1 /*-
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. 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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)in_systm.h 8.1 (Berkeley) 6/10/93
30 * $FreeBSD: src/sys/netinet/in_systm.h,v 1.12 2005/01/07 01:45:44 imp Exp $
31 */
32
33 #ifndef _NETINET_IN_SYSTM_H_
34 #define _NETINET_IN_SYSTM_H_
35
36 /*
37 * Miscellaneous internetwork
38 * definitions for kernel.
39 */
40
41 /*
42 * Network types.
43 *
44 * Internally the system keeps counters in the headers with the bytes
45 * swapped so that VAX instructions will work on them. It reverses
46 * the bytes before transmission at each protocol level. The n_ types
47 * represent the types with the bytes in ``high-ender'' order.
48 */
49 typedef u_int16_t n_short; /* short as received from the net */
50 typedef u_int32_t n_long; /* long as received from the net */
51
52 typedef u_int32_t n_time; /* ms since 00:00 GMT, byte rev */
53
54 #ifdef _KERNEL
55 n_time iptime(void);
56 #endif
57
58 #endif
59
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