77 lines
3.3 KiB
C
77 lines
3.3 KiB
C
/*
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* Copyright (c) 1985, 1986 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in_var.h 7.6 (Berkeley) 6/28/90
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*/
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/*
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* Interface address, Internet version. One of these structures
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* is allocated for each interface with an Internet address.
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* The ifaddr structure contains the protocol-independent part
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* of the structure and is assumed to be first.
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*/
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struct in_ifaddr {
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struct ifaddr ia_ifa; /* protocol-independent info */
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#define ia_ifp ia_ifa.ifa_ifp
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#define ia_flags ia_ifa.ifa_flags
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/* ia_{,sub}net{,mask} in host order */
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u_long ia_net; /* network number of interface */
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u_long ia_netmask; /* mask of net part */
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u_long ia_subnet; /* subnet number, including net */
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u_long ia_subnetmask; /* mask of subnet part */
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struct in_addr ia_netbroadcast; /* to recognize net broadcasts */
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struct in_ifaddr *ia_next; /* next in list of internet addresses */
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struct sockaddr_in ia_addr; /* reserve space for interface name */
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struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
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#define ia_broadaddr ia_dstaddr
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struct sockaddr_in ia_sockmask; /* reserve space for general netmask */
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};
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struct in_aliasreq {
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char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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struct sockaddr_in ifra_addr;
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struct sockaddr_in ifra_broadaddr;
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#define ifra_dstaddr ifra_broadaddr
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struct sockaddr_in ifra_mask;
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};
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/*
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* Given a pointer to an in_ifaddr (ifaddr),
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* return a pointer to the addr as a sockaddr_in.
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*/
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#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
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#ifdef KERNEL
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struct in_ifaddr *in_ifaddr;
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struct in_ifaddr *in_iaonnetof();
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struct ifqueue ipintrq; /* ip packet input queue */
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#endif
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