1 /* 2 * Copyright (c) 1985, 1986 Regents of the University of California. 3 * 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 * @(#)in_var.h 7.6 (Berkeley) 6/28/90 34 * 386BSD: $Id: in_var.h,v 1.1 93/01/29 14:35:17 bill Exp $ 35 */ 36 37 /* 38 * Interface address, Internet version. One of these structures 39 * is allocated for each interface with an Internet address. 40 * The ifaddr structure contains the protocol-independent part 41 * of the structure and is assumed to be first. 42 */ 43 struct in_ifaddr { 44 struct ifaddr ia_ifa; /* protocol-independent info */ 45 #define ia_ifp ia_ifa.ifa_ifp 46 #define ia_flags ia_ifa.ifa_flags 47 /* ia_{,sub}net{,mask} in host order */ 48 u_long ia_net; /* network number of interface */ 49 u_long ia_netmask; /* mask of net part */ 50 u_long ia_subnet; /* subnet number, including net */ 51 u_long ia_subnetmask; /* mask of subnet part */ 52 struct in_addr ia_netbroadcast; /* to recognize net broadcasts */ 53 struct in_ifaddr *ia_next; /* next in list of internet addresses */ 54 struct sockaddr_in ia_addr; /* reserve space for interface name */ 55 struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */ 56 #define ia_broadaddr ia_dstaddr 57 struct sockaddr_in ia_sockmask; /* reserve space for general netmask */ 58 }; 59 60 struct in_aliasreq { 61 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 62 struct sockaddr_in ifra_addr; 63 struct sockaddr_in ifra_broadaddr; 64 #define ifra_dstaddr ifra_broadaddr 65 struct sockaddr_in ifra_mask; 66 }; 67 /* 68 * Given a pointer to an in_ifaddr (ifaddr), 69 * return a pointer to the addr as a sockaddr_in. 70 */ 71 #define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr)) 72 73 #ifdef KERNEL 74 struct in_ifaddr *in_ifaddr; 75 struct in_ifaddr *in_iaonnetof(); 76 struct ifqueue ipintrq; /* ip packet input queue */ 77 #endif 78