[dragonfly.git] / sys / net / if.h

/*
 * 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 1.58.2.9 2002/08/30 14:23:38 sobomax Exp $
 * $DragonFly: src/sys/net/if.h,v 1.21 2008/08/30 16:07:59 hasso Exp $
 */

#ifndef _NET_IF_H_
#define	_NET_IF_H_

#ifndef _SYS_TYPES_H_
#include <sys/types.h>
#endif
#ifndef _SYS_TIME_H_
#include <sys/time.h>
#endif
#ifndef _SYS_SOCKET_H_
#include <sys/socket.h>
#endif

#ifdef _KERNEL

#ifndef _SYS_QUEUE_H_
#include <sys/queue.h>
#endif

#endif

/*
 * Values for if_link_state.
 */
#define	LINK_STATE_UNKNOWN	0	/* link invalid/unknown */
#define	LINK_STATE_DOWN		1	/* link is down */
#define	LINK_STATE_UP		2	/* link is up */
#define	LINK_STATE_IS_UP(_s)	((_s) >= LINK_STATE_UP)

struct ifnet;

/*
 * Length of interface external name, including terminating '\0'.
 * Note: this is the same size as a generic device's external name.
 */
#define		IFNAMSIZ	16
#define		IF_NAMESIZE	IFNAMSIZ
#define		IF_MAXUNIT	0x7fff		/* if_unit is 15bits */

/*
 * Structure used to query names of interface cloners.
 * XXX should be moved to net/if_clone.h
 */
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 */
};

/*
 * 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_link_state;		/* current link state */
	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_hwassist;		/* HW offload capabilities */
	u_long	ifi_unused;		/* XXX was ifi_xmittiming */
	struct	timeval ifi_lastchange;	/* time of last administrative change */
};

#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_SMART	0x20		/* interface manages own routes */
#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 */
#define	IFF_POLLING	0x10000		/* Interface is in polling mode. */
#define	IFF_PPROMISC	0x20000		/* user-requested promisc mode */
#define	IFF_MONITOR	0x40000		/* user-requested monitor mode */
#define IFF_STATICARP	0x80000		/* static ARP */
#define IFF_NPOLLING	0x100000	/* ifpoll is used */

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

/*
 * Some convenience macros used for setting ifi_baudrate.
 * XXX 1000 vs. 1024? --thorpej@netbsd.org
 */
#define	IF_Kbps(x)	((x) * 1000)		/* kilobits/sec. */
#define	IF_Mbps(x)	(IF_Kbps((x) * 1000))	/* megabits/sec. */
#define	IF_Gbps(x)	(IF_Mbps((x) * 1000))	/* gigabits/sec. */

/* Capabilities that interfaces can advertise. */
#define IFCAP_RXCSUM		0x0001  /* can offload checksum on RX */
#define IFCAP_TXCSUM		0x0002  /* can offload checksum on TX */
#define IFCAP_NETCONS		0x0004  /* can be a network console */
#define IFCAP_VLAN_MTU		0x0008	/* VLAN-compatible MTU */
#define IFCAP_VLAN_HWTAGGING	0x0010	/* hardware VLAN tag support */
#define IFCAP_JUMBO_MTU		0x0020	/* 9000 byte MTU support */
#define IFCAP_RSS		0x0040	/* Receive Side Scaling for IPv4 */

#define IFCAP_HWCSUM		(IFCAP_RXCSUM | IFCAP_TXCSUM)

#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 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_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 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 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 compatibility */
	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 */
};

/*
 * Message format announcing the arrival or departure of a network interface.
 */
struct if_announcemsghdr {
	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 */
};

#define	IFAN_ARRIVAL	0	/* interface arrival */
#define	IFAN_DEPARTURE	1	/* interface departure */

/*
 * 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 {
	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[2];
		short	ifru_index;
		int	ifru_metric;
		int	ifru_mtu;
		int	ifru_phys;
		int	ifru_media;
		void   *ifru_data;
		int	ifru_cap[2];
		int	ifru_pollcpu;
	} 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[0]	/* flags (low 16 bits) */
#define	ifr_flagshigh	ifr_ifru.ifru_flags[1]	/* flags (high 16 bits) */
#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_reqcap	ifr_ifru.ifru_cap[0]	/* requested capabilities */
#define	ifr_curcap	ifr_ifru.ifru_cap[1]	/* current capabilities */
#define	ifr_index	ifr_ifru.ifru_index	/* interface index */
#define ifr_pollcpu	ifr_ifru.ifru_pollcpu	/* polling(4) cpu */
};

