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Annotation of 43BSD/sys/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.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)in_var.h    7.1 (Berkeley) 6/5/86
                      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

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