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- /*
- * Copyright (c) 1982, 1986, 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)if.h 8.1 (Berkeley) 6/10/93
- * $FreeBSD: src/sys/net/if.h,v 1.49.2.1 1999/08/29 16:28:15 peter Exp $
- */
-
- #ifndef _NET_IF_H_
- #define _NET_IF_H_
-
-
- #ifdef WIN32
- typedef char * caddr_t;
- #endif
-
- /*
- * <net/if.h> does not depend on <sys/time.h> on most other systems. This
- * helps userland compatability. (struct timeval ifi_lastchange)
- */
- #ifndef KERNEL
- #ifndef WIN32
- #include <sys/time.h>
- #endif
- #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_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 */
-
- /* flags set internally only: */
- #define IFF_CANTCHANGE \
- (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
- IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
-
- #define IFQ_MAXLEN 50
- #define IFNET_SLOWHZ 1 /* granularity is 1 second */
-
- /*
- * Message format for use in obtaining information about interfaces
- * from getkerninfo and the routing socket
- */
- struct if_msghdr {
- u_short ifm_msglen; /* to skip over non-understood messages */
- u_char ifm_version; /* future binary compatability */
- u_char ifm_type; /* message type */
- int ifm_addrs; /* like rtm_addrs */
- int ifm_flags; /* value of if_flags */
- u_short ifm_index; /* index for associated ifp */
- struct if_data ifm_data;/* statistics and other data about if */
- };
-
- /*
- * Message format for use in obtaining information about interface addresses
- * from getkerninfo and the routing socket
- */
- struct ifa_msghdr {
- u_short ifam_msglen; /* to skip over non-understood messages */
- u_char ifam_version; /* future binary compatability */
- u_char ifam_type; /* message type */
- int ifam_addrs; /* like rtm_addrs */
- int ifam_flags; /* value of ifa_flags */
- u_short ifam_index; /* index for associated ifp */
- int ifam_metric; /* value of ifa_metric */
- };
-
- /*
- * Message format for use in obtaining information about multicast addresses
- * from the routing socket
- */
- struct ifma_msghdr {
- u_short ifmam_msglen; /* to skip over non-understood messages */
- u_char ifmam_version; /* future binary compatability */
- u_char ifmam_type; /* message type */
- int ifmam_addrs; /* like rtm_addrs */
- int ifmam_flags; /* value of ifa_flags */
- u_short ifmam_index; /* index for associated ifp */
- };
-
- /*
- * Interface request structure used for socket
- * ioctl's. All interface ioctl's must have parameter
- * definitions which begin with ifr_name. The
- * remainder may be interface specific.
- */
- struct ifreq {
- #define IFNAMSIZ 16
- char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
- union {
- struct sockaddr ifru_addr;
- struct sockaddr ifru_dstaddr;
- struct sockaddr ifru_broadaddr;
- short ifru_flags;
- int ifru_metric;
- int ifru_mtu;
- int ifru_phys;
- int ifru_media;
- caddr_t ifru_data;
- } ifr_ifru;
- #define ifr_addr ifr_ifru.ifru_addr /* address */
- #define ifr_dstaddr ifr_ifru.ifru_dstaddr /* other end of p-to-p link */
- #define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
- #define ifr_flags ifr_ifru.ifru_flags /* flags */
- #define ifr_metric ifr_ifru.ifru_metric /* metric */
- #define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
- #define ifr_phys ifr_ifru.ifru_phys /* physical wire */
- #define ifr_media ifr_ifru.ifru_media /* physical media */
- #define ifr_data ifr_ifru.ifru_data /* for use by interface */
- };
-
- #define _SIZEOF_ADDR_IFREQ(ifr) \
- ((ifr).ifr_addr.sa_len > sizeof(struct sockaddr) ? \
- (sizeof(struct ifreq) - sizeof(struct sockaddr) + \
- (ifr).ifr_addr.sa_len) : sizeof(struct ifreq))
-
- struct ifaliasreq {
- char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
- struct sockaddr ifra_addr;
- struct sockaddr ifra_broadaddr;
- struct sockaddr ifra_mask;
- };
-
- struct ifmediareq {
- char ifm_name[IFNAMSIZ]; /* if name, e.g. "en0" */
- int ifm_current; /* current media options */
- int ifm_mask; /* don't care mask */
- int ifm_status; /* media status */
- int ifm_active; /* active options */
- int ifm_count; /* # entries in ifm_ulist array */
- int *ifm_ulist; /* media words */
- };
- /*
- * Structure used in SIOCGIFCONF request.
- * Used to retrieve interface configuration
- * for machine (useful for programs which
- * must know all networks accessible).
- */
- struct ifconf {
- int ifc_len; /* size of associated buffer */
- union {
- caddr_t ifcu_buf;
- struct ifreq *ifcu_req;
- } ifc_ifcu;
- #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */
- #define ifc_req ifc_ifcu.ifcu_req /* array of structures returned */
- };
-
- #ifdef KERNEL
- #ifdef MALLOC_DECLARE
- MALLOC_DECLARE(M_IFADDR);
- MALLOC_DECLARE(M_IFMADDR);
- #endif
- #endif
-
- /* XXX - this should go away soon */
- #ifdef KERNEL
- #include <net/if_var.h>
- #endif
-
- #endif /* !_NET_IF_H_ */
-