247 lines
9.0 KiB
C
247 lines
9.0 KiB
C
/*
|
|
* 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
|
|
* $Id: if.h,v 1.54 1999/06/19 18:42:27 phk 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 <sys/time.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 */
|
|
};
|
|
|
|
#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 */
|
|
|
|
/* flags set internally only: */
|
|
#define IFF_CANTCHANGE \
|
|
(IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
|
|
IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART)
|
|
|
|
#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[2];
|
|
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[0] /* flags */
|
|
#define ifr_prevflags ifr_ifru.ifru_flags[1] /* 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 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
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_IFADDR);
|
|
MALLOC_DECLARE(M_IFMADDR);
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef KERNEL
|
|
struct proc;
|
|
|
|
int prison_if __P((struct proc *p, struct sockaddr *sa));
|
|
|
|
/* XXX - this should go away soon. */
|
|
#include <net/if_var.h>
|
|
#endif
|
|
|
|
#endif /* !_NET_IF_H_ */
|