PRIVATE
	95	struct if_clonereq {
	96	int ifcr_total; /* total cloners (out) */
	97	int ifcr_count; /* room for this many in user buffer */
	98	char ifcr_buffer; / buffer for cloner names */
	99	};
91447636 A	100
	101	/* in-kernel, LP64-aware version of if_clonereq. all pointers
	102	* grow when we're dealing with a 64-bit process.
	103	* WARNING - keep in sync with if_clonereq
	104	*/
	105	struct if_clonereq64 {
	106	int ifcr_total; /* total cloners (out) */
	107	int ifcr_count; /* room for this many in user buffer */
	108	union {
	109	u_int64_t ifcru_buffer64;
	110	char * ifcru_buffer32;
	111	} ifcr_ifcru;
	112	};
4a249263	113	#endif KERNEL_PRIVATE
1c79356b A	114
	115	#define IFF_UP 0x1 /* interface is up */
	116	#define IFF_BROADCAST 0x2 /* broadcast address valid */
	117	#define IFF_DEBUG 0x4 /* turn on debugging */
	118	#define IFF_LOOPBACK 0x8 /* is a loopback net */
	119	#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
	120	#define IFF_NOTRAILERS 0x20 /* obsolete: avoid use of trailers */
	121	#define IFF_RUNNING 0x40 /* resources allocated */
	122	#define IFF_NOARP 0x80 /* no address resolution protocol */
	123	#define IFF_PROMISC 0x100 /* receive all packets */
	124	#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
	125	#define IFF_OACTIVE 0x400 /* transmission in progress */
	126	#define IFF_SIMPLEX 0x800 /* can't hear own transmissions */
	127	#define IFF_LINK0 0x1000 /* per link layer defined bit */
	128	#define IFF_LINK1 0x2000 /* per link layer defined bit */
	129	#define IFF_LINK2 0x4000 /* per link layer defined bit */
	130	#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
	131	#define IFF_MULTICAST 0x8000 /* supports multicast */
1c79356b	132
4a249263	133	#ifdef KERNEL_PRIVATE
0b4e3aa0 A	134	/* extended flags definitions: (all bits are reserved for internal/future use) */
0b4e3aa0 A	135	#define IFEF_AUTOCONFIGURING 0x1
1c79356b	136	#define IFEF_DVR_REENTRY_OK 0x20 /* When set, driver may be reentered from its own thread */
55e303ae	137	#define IFEF_ACCEPT_RTADVD 0x40 /* set to accept IPv6 router advertisement on the interface */
91447636 A	138	#define IFEF_DETACHING 0x80 /* Set when interface is detaching */
	139	#define IFEF_USEKPI 0x100 /* Set when interface is created through the KPIs */
	140	#define IFEF_VLAN 0x200 /* interface has one or more vlans */
	141	#define IFEF_BOND 0x400 /* interface is part of bond */
	142	#define IFEF_ARPLL 0x800 /* ARP for IPv4LL addresses on this port */
9bccf70c	143	#define IFEF_REUSE 0x20000000 /* DLIL ifnet recycler, ifnet is not new */
91447636 A	144	#define IFEF_INUSE 0x40000000 /* DLIL ifnet recycler, ifnet in use */
91447636 A	145	#define IFEF_UPDOWNCHANGE 0x80000000 /* Interface's up/down state is changing */
1c79356b A	146
	147	/* flags set internally only: */
	148	#define IFF_CANTCHANGE \
	149	(IFF_BROADCAST\|IFF_POINTOPOINT\|IFF_RUNNING\|IFF_OACTIVE\|\
	150	IFF_SIMPLEX\|IFF_MULTICAST\|IFF_ALLMULTI)
	151
91447636 A	152	#endif /* KERNEL_PRIVATE */
91447636 A	153
1c79356b A	154	#define IFQ_MAXLEN 50
	155	#define IFNET_SLOWHZ 1 /* granularity is 1 second */
	156
	157	/*
	158	* Message format for use in obtaining information about interfaces
91447636	159	* from sysctl and the routing socket
1c79356b A	160	*/
1c79356b A	161	struct if_msghdr {
91447636 A	162	unsigned short ifm_msglen; /* to skip over non-understood messages */
	163	unsigned char ifm_version; /* future binary compatability */
	164	unsigned char ifm_type; /* message type */
	165	int ifm_addrs; /* like rtm_addrs */
	166	int ifm_flags; /* value of if_flags */
	167	unsigned short ifm_index; /* index for associated ifp */
	168	struct if_data ifm_data; /* statistics and other data about if */
1c79356b A	169	};
	170
	171	/*
	172	* Message format for use in obtaining information about interface addresses
91447636	173	* from sysctl and the routing socket
1c79356b A	174	*/
1c79356b A	175	struct ifa_msghdr {
91447636 A	176	unsigned short ifam_msglen; /* to skip over non-understood messages */
	177	unsigned char ifam_version; /* future binary compatability */
	178	unsigned char ifam_type; /* message type */
	179	int ifam_addrs; /* like rtm_addrs */
	180	int ifam_flags; /* value of ifa_flags */
	181	unsigned short ifam_index; /* index for associated ifp */
	182	int ifam_metric; /* value of ifa_metric */
1c79356b A	183	};
	184
	185	/*
	186	* Message format for use in obtaining information about multicast addresses
	187	* from the routing socket
	188	*/
	189	struct ifma_msghdr {
91447636 A	190	unsigned short ifmam_msglen; /* to skip over non-understood messages */
	191	unsigned char ifmam_version; /* future binary compatability */
	192	unsigned char ifmam_type; /* message type */
