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Annotation of Net2/netinet/in_var.h, revision 1.1.1.1

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

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