1 /* 2 * Copyright (c) 1985, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)in_var.h 7.1 (Berkeley) 06/05/86 7 */ 8 9 /* 10 * Interface address, Internet version. One of these structures 11 * is allocated for each interface with an Internet address. 12 * The ifaddr structure contains the protocol-independent part 13 * of the structure and is assumed to be first. 14 */ 15 struct in_ifaddr { 16 struct ifaddr ia_ifa; /* protocol-independent info */ 17 #define ia_addr ia_ifa.ifa_addr 18 #define ia_broadaddr ia_ifa.ifa_broadaddr 19 #define ia_dstaddr ia_ifa.ifa_dstaddr 20 #define ia_ifp ia_ifa.ifa_ifp 21 u_long ia_net; /* network number of interface */ 22 u_long ia_netmask; /* mask of net part */ 23 u_long ia_subnet; /* subnet number, including net */ 24 u_long ia_subnetmask; /* mask of net + subnet */ 25 struct in_addr ia_netbroadcast; /* broadcast addr for (logical) net */ 26 int ia_flags; 27 struct in_ifaddr *ia_next; /* next in list of internet addresses */ 28 }; 29 /* 30 * Given a pointer to an in_ifaddr (ifaddr), 31 * return a pointer to the addr as a sockadd_in. 32 */ 33 #define IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr)) 34 /* 35 * ia_flags 36 */ 37 #define IFA_ROUTE 0x01 /* routing entry installed */ 38 39 #ifdef KERNEL 40 struct in_ifaddr *in_ifaddr; 41 struct in_ifaddr *in_iaonnetof(); 42 struct ifqueue ipintrq; /* ip packet input queue */ 43 #endif 44