usr/src/uts/common/netinet/in_var.h

   1 /*
   2  * Copyright (c) 1997-1998 by Sun Microsystems, Inc.
   3  * All rights reserved.
   4  */
   5
   6 /*
   7  * Copyright (c) 1985, 1986 Regents of the University of California.
   8  * All rights reserved.  The Berkeley software License Agreement
   9  * specifies the terms and conditions for redistribution.
  10  */
  11
  12 /*
  13  * Interface address, Internet version.  One of these structures
  14  * is allocated for each interface with an Internet address.
  15  * The ifaddr structure contains the protocol-independent part
  16  * of the structure and is assumed to be first.
  17  */
  18
  19 #ifndef _NETINET_IN_VAR_H
  20 #define _NETINET_IN_VAR_H
  21
  22 #pragma ident   "%Z%%M% %I%     %E% SMI"
  23 /* in_var.h 1.3 88/08/19 SMI; from UCB 7.1 6/5/86       */
  24
  25 #ifdef  __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 struct in_ifaddr {
  30         struct  ifaddr ia_ifa;          /* protocol-independent info */
  31 #define ia_addr ia_ifa.ifa_addr
  32 #define ia_broadaddr    ia_ifa.ifa_broadaddr
  33 #define ia_dstaddr      ia_ifa.ifa_dstaddr
  34 #define ia_ifp          ia_ifa.ifa_ifp
  35         ulong_t ia_net;                 /* network number of interface */
  36         ulong_t ia_netmask;             /* mask of net part */
  37         ulong_t ia_subnet;              /* subnet number, including net */
  38         ulong_t ia_subnetmask;          /* mask of net + subnet */
  39         struct  in_addr ia_netbroadcast; /* broadcast addr for (logical) net */
  40         int     ia_flags;
  41         struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
  42 };
  43 /*
  44  * Given a pointer to an in_ifaddr (ifaddr),
  45  * return a pointer to the addr as a sockadd_in.
  46  */
  47 #define IA_SIN(ia) ((struct sockaddr_in *)(&((struct in_ifaddr *)ia)->ia_addr))
  48 /*
  49  * ia_flags
  50  */
  51 #define IFA_ROUTE       0x01            /* routing entry installed */
  52
  53 #ifdef  __cplusplus
  54 }
  55 #endif
  56
  57 #endif  /* _NETINET_IN_VAR_H */