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- /*
- * Copyright (c) 1985, 1986, 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.
- *
- * @(#)in_var.h 8.2 (Berkeley) 1/9/95
- */
-
- #ifndef _NETINET_IN_VAR_H
- #define _NETINET_IN_VAR_H
-
- #ifndef _NETINET_IN_H
- #include <netinet/in.h>
- #endif /* _NETINET_IN_H */
-
- #ifndef _NET_IF_H
- #include <net/if.h>
- #endif /* _NET_IF_H */
-
- /*
- * Interface address, Internet version. One of these structures
- * is allocated for each interface with an Internet address.
- * The ifaddr structure contains the protocol-independent part
- * of the structure and is assumed to be first.
- */
- struct in_ifaddr {
- struct ifaddr ia_ifa; /* protocol-independent info */
- #define ia_ifp ia_ifa.ifa_ifp
- #define ia_flags ia_ifa.ifa_flags
- /* ia_{,sub}net{,mask} in host order */
- ULONG ia_net; /* network number of interface */
- ULONG ia_netmask; /* mask of net part */
- ULONG ia_subnet; /* subnet number, including net */
- ULONG ia_subnetmask; /* mask of subnet part */
- struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
- struct in_ifaddr *ia_next; /* next in list of internet addresses */
- struct sockaddr_in ia_addr; /* reserve space for interface name */
- struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
- #define ia_broadaddr ia_dstaddr
- struct sockaddr_in ia_sockmask; /* reserve space for general netmask */
- struct in_multi *ia_multiaddrs; /* list of multicast addresses */
- };
-
- struct in_aliasreq {
- UBYTE ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
- struct sockaddr_in ifra_addr;
- struct sockaddr_in ifra_broadaddr;
- #define ifra_dstaddr ifra_broadaddr
- struct sockaddr_in ifra_mask;
- };
- /*
- * Given a pointer to an in_ifaddr (ifaddr),
- * return a pointer to the addr as a sockaddr_in.
- */
- #define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
-
- #define IN_LNAOF(in, ifa) \
- ((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
-
-
- /*
- * Internet multicast address structure. There is one of these for each IP
- * multicast group to which this host belongs on a given network interface.
- * They are kept in a linked list, rooted in the interface's in_ifaddr
- * structure.
- */
- struct in_multi {
- struct in_addr inm_addr; /* IP multicast address */
- struct ifnet *inm_ifp; /* back pointer to ifnet */
- struct in_ifaddr *inm_ia; /* back pointer to in_ifaddr */
- ULONG inm_refcount; /* no. membership claims by sockets */
- ULONG inm_timer; /* IGMP membership report timer */
- struct in_multi *inm_next; /* ptr to next multicast address */
- };
-
- #endif /* _NETINET_IN_VAR_H */
-