|
|
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
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.