#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 */
};

struct  ifdrv {
	char            ifd_name[IFNAMSIZ];     /* if name, e.g. "en0" */
	unsigned long   ifd_cmd;
	size_t          ifd_len;
	void            *ifd_data;
};

/* 
 * 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 */
};


/*
 * 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 */
};

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

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

#ifdef _KERNEL
struct thread;
struct ucred;

int	prison_if (struct ucred *cred, struct sockaddr *sa);

/* XXX - this should go away soon. */
#include <net/if_var.h>
#endif

#endif /* !_NET_IF_H_ */
Commit	Line	Data
984263bc MD	1	/*
	2	* Copyright (c) 1982, 1986, 1989, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)if.h 8.1 (Berkeley) 6/10/93
	34	* $FreeBSD: src/sys/net/if.h,v 1.58.2.9 2002/08/30 14:23:38 sobomax Exp $
846204b6	35	* $DragonFly: src/sys/net/if.h,v 1.21 2008/08/30 16:07:59 hasso Exp $
984263bc MD	36	*/
	37
	38	#ifndef _NET_IF_H_
	39	#define _NET_IF_H_
	40
1bd40720 MD	41	#ifndef _SYS_TYPES_H_
	42	#include <sys/types.h>
	43	#endif
	44	#ifndef _SYS_TIME_H_
	45	#include <sys/time.h>
	46	#endif
	47	#ifndef _SYS_SOCKET_H_
	48	#include <sys/socket.h>
	49	#endif
	50
984263bc	51	#ifdef _KERNEL
1bd40720 MD	52
1bd40720 MD	53	#ifndef _SYS_QUEUE_H_
984263bc MD	54	#include <sys/queue.h>
	55	#endif
	56
984263bc MD	57	#endif
984263bc MD	58
6de83abe SZ	59	/*
	60	* Values for if_link_state.
	61	*/
	62	#define LINK_STATE_UNKNOWN 0 /* link invalid/unknown */
	63	#define LINK_STATE_DOWN 1 /* link is down */
	64	#define LINK_STATE_UP 2 /* link is up */
846204b6	65	#define LINK_STATE_IS_UP(_s) ((_s) >= LINK_STATE_UP)
6de83abe	66
984263bc MD	67	struct ifnet;
	68
	69	/*
	70	* Length of interface external name, including terminating '\0'.
	71	* Note: this is the same size as a generic device's external name.
	72	*/
	73	#define IFNAMSIZ 16
	74	#define IF_NAMESIZE IFNAMSIZ
b7b982e2	75	#define IF_MAXUNIT 0x7fff /* if_unit is 15bits */
984263bc	76
984263bc MD	77	/*
984263bc MD	78	* Structure used to query names of interface cloners.
65a24520	79	* XXX should be moved to net/if_clone.h
984263bc	80	*/
984263bc MD	81	struct if_clonereq {
	82	int ifcr_total; /* total cloners (out) */
	83	int ifcr_count; /* room for this many in user buffer */
	84	char ifcr_buffer; / buffer for cloner names */
	85	};
	86
	87	/*
	88	* Structure describing information about an interface
	89	* which may be of interest to management entities.
	90	*/
	91	struct if_data {
	92	/* generic interface information */
	93	u_char ifi_type; /* ethernet, tokenring, etc */
	94	u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
	95	u_char ifi_addrlen; /* media address length */
	96	u_char ifi_hdrlen; /* media header length */
	97	u_char ifi_recvquota; /* polling quota for receive intrs */
	98	u_char ifi_xmitquota; /* polling quota for xmit intrs */
	99	u_long ifi_mtu; /* maximum transmission unit */
	100	u_long ifi_metric; /* routing metric (external only) */
6de83abe	101	u_long ifi_link_state; /* current link state */
984263bc MD	102	u_long ifi_baudrate; /* linespeed */
	103	/* volatile statistics */
	104	u_long ifi_ipackets; /* packets received on interface */
	105	u_long ifi_ierrors; /* input errors on interface */
	106	u_long ifi_opackets; /* packets sent on interface */
	107	u_long ifi_oerrors; /* output errors on interface */
