* Copyright (c) 1985, 1986 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)in_var.h 7.4 (Berkeley) %G%
* Interface address, Internet version. One of these structures
* is allocated for each interface with an Internet address.
* The ifaddr structure contains the protocol-independent part
* of the structure and is assumed to be first.
struct ifaddr ia_ifa
; /* protocol-independent info */
#define ia_ifp ia_ifa.ifa_ifp
/* ia_{,sub}net{,mask} in host order */
u_long ia_net
; /* network number of interface */
u_long ia_netmask
; /* mask of net part */
u_long ia_subnet
; /* subnet number, including net */
u_long ia_subnetmask
; /* mask of subnet part */
struct in_addr ia_netbroadcast
; /* to recognize net broadcasts */
struct in_ifaddr
*ia_next
; /* next in list of internet addresses */
struct sockaddr_in ia_addr
; /* reserve space for interface name */
struct sockaddr_in ia_dstaddr
; /* reserve space for broadcast addr */
#define ia_broadaddr ia_dstaddr
struct sockaddr_in ia_sockmask
; /* reserve space for general netmask */
char ifra_name
[IFNAMSIZ
]; /* if name, e.g. "en0" */
struct sockaddr_in ifra_addr
;
struct sockaddr_in ifra_broadaddr
;
#define ifra_dstaddr ifra_broadaddr
struct sockaddr_in ifra_mask
;
* Given a pointer to an in_ifaddr (ifaddr),
* return a pointer to the addr as a sockadd_in.
#define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
#define IFA_ROUTE 0x01 /* routing entry installed */
struct in_ifaddr
*in_ifaddr
;
struct in_ifaddr
*in_iaonnetof();
struct ifqueue ipintrq
; /* ip packet input queue */