1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1982, 1986, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)in_systm.h	8.1 (Berkeley) 6/10/93
32 * $FreeBSD$
33 */
34
35#ifndef _NETINET_IN_SYSTM_H_
36#define _NETINET_IN_SYSTM_H_
37
38/*
39 * Miscellaneous internetwork
40 * definitions for kernel.
41 */
42
43/*
44 * Network types.
45 *
46 * Internally the system keeps counters in the headers with the bytes
47 * swapped so that VAX instructions will work on them.  It reverses
48 * the bytes before transmission at each protocol level.  The n_ types
49 * represent the types with the bytes in ``high-ender'' order. Network
50 * byte order is usually referered to as big-endian these days rather
51 * than high-ender, which sadly invokes an Orson Scott Card novel, or
52 * worse, the movie.
53 */
54typedef u_int16_t n_short;		/* short as received from the net */
55typedef u_int32_t n_long;		/* long as received from the net */
56
57typedef	u_int32_t n_time;		/* ms since 00:00 UTC, byte rev */
58
59#ifdef _KERNEL
60struct inpcb;
61struct ucred;
62
63int	cr_canseeinpcb(struct ucred *cred, struct inpcb *inp);
64
65uint32_t	 iptime(void);
66#endif
67
68#endif
69