ip.h revision 20bc99aa3ad84a338b7a9c1edc14682bce25d761
/* $Id$ */
/** @file
* NAT - IP handling (declarations/defines).
*/
/*
* Copyright (C) 2006-2010 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*
* This code is based on:
*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ip.h 8.1 (Berkeley) 6/10/93
* ip.h,v 1.3 1994/08/21 05:27:30 paul Exp
*/
#ifndef _IP_H_
#define _IP_H_
#include "queue.h"
#ifdef WORDS_BIGENDIAN
# ifndef NTOHL
# define NTOHL(d)
# endif
# ifndef NTOHS
# define NTOHS(d)
# endif
# ifndef HTONL
# define HTONL(d)
# endif
# ifndef HTONS
# define HTONS(d)
# endif
#else
# ifndef NTOHL
# define NTOHL(d) ((d) = RT_N2H_U32((d)))
# endif
# ifndef NTOHS
# endif
# ifndef HTONL
# define HTONL(d) ((d) = RT_H2N_U32((d)))
# endif
# ifndef HTONS
# endif
#endif
/*
* Definitions for internet protocol version 4.
* Per RFC 791, September 1981.
*/
#define IPVERSION 4
/*
* Structure of an internet header, naked of options.
*/
struct ip
{
#ifdef WORDS_BIGENDIAN
# ifdef _MSC_VER
# else
# endif
#else
# ifdef _MSC_VER
# else
# endif
#endif
};
/*
* Definitions for IP type of service (ip_tos)
*/
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
/*
* Time stamp option structure.
*/
struct ip_timestamp
{
#ifdef WORDS_BIGENDIAN
# ifdef _MSC_VER
# else
# endif
#else
# ifdef _MSC_VER
# else
# endif
#endif
union ipt_timestamp
{
struct ipt_ta
{
} ipt_ta[1];
};
/*
* Internet implementation parameters.
*/
#ifdef HAVE_SYS_TYPES32_H /* Overcome some Solaris 2.x junk */
#else
#endif
#if SIZEOF_CHAR_P == 4
typedef struct ipasfrag *ipasfragp_32;
#else
typedef caddr32_t ipasfragp_32;
#endif
/*
* Overlay for ip header used by other protocols (tcp, udp).
*/
struct ipovly
{
};
/*
* Ip reassembly queue structure. Each fragment being reassembled is
* attached to one of these structures. They are timed out after ipq_ttl
* drops to 0, and may also be reclaimed if memory becomes tight.
* size 28 bytes
*/
struct ipq_t
{
};
/*
* IP datagram reassembly.
*/
#define IPREASS_NHASH_LOG2 6
#define IPREASS_HASH(x,y) \
/*
* Structure attached to inpcb.ip_moptions and
* passed to ip_output when IP multicast options are in use.
*/
struct ipstat_t
{
};
#endif