	108	u_long ifi_collisions; /* collisions on csma interfaces */
	109	u_long ifi_ibytes; /* total number of octets received */
	110	u_long ifi_obytes; /* total number of octets sent */
	111	u_long ifi_imcasts; /* packets received via multicast */
	112	u_long ifi_omcasts; /* packets sent via multicast */
	113	u_long ifi_iqdrops; /* dropped on input, this interface */
	114	u_long ifi_noproto; /* destined for unsupported protocol */
	115	u_long ifi_hwassist; /* HW offload capabilities */
	116	u_long ifi_unused; /* XXX was ifi_xmittiming */
	117	struct timeval ifi_lastchange; /* time of last administrative change */
	118	};
	119
	120	#define IFF_UP 0x1 /* interface is up */
	121	#define IFF_BROADCAST 0x2 /* broadcast address valid */
	122	#define IFF_DEBUG 0x4 /* turn on debugging */
	123	#define IFF_LOOPBACK 0x8 /* is a loopback net */
	124	#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
	125	#define IFF_SMART 0x20 /* interface manages own routes */
	126	#define IFF_RUNNING 0x40 /* resources allocated */
	127	#define IFF_NOARP 0x80 /* no address resolution protocol */
	128	#define IFF_PROMISC 0x100 /* receive all packets */
	129	#define IFF_ALLMULTI 0x200 /* receive all multicast packets */
	130	#define IFF_OACTIVE 0x400 /* transmission in progress */
	131	#define IFF_SIMPLEX 0x800 /* can't hear own transmissions */
	132	#define IFF_LINK0 0x1000 /* per link layer defined bit */
	133	#define IFF_LINK1 0x2000 /* per link layer defined bit */
	134	#define IFF_LINK2 0x4000 /* per link layer defined bit */
	135	#define IFF_ALTPHYS IFF_LINK2 /* use alternate physical connection */
	136	#define IFF_MULTICAST 0x8000 /* supports multicast */
984263bc MD	137	#define IFF_POLLING 0x10000 /* Interface is in polling mode. */
984263bc MD	138	#define IFF_PPROMISC 0x20000 /* user-requested promisc mode */
3a593c54	139	#define IFF_MONITOR 0x40000 /* user-requested monitor mode */
07813904	140	#define IFF_STATICARP 0x80000 /* static ARP */
b3a7093f	141	#define IFF_NPOLLING 0x100000 /* ifpoll is used */
984263bc MD	142
	143	/* flags set internally only: */
	144	#define IFF_CANTCHANGE \
	145	(IFF_BROADCAST\|IFF_POINTOPOINT\|IFF_RUNNING\|IFF_OACTIVE\|\
b3a7093f SZ	146	IFF_SIMPLEX\|IFF_MULTICAST\|IFF_ALLMULTI\|IFF_SMART\|IFF_POLLING\|\
b3a7093f SZ	147	IFF_NPOLLING)
984263bc	148
56ba60b1 JS	149	/*
	150	* Some convenience macros used for setting ifi_baudrate.
	151	* XXX 1000 vs. 1024? --thorpej@netbsd.org
	152	*/
	153	#define IF_Kbps(x) ((x) * 1000) /* kilobits/sec. */
	154	#define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */
	155	#define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */
	156
984263bc MD	157	/* Capabilities that interfaces can advertise. */
	158	#define IFCAP_RXCSUM 0x0001 /* can offload checksum on RX */
	159	#define IFCAP_TXCSUM 0x0002 /* can offload checksum on TX */
	160	#define IFCAP_NETCONS 0x0004 /* can be a network console */
56ba60b1 JS	161	#define IFCAP_VLAN_MTU 0x0008 /* VLAN-compatible MTU */
	162	#define IFCAP_VLAN_HWTAGGING 0x0010 /* hardware VLAN tag support */
	163	#define IFCAP_JUMBO_MTU 0x0020 /* 9000 byte MTU support */
d585233c	164	#define IFCAP_RSS 0x0040 /* Receive Side Scaling for IPv4 */
984263bc MD	165
	166	#define IFCAP_HWCSUM (IFCAP_RXCSUM \| IFCAP_TXCSUM)
	167
	168	#define IFQ_MAXLEN 50
	169	#define IFNET_SLOWHZ 1 /* granularity is 1 second */
	170
	171	/*
	172	* Message format for use in obtaining information about interfaces
