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Reactos
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218/* * 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 * documentation and/or other materials provided with the distribution. * 3. 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 8.2 (Berkeley) 6/1/94 * $FreeBSD: src/sys/netinet/ip.h,v 1.16 1999/08/28 00:49:19 peter Exp $ */
#ifndef _NETINET_IP_H_#define _NETINET_IP_H_
/* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. */#define IPVERSION 4
/* A little magic to make the Windows build happy. */#if defined(_MSC_VER) || defined(__MINGW32__)#include <winsock2.h>#include <ws2tcpip.h>#include <time.h>
typedef u_short n_short;typedef u_int n_long;typedef u_int n_time;
#define EMSGSIZE WSAEMSGSIZE#define ENETUNREACH WSAENETUNREACH#define EHOSTUNREACH WSAEHOSTUNREACH#endif
/* * Structure of an internet header, naked of options. */struct ip {#ifdef _IP_VHL u_char ip_vhl; /* version << 4 | header length >> 2 */#else#ifdef __REACTOS__#if BYTE_ORDER == LITTLE_ENDIAN u_char ip_hl : 4, /* header length */ ip_v : 4; /* version */#endif#if BYTE_ORDER == BIG_ENDIAN u_char ip_v : 4, /* version */ ip_hl : 4; /* header length */#endif#else#if BYTE_ORDER == LITTLE_ENDIAN u_int ip_hl:4, /* header length */ ip_v:4; /* version */#endif#if BYTE_ORDER == BIG_ENDIAN u_int ip_v:4, /* version */ ip_hl:4; /* header length */#endif#endif /* __REACTOS__ */#endif /* not _IP_VHL */ u_char ip_tos; /* type of service */ u_short ip_len; /* total length */ u_short ip_id; /* identification */ u_short ip_off; /* fragment offset field */#define IP_RF 0x8000 /* reserved fragment flag */#define IP_DF 0x4000 /* don't fragment flag */#define IP_MF 0x2000 /* more fragments flag */#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ u_char ip_ttl; /* time to live */ u_char ip_p; /* protocol */ u_short ip_sum; /* checksum */ struct in_addr ip_src,ip_dst; /* source and dest address */};
#ifdef _IP_VHL#define IP_MAKE_VHL(v, hl) ((v) << 4 | (hl))#define IP_VHL_HL(vhl) ((vhl) & 0x0f)#define IP_VHL_V(vhl) ((vhl) >> 4)#define IP_VHL_BORING 0x45#endif
#define IP_MAXPACKET 65535 /* maximum packet size */
/* * Definitions for IP type of service (ip_tos) */#define IPTOS_LOWDELAY 0x10#define IPTOS_THROUGHPUT 0x08#define IPTOS_RELIABILITY 0x04#define IPTOS_MINCOST 0x02
/* * Definitions for IP precedence (also in ip_tos) (hopefully unused) */#define IPTOS_PREC_NETCONTROL 0xe0#define IPTOS_PREC_INTERNETCONTROL 0xc0#define IPTOS_PREC_CRITIC_ECP 0xa0#define IPTOS_PREC_FLASHOVERRIDE 0x80#define IPTOS_PREC_FLASH 0x60#define IPTOS_PREC_IMMEDIATE 0x40#define IPTOS_PREC_PRIORITY 0x20#define IPTOS_PREC_ROUTINE 0x00
/* * 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 */#define IPOPT_NOP 1 /* no operation */
#define IPOPT_RR 7 /* record packet route */#define IPOPT_TS 68 /* timestamp */#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */#define IPOPT_LSRR 131 /* loose source route */#define IPOPT_SATID 136 /* satnet id */#define IPOPT_SSRR 137 /* strict source route */#define IPOPT_RA 148 /* router alert */
/* * Offsets to fields in options other than EOL and NOP. */#define IPOPT_OPTVAL 0 /* option ID */#define IPOPT_OLEN 1 /* option length */#define IPOPT_OFFSET 2 /* offset within option */#define IPOPT_MINOFF 4 /* min value of above */
/* * Time stamp option structure. */struct ip_timestamp { u_char ipt_code; /* IPOPT_TS */ u_char ipt_len; /* size of structure (variable) */ u_char ipt_ptr; /* index of current entry */#ifdef __REACTOS__#if BYTE_ORDER == LITTLE_ENDIAN u_char ipt_flg:4, /* flags, see below */ ipt_oflw:4; /* overflow counter */#endif#if BYTE_ORDER == BIG_ENDIAN u_char ipt_oflw:4, /* overflow counter */ ipt_flg:4; /* flags, see below */#endif#else#if BYTE_ORDER == LITTLE_ENDIAN u_int ipt_flg:4, /* flags, see below */ ipt_oflw:4; /* overflow counter */#endif#if BYTE_ORDER == BIG_ENDIAN u_int ipt_oflw:4, /* overflow counter */ ipt_flg:4; /* flags, see below */#endif#endif /* __REACTOS__ */ union ipt_timestamp { n_long ipt_time[1]; struct ipt_ta { struct in_addr ipt_addr; n_long ipt_time; } ipt_ta[1]; } ipt_timestamp;};
/* flag bits for ipt_flg */#define IPOPT_TS_TSONLY 0 /* timestamps only */#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */#define IPOPT_TS_PRESPEC 3 /* specified modules 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. */#define MAXTTL 255 /* maximum time to live (seconds) */#define IPDEFTTL 64 /* default ttl, from RFC 1340 */#define IPFRAGTTL 60 /* time to live for frags, slowhz */#define IPTTLDEC 1 /* subtracted when forwarding */
#define IP_MSS 576 /* default maximum segment size */
#endif