workbench/network/stacks/AROSTCP/bsdsocket/netinet/in_var.h

   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  *      @(#)in_var.h    7.6 (Berkeley) 6/28/90
  34  */
  35
  36 #ifndef IN_VAR_H
  37 #define IN_VAR_H
  38
  39 /*
  40  * Interface address, Internet version.  One of these structures
  41  * is allocated for each interface with an Internet address.
  42  * The ifaddr structure contains the protocol-independent part
  43  * of the structure and is assumed to be first.
  44  */
  45 struct in_ifaddr {
  46         struct  ifaddr ia_ifa;          /* protocol-independent info */
  47 #define ia_ifp          ia_ifa.ifa_ifp
  48 #define ia_flags        ia_ifa.ifa_flags
  49                                         /* ia_{,sub}net{,mask} in host order */
  50         u_long  ia_net;                 /* network number of interface */
  51         u_long  ia_netmask;             /* mask of net part */
  52         u_long  ia_subnet;              /* subnet number, including net */
  53         u_long  ia_subnetmask;          /* mask of subnet part */
  54         struct  in_addr ia_netbroadcast; /* to recognize net broadcasts */
  55         struct  in_ifaddr *ia_next;     /* next in list of internet addresses */
  56         struct  sockaddr_in ia_addr;    /* reserve space for interface name */
  57         struct  sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
  58 #define ia_broadaddr    ia_dstaddr
  59         struct  sockaddr_in ia_sockmask; /* reserve space for general netmask */
  60 };
  61
  62 struct  in_aliasreq {
  63         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
  64         struct  sockaddr_in ifra_addr;
  65         struct  sockaddr_in ifra_broadaddr;
  66 #define ifra_dstaddr ifra_broadaddr
  67         struct  sockaddr_in ifra_mask;
  68 };
  69 /*
  70  * Given a pointer to an in_ifaddr (ifaddr),
  71  * return a pointer to the addr as a sockaddr_in.
  72  */
  73 #define IA_SIN(ia) (&(((struct in_ifaddr *)(ia))->ia_addr))
  74
  75 /*#ifdef        KERNEL*/
  76 #if 1
  77 extern struct   in_ifaddr *in_ifaddr;
  78 extern struct   ifqueue ipintrq;                /* ip packet input queue */
  79 #endif
  80
  81 #endif /* !IN_VAR_H */