	173	* from getkerninfo and the routing socket
	174	*/
	175	struct if_msghdr {
	176	u_short ifm_msglen; /* to skip over non-understood messages */
9a7c6212	177	u_char ifm_version; /* future binary compatibility */
984263bc MD	178	u_char ifm_type; /* message type */
	179	int ifm_addrs; /* like rtm_addrs */
	180	int ifm_flags; /* value of if_flags */
	181	u_short ifm_index; /* index for associated ifp */
	182	struct if_data ifm_data;/* statistics and other data about if */
	183	};
	184
	185	/*
	186	* Message format for use in obtaining information about interface addresses
	187	* from getkerninfo and the routing socket
	188	*/
	189	struct ifa_msghdr {
	190	u_short ifam_msglen; /* to skip over non-understood messages */
9a7c6212	191	u_char ifam_version; /* future binary compatibility */
984263bc MD	192	u_char ifam_type; /* message type */
	193	int ifam_addrs; /* like rtm_addrs */
	194	int ifam_flags; /* value of ifa_flags */
	195	u_short ifam_index; /* index for associated ifp */
	196	int ifam_metric; /* value of ifa_metric */
	197	};
	198
	199	/*
	200	* Message format for use in obtaining information about multicast addresses
	201	* from the routing socket
	202	*/
	203	struct ifma_msghdr {
	204	u_short ifmam_msglen; /* to skip over non-understood messages */
9a7c6212	205	u_char ifmam_version; /* future binary compatibility */
984263bc MD	206	u_char ifmam_type; /* message type */
	207	int ifmam_addrs; /* like rtm_addrs */
	208	int ifmam_flags; /* value of ifa_flags */
	209	u_short ifmam_index; /* index for associated ifp */
	210	};
	211
	212	/*
	213	* Message format announcing the arrival or departure of a network interface.
	214	*/
	215	struct if_announcemsghdr {
	216	u_short ifan_msglen; /* to skip over non-understood messages */
	217	u_char ifan_version; /* future binary compatibility */
	218	u_char ifan_type; /* message type */
	219	u_short ifan_index; /* index for associated ifp */
	220	char ifan_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	221	u_short ifan_what; /* what type of announcement */
	222	};
	223
	224	#define IFAN_ARRIVAL 0 /* interface arrival */
	225	#define IFAN_DEPARTURE 1 /* interface departure */
	226
	227	/*
	228	* Interface request structure used for socket
	229	* ioctl's. All interface ioctl's must have parameter
	230	* definitions which begin with ifr_name. The
	231	* remainder may be interface specific.
	232	*/
	233	struct ifreq {
	234	char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	235	union {
	236	struct sockaddr ifru_addr;
	237	struct sockaddr ifru_dstaddr;
	238	struct sockaddr ifru_broadaddr;
	239	short ifru_flags[2];
12b71966	240	short ifru_index;
984263bc MD	241	int ifru_metric;
	242	int ifru_mtu;
	243	int ifru_phys;
	244	int ifru_media;
f23061d4	245	void *ifru_data;
984263bc	246	int ifru_cap[2];
1630efc5	247	int ifru_pollcpu;
984263bc MD	248	} ifr_ifru;
	249	#define ifr_addr ifr_ifru.ifru_addr /* address */
	250	#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
	251	#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
	252	#define ifr_flags ifr_ifru.ifru_flags[0] /* flags (low 16 bits) */
	253	#define ifr_flagshigh ifr_ifru.ifru_flags[1] /* flags (high 16 bits) */
	254	#define ifr_metric ifr_ifru.ifru_metric /* metric */
	255	#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
	256	#define ifr_phys ifr_ifru.ifru_phys /* physical wire */
	257	#define ifr_media ifr_ifru.ifru_media /* physical media */