	193	int ifmam_addrs; /* like rtm_addrs */
	194	int ifmam_flags; /* value of ifa_flags */
	195	unsigned short ifmam_index; /* index for associated ifp */
	196	};
	197
	198	/*
	199	* Message format for use in obtaining information about interfaces
	200	* from sysctl
	201	*/
	202	struct if_msghdr2 {
	203	u_short ifm_msglen; /* to skip over non-understood messages */
	204	u_char ifm_version; /* future binary compatability */
	205	u_char ifm_type; /* message type */
	206	int ifm_addrs; /* like rtm_addrs */
	207	int ifm_flags; /* value of if_flags */
	208	u_short ifm_index; /* index for associated ifp */
	209	int ifm_snd_len; /* instantaneous length of send queue */
	210	int ifm_snd_maxlen; /* maximum length of send queue */
	211	int ifm_snd_drops; /* number of drops in send queue */
	212	int ifm_timer; /* time until if_watchdog called */
	213	struct if_data64 ifm_data; /* statistics and other data about if */
	214	};
	215
	216	/*
	217	* Message format for use in obtaining information about multicast addresses
	218	* from sysctl
	219	*/
	220	struct ifma_msghdr2 {
1c79356b A	221	u_short ifmam_msglen; /* to skip over non-understood messages */
	222	u_char ifmam_version; /* future binary compatability */
	223	u_char ifmam_type; /* message type */
	224	int ifmam_addrs; /* like rtm_addrs */
	225	int ifmam_flags; /* value of ifa_flags */
	226	u_short ifmam_index; /* index for associated ifp */
91447636 A	227	int32_t ifmam_refcount;
	228	};
	229
	230	/*
	231	* ifdevmtu: interface device mtu
	232	* Used with SIOCGIFDEVMTU to get the current mtu in use by the device,
	233	* as well as the minimum and maximum mtu allowed by the device.
	234	*/
	235	struct ifdevmtu {
	236	int ifdm_current;
	237	int ifdm_min;
	238	int ifdm_max;
1c79356b A	239	};
	240
	241	/*
	242	* Interface request structure used for socket
	243	* ioctl's. All interface ioctl's must have parameter
	244	* definitions which begin with ifr_name. The
	245	* remainder may be interface specific.
	246	*/
1c79356b	247	struct ifreq {
91447636 A	248	#ifndef IFNAMSIZ
	249	#define IFNAMSIZ IF_NAMESIZE
	250	#endif
1c79356b A	251	char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	252	union {
	253	struct sockaddr ifru_addr;
	254	struct sockaddr ifru_dstaddr;
	255	struct sockaddr ifru_broadaddr;
	256	short ifru_flags;
	257	int ifru_metric;
	258	int ifru_mtu;
	259	int ifru_phys;
	260	int ifru_media;
91447636	261	int ifru_intval;
1c79356b	262	caddr_t ifru_data;
91447636 A	263	#ifdef KERNEL_PRIVATE
	264	u_int64_t ifru_data64; /* 64-bit ifru_data */
	265	#endif KERNEL_PRIVATE
	266	struct ifdevmtu ifru_devmtu;
1c79356b A	267	} ifr_ifru;
	268	#define ifr_addr ifr_ifru.ifru_addr /* address */
	269	#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
	270	#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
9bccf70c	271	#ifdef __APPLE__
1c79356b	272	#define ifr_flags ifr_ifru.ifru_flags /* flags */
9bccf70c A	273	#else
	274	#define ifr_flags ifr_ifru.ifru_flags[0] /* flags */
	275	#define ifr_prevflags ifr_ifru.ifru_flags[1] /* flags */
	276	#endif /* __APPLE__ */
1c79356b A	277	#define ifr_metric ifr_ifru.ifru_metric /* metric */
	278	#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
	279	#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
	280	#define ifr_media ifr_ifru.ifru_media /* physical media */
	281	#define ifr_data ifr_ifru.ifru_data /* for use by interface */
91447636 A	282	#define ifr_devmtu ifr_ifru.ifru_devmtu
	283	#define ifr_intval ifr_ifru.ifru_intval /* integer value */
	284	#ifdef KERNEL_PRIVATE
	285	#define ifr_data64 ifr_ifru.ifru_data64 /* 64-bit pointer */
	286	#endif KERNEL_PRIVATE
1c79356b A	287	};
	288
	289	#define _SIZEOF_ADDR_IFREQ(ifr) \
	290	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
	291	(sizeof(struct ifreq) - sizeof(struct sockaddr) + \
	292	(ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
	293
	294	struct ifaliasreq {
	295	char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	296	struct sockaddr ifra_addr;
	297	struct sockaddr ifra_broadaddr;
	298	struct sockaddr ifra_mask;
	299	};
	300
	301	struct rslvmulti_req {
	302	struct sockaddr *sa;
	303	struct sockaddr **llsa;
	304	};
	305
	306	struct ifmediareq {
	307	char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	308	int ifm_current; /* current media options */
	309	int ifm_mask; /* don't care mask */
	310	int ifm_status; /* media status */
	311	int ifm_active; /* active options */
	312	int ifm_count; /* # entries in ifm_ulist array */
	313	int ifm_ulist; / media words */
	314	};
9bccf70c	315
91447636 A	316	#ifdef KERNEL_PRIVATE
	317	/* LP64 version of ifmediareq. all pointers
	318	* grow when we're dealing with a 64-bit process.
