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 * from: @(#)in_var.h 7.6 (Berkeley) 6/28/90 34 * $Id: in_var.h,v 1.3 1993/05/20 03:50:13 cgd Exp $ 35 */ 36 37 #ifndef _NETINET_IN_VAR_H_ 38 #define _NETINET_IN_VAR_H_ 39 40 /* 41 * Interface address, Internet version. One of these structures 42 * is allocated for each interface with an Internet address. 43 * The ifaddr structure contains the protocol-independent part 44 * of the structure and is assumed to be first. 45 */ 46 struct in_ifaddr { 47 struct ifaddr ia_ifa; /* protocol-independent info */ 48 #define ia_ifp ia_ifa.ifa_ifp 49 #define ia_flags ia_ifa.ifa_flags 50 /* ia_{,sub}net{,mask} in host order */ 51 u_long ia_net; /* network number of interface */ 52 u_long ia_netmask; /* mask of net part */ 53 u_long ia_subnet; /* subnet number, including net */ 54 u_long ia_subnetmask; /* mask of subnet part */ 55 struct in_addr ia_netbroadcast; /* to recognize net broadcasts */ 56 struct in_ifaddr *ia_next; /* next in list of internet addresses */ 57 struct sockaddr_in ia_addr; /* reserve space for interface name */ 58 struct sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */ 59 #define ia_broadaddr ia_dstaddr 60 struct sockaddr_in ia_sockmask; /* reserve space for general netmask */ 61 }; 62 63 struct in_aliasreq { 64 char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 65 struct sockaddr_in ifra_addr; 66 struct sockaddr_in ifra_broadaddr; 67 #define ifra_dstaddr ifra_broadaddr 68 struct sockaddr_in ifra_mask; 69 }; 70 /* 71 * Given a pointer to an in_ifaddr (ifaddr), 72 * return a pointer to the addr as a sockaddr_in. 73 */ 74 #define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr)) 75 76 #ifdef KERNEL 77 struct in_ifaddr *in_ifaddr; 78 struct in_ifaddr *in_iaonnetof(); 79 struct ifqueue ipintrq; /* ip packet input queue */ 80 #endif 81 82 #endif /* !_NETINET_IN_VAR_H_ */ 83