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 */ 54 typedef u_int16_t n_short; /* short as received from the net */ 55 typedef u_int32_t n_long; /* long as received from the net */ 56 57 typedef u_int32_t n_time; /* ms since 00:00 UTC, byte rev */ 58 59 #ifdef _KERNEL 60 struct inpcb; 61 struct ucred; 62 63 int cr_canseeinpcb(struct ucred *cred, struct inpcb *inp); 64 65 uint32_t iptime(void); 66 #endif 67 68 #endif 69