	319	* WARNING - keep in sync with ifmediareq
	320	*/
	321	struct ifmediareq64 {
	322	char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	323	int ifm_current; /* current media options */
	324	int ifm_mask; /* don't care mask */
	325	int ifm_status; /* media status */
	326	int ifm_active; /* active options */
	327	int ifm_count; /* # entries in ifm_ulist array */
	328	union { /* media words */
	329	int * ifmu_ulist32; /* 32-bit pointer */
	330	u_int64_t ifmu_ulist64; /* 64-bit pointer */
	331	} ifm_ifmu;
	332	};
	333	#endif // KERNEL_PRIVATE
	334
9bccf70c A	335	/*
	336	* Structure used to retrieve aux status data from interfaces.
	337	* Kernel suppliers to this interface should respect the formatting
	338	* needed by ifconfig(8): each line starts with a TAB and ends with
	339	* a newline. The canonical example to copy and paste is in if_tun.c.
	340	*/
	341
	342	#define IFSTATMAX 800 /* 10 lines of text */
	343	struct ifstat {
	344	char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	345	char ascii[IFSTATMAX + 1];
	346	};
	347
1c79356b A	348	/*
	349	* Structure used in SIOCGIFCONF request.
	350	* Used to retrieve interface configuration
	351	* for machine (useful for programs which
	352	* must know all networks accessible).
	353	*/
	354	struct ifconf {
	355	int ifc_len; /* size of associated buffer */
	356	union {
	357	caddr_t ifcu_buf;
	358	struct ifreq *ifcu_req;
	359	} ifc_ifcu;
	360	#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
	361	#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
	362	};
	363
91447636 A	364	#ifdef KERNEL_PRIVATE
	365	/* LP64 version of ifconf. all pointers
	366	* grow when we're dealing with a 64-bit process.
	367	* WARNING - keep in sync with ifconf
	368	*/
	369	struct ifconf64 {
	370	int ifc_len; /* size of associated buffer */
	371	union {
	372	struct ifreq * ifcu_req;
	373	u_int64_t ifcu_req64;
	374	} ifc_ifcu;
	375	};
	376	#define ifc_req64 ifc_ifcu.ifcu_req64
	377	#endif // KERNEL_PRIVATE
	378
0b4e3aa0 A	379	/*
	380	* DLIL KEV_DL_PROTO_ATTACHED/DETACHED structure
	381	*/
	382	struct kev_dl_proto_data {
	383	struct net_event_data link_data;
91447636 A	384	unsigned long proto_family;
91447636 A	385	unsigned long proto_remaining_count;
0b4e3aa0	386	};
0b4e3aa0	387
1c79356b A	388	/*
	389	* Structure for SIOC[AGD]LIFADDR
	390	*/
	391	struct if_laddrreq {
91447636 A	392	char iflr_name[IFNAMSIZ];
91447636 A	393	unsigned int flags;
9bccf70c	394	#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
91447636 A	395	unsigned int prefixlen; /* in/out */
	396	struct sockaddr_storage addr; /* in/out */
	397	struct sockaddr_storage dstaddr; /* out */
1c79356b A	398	};
1c79356b A	399
1c79356b A	400	#ifdef KERNEL
	401	#ifdef MALLOC_DECLARE
	402	MALLOC_DECLARE(M_IFADDR);
	403	MALLOC_DECLARE(M_IFMADDR);
	404	#endif
	405	#endif
91447636	406	#endif /* _POSIX_C_SOURCE */
1c79356b A	407
1c79356b A	408	#ifndef KERNEL
9bccf70c	409	struct if_nameindex {
91447636 A	410	unsigned int if_index; /* 1, 2, ... */
91447636 A	411	char if_name; / null terminated name: "le0", ... */
9bccf70c A	412	};
9bccf70c A	413
1c79356b	414	__BEGIN_DECLS
91447636 A	415	unsigned int if_nametoindex(const char *);
	416	char if_indextoname(unsigned int, char );
	417	struct if_nameindex *if_nameindex(void);
	418	void if_freenameindex(struct if_nameindex *);
1c79356b A	419	__END_DECLS
	420	#endif
	421
1c79356b	422	#ifdef KERNEL
91447636	423	#include <net/kpi_interface.h>
1c79356b A	424	#endif
	425
	426	#endif /* !_NET_IF_H_ */