	258	#define ifr_data ifr_ifru.ifru_data /* for use by interface */
	259	#define ifr_reqcap ifr_ifru.ifru_cap[0] /* requested capabilities */
	260	#define ifr_curcap ifr_ifru.ifru_cap[1] /* current capabilities */
12b71966	261	#define ifr_index ifr_ifru.ifru_index /* interface index */
1630efc5	262	#define ifr_pollcpu ifr_ifru.ifru_pollcpu /* polling(4) cpu */
984263bc MD	263	};
	264
	265	#define _SIZEOF_ADDR_IFREQ(ifr) \
	266	((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
	267	(sizeof(struct ifreq) - sizeof(struct sockaddr) + \
	268	(ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
	269
	270	struct ifaliasreq {
	271	char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	272	struct sockaddr ifra_addr;
	273	struct sockaddr ifra_broadaddr;
	274	struct sockaddr ifra_mask;
	275	};
	276
	277	struct ifmediareq {
	278	char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	279	int ifm_current; /* current media options */
	280	int ifm_mask; /* don't care mask */
	281	int ifm_status; /* media status */
	282	int ifm_active; /* active options */
	283	int ifm_count; /* # entries in ifm_ulist array */
	284	int ifm_ulist; / media words */
	285	};
	286
db37145f SS	287	struct ifdrv {
	288	char ifd_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	289	unsigned long ifd_cmd;
	290	size_t ifd_len;
	291	void *ifd_data;
	292	};
	293
984263bc MD	294	/*
	295	* Structure used to retrieve aux status data from interfaces.
	296	* Kernel suppliers to this interface should respect the formatting
	297	* needed by ifconfig(8): each line starts with a TAB and ends with
	298	* a newline. The canonical example to copy and paste is in if_tun.c.
	299	*/
	300
	301	#define IFSTATMAX 800 /* 10 lines of text */
	302	struct ifstat {
	303	char ifs_name[IFNAMSIZ]; /* if name, e.g. "en0" */
	304	char ascii[IFSTATMAX + 1];
	305	};
	306
	307	/*
	308	* Structure used in SIOCGIFCONF request.
	309	* Used to retrieve interface configuration
	310	* for machine (useful for programs which
	311	* must know all networks accessible).
	312	*/
	313	struct ifconf {
	314	int ifc_len; /* size of associated buffer */
	315	union {
	316	caddr_t ifcu_buf;
	317	struct ifreq *ifcu_req;
	318	} ifc_ifcu;
	319	#define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
	320	#define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
	321	};
	322
	323
	324	/*
	325	* Structure for SIOC[AGD]LIFADDR
	326	*/
	327	struct if_laddrreq {
	328	char iflr_name[IFNAMSIZ];
	329	u_int flags;
	330	#define IFLR_PREFIX 0x8000 /* in: prefix given out: kernel fills id */
	331	u_int prefixlen; /* in/out */
	332	struct sockaddr_storage addr; /* in/out */
	333	struct sockaddr_storage dstaddr; /* out */
	334	};
	335
984263bc MD	336	#ifndef _KERNEL
	337	struct if_nameindex {
	338	u_int if_index; /* 1, 2, ... */
f15db79e	339	const char if_name; / null terminated name: "le0", ... */
984263bc MD	340	};
	341
	342	__BEGIN_DECLS
158abb01	343	u_int if_nametoindex (const char *);
9913eb5a	344	char if_indextoname(u_int, char );
158abb01 RG	345	struct if_nameindex *if_nameindex (void);
158abb01 RG	346	void if_freenameindex (struct if_nameindex *);
984263bc MD	347	__END_DECLS
	348	#endif
	349
	350	#ifdef _KERNEL
dadab5e9	351	struct thread;
87de5057	352	struct ucred;
984263bc	353
87de5057	354	int prison_if (struct ucred cred, struct sockaddr sa);
984263bc MD	355
	356	/* XXX - this should go away soon. */
	357	#include <net/if_var.h>
	358	#endif
	359
	360	#endif /* !_NET_IF_H_ */