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 are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)in_var.h 7.3 (Berkeley) 06/29/88 18 */ 19 20 /* 21 * Interface address, Internet version. One of these structures 22 * is allocated for each interface with an Internet address. 23 * The ifaddr structure contains the protocol-independent part 24 * of the structure and is assumed to be first. 25 */ 26 struct in_ifaddr { 27 struct ifaddr ia_ifa; /* protocol-independent info */ 28 #define ia_addr ia_ifa.ifa_addr 29 #define ia_broadaddr ia_ifa.ifa_broadaddr 30 #define ia_dstaddr ia_ifa.ifa_dstaddr 31 #define ia_ifp ia_ifa.ifa_ifp 32 u_long ia_net; /* network number of interface */ 33 u_long ia_netmask; /* mask of net part */ 34 u_long ia_subnet; /* subnet number, including net */ 35 u_long ia_subnetmask; /* mask of net + subnet */ 36 struct in_addr ia_netbroadcast; /* broadcast addr for (logical) net */ 37 int ia_flags; 38 struct in_ifaddr *ia_next; /* next in list of internet addresses */ 39 }; 40 /* 41 * Given a pointer to an in_ifaddr (ifaddr), 42 * return a pointer to the addr as a sockadd_in. 43 */ 44 #define IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr)) 45 /* 46 * ia_flags 47 */ 48 #define IFA_ROUTE 0x01 /* routing entry installed */ 49 50 #ifdef KERNEL 51 struct in_ifaddr *in_ifaddr; 52 struct in_ifaddr *in_iaonnetof(); 53 struct ifqueue ipintrq; /* ip packet input queue */ 54 #endif 55