ip.h revision c152853e6ba5fedcea37f29b291315b3b9b8f3ca
/*
* 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_
#ifdef VBOX_WITH_BSD_REASS
# ifndef RT_OS_WINDOWS
# else
/* XXX: Windows has own queue types declared in winnt.h (should look at them once again) */
# endif
#define VBOX_WITH_BSD_REASS_CKSUM_HACK
/* XXX: Don't forget to import BSD routines csum validation of reassembled packet */
#endif
#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
# endif
# ifndef NTOHS
# endif
# ifndef HTONL
# 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 {
/*
* bitfield types must be u_int8_t for MSVC, otherwise it will use a full dword (for u_int)
*/
#ifdef WORDS_BIGENDIAN
#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
/*
* Definitions for options.
*/
#define IPOPT_COPIED(o) ((o)&0x80)
#define IPOPT_CLASS(o) ((o)&0x60)
#define IPOPT_NUMBER(o) ((o)&0x1f)
#define IPOPT_CONTROL 0x00
#define IPOPT_RESERVED1 0x20
#define IPOPT_DEBMEAS 0x40
#define IPOPT_RESERVED2 0x60
#define IPOPT_EOL 0 /* end of option list */
/*
* Offsets to fields in options other than EOL and NOP.
*/
#define IPOPT_OPTVAL 0 /* option ID */
/*
* Time stamp option structure.
*/
struct ip_timestamp {
/*
* bitfield types must be u_int8_t for MSVC, otherwise it will use a full dword (for u_int)
*/
#ifdef WORDS_BIGENDIAN
#else
#ifdef _MSC_VER
#else
#endif
#endif
union ipt_timestamp {
struct ipt_ta {
} ipt_ta[1];
};
/* flag bits for ipt_flg */
#define IPOPT_TS_TSONLY 0 /* timestamps only */
/* bits for security (not byte swapped) */
#define IPOPT_SECUR_UNCLASS 0x0000
#define IPOPT_SECUR_CONFID 0xf135
#define IPOPT_SECUR_EFTO 0x789a
#define IPOPT_SECUR_MMMM 0xbc4d
#define IPOPT_SECUR_RESTR 0xaf13
#define IPOPT_SECUR_SECRET 0xd788
#define IPOPT_SECUR_TOPSECRET 0x6bc5
/*
* Internet implementation parameters.
*/
#ifdef HAVE_SYS_TYPES32_H /* Overcome some Solaris 2.x junk */
#else
#if SIZEOF_CHAR_P == 4
#else
#endif
#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 {
#ifndef VBOX_WITH_BSD_REASS
#else /* !VBOX_WITH_BSD_REASS */
#endif /* VBOX_WITH_BSD_REASS */
#ifndef VBOX_WITH_BSD_REASS
#else /* !VBOX_WITH_BSD_REASS */
#endif /* VBOX_WITH_BSD_REASS */
};
#ifdef VBOX_WITH_BSD_REASS
/*
* IP datagram reassembly.
*/
#define IPREASS_NHASH_LOG2 6
#define IPREASS_HASH(x,y) \
#endif /* VBOX_WITH_BSD_REASS */
/*
* Ip header, when holding a fragment.
*
* Note: ipf_next must be at same offset as ipq_next above
*/
struct ipasfrag {
#ifdef WORDS_BIGENDIAN
ip_hl:4;
#else
#ifdef _MSC_VER
#else
#endif
ip_v:4;
#endif
/* BUG : u_int changed to u_int8_t.
* sizeof(u_int)==4 on linux 2.0
*/
* to avoid destroying tos (PPPDTRuu);
* copied from (ip_off&IP_MF) */
};
/*
* Structure stored in mbuf in inpcb.ip_options
* and passed to ip_output when ip options are in use.
* The actual length of the options (including ipopt_dst)
* is in m_len.
*/
#define MAX_IPOPTLEN 40
struct ipoption {
};
/*
* Structure attached to inpcb.ip_moptions and
* passed to ip_output when IP multicast options are in use.
*/
struct ipstat_t {
};
#endif