| 1 | /* Modified for emx by hv 1994,1996
|
|---|
| 2 | *
|
|---|
| 3 | * Copyright (c) 1982, 1986 Regents of the University of California.
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * 3. All advertising materials mentioning features or use of this software
|
|---|
| 15 | * must display the following acknowledgement:
|
|---|
| 16 | * This product includes software developed by the University of
|
|---|
| 17 | * California, Berkeley and its contributors.
|
|---|
| 18 | * 4. Neither the name of the University nor the names of its contributors
|
|---|
| 19 | * may be used to endorse or promote products derived from this software
|
|---|
| 20 | * without specific prior written permission.
|
|---|
| 21 | *
|
|---|
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|---|
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 32 | * SUCH DAMAGE.
|
|---|
| 33 | *
|
|---|
| 34 | * from: @(#)ip.h 7.10 (Berkeley) 6/28/90
|
|---|
| 35 | * $Id: ip.h,v 1.4 1994/01/08 21:21:44 mycroft Exp $
|
|---|
| 36 | */
|
|---|
| 37 |
|
|---|
| 38 | #ifndef _NETINET_IP_H_
|
|---|
| 39 | #define _NETINET_IP_H_
|
|---|
| 40 |
|
|---|
| 41 | #ifdef __EMX__
|
|---|
| 42 | #include <machine/endian.h>
|
|---|
| 43 | #endif /* __EMX__ */
|
|---|
| 44 |
|
|---|
| 45 | /*
|
|---|
| 46 | * Definitions for internet protocol version 4.
|
|---|
| 47 | * Per RFC 791, September 1981.
|
|---|
| 48 | */
|
|---|
| 49 | #define IPVERSION 4
|
|---|
| 50 |
|
|---|
| 51 | /*
|
|---|
| 52 | * Structure of an internet header, naked of options.
|
|---|
| 53 | *
|
|---|
| 54 | * We declare ip_len and ip_off to be short, rather than u_short
|
|---|
| 55 | * pragmatically since otherwise unsigned comparisons can result
|
|---|
| 56 | * against negative integers quite easily, and fail in subtle ways.
|
|---|
| 57 | */
|
|---|
| 58 | struct ip {
|
|---|
| 59 | #if BYTE_ORDER == LITTLE_ENDIAN
|
|---|
| 60 | u_char ip_hl:4, /* header length */
|
|---|
| 61 | ip_v:4; /* version */
|
|---|
| 62 | #endif
|
|---|
| 63 | #if BYTE_ORDER == BIG_ENDIAN
|
|---|
| 64 | u_char ip_v:4, /* version */
|
|---|
| 65 | ip_hl:4; /* header length */
|
|---|
| 66 | #endif
|
|---|
| 67 | u_char ip_tos; /* type of service */
|
|---|
| 68 | short ip_len; /* total length */
|
|---|
| 69 | u_short ip_id; /* identification */
|
|---|
| 70 | short ip_off; /* fragment offset field */
|
|---|
| 71 | #define IP_DF 0x4000 /* dont fragment flag */
|
|---|
| 72 | #define IP_MF 0x2000 /* more fragments flag */
|
|---|
| 73 | u_char ip_ttl; /* time to live */
|
|---|
| 74 | u_char ip_p; /* protocol */
|
|---|
| 75 | u_short ip_sum; /* checksum */
|
|---|
| 76 | struct in_addr ip_src,ip_dst; /* source and dest address */
|
|---|
| 77 | };
|
|---|
| 78 |
|
|---|
| 79 | #define IP_MAXPACKET 32767 /* OS2 maximum packet size */
|
|---|
| 80 |
|
|---|
| 81 | /*
|
|---|
| 82 | * Definitions for IP type of service (ip_tos)
|
|---|
| 83 | */
|
|---|
| 84 | #define IPTOS_LOWDELAY 0x10
|
|---|
| 85 | #define IPTOS_THROUGHPUT 0x08
|
|---|
| 86 | #define IPTOS_RELIABILITY 0x04
|
|---|
| 87 |
|
|---|
| 88 | /*
|
|---|
| 89 | * Definitions for IP precedence (also in ip_tos) (hopefully unused)
|
|---|
| 90 | */
|
|---|
| 91 | #define IPTOS_PREC_NETCONTROL 0xe0
|
|---|
| 92 | #define IPTOS_PREC_INTERNETCONTROL 0xc0
|
|---|
| 93 | #define IPTOS_PREC_CRITIC_ECP 0xa0
|
|---|
| 94 | #define IPTOS_PREC_FLASHOVERRIDE 0x80
|
|---|
| 95 | #define IPTOS_PREC_FLASH 0x60
|
|---|
| 96 | #define IPTOS_PREC_IMMEDIATE 0x40
|
|---|
| 97 | #define IPTOS_PREC_PRIORITY 0x20
|
|---|
| 98 | #define IPTOS_PREC_ROUTINE 0x10
|
|---|
| 99 |
|
|---|
| 100 | /*
|
|---|
| 101 | * Definitions for options.
|
|---|
| 102 | */
|
|---|
| 103 | #define IPOPT_COPIED(o) ((o)&0x80)
|
|---|
| 104 | #define IPOPT_CLASS(o) ((o)&0x60)
|
|---|
| 105 | #define IPOPT_NUMBER(o) ((o)&0x1f)
|
|---|
| 106 |
|
|---|
| 107 | #define IPOPT_CONTROL 0x00
|
|---|
| 108 | #define IPOPT_RESERVED1 0x20
|
|---|
| 109 | #define IPOPT_DEBMEAS 0x40
|
|---|
| 110 | #define IPOPT_RESERVED2 0x60
|
|---|
| 111 |
|
|---|
| 112 | #define IPOPT_EOL 0 /* end of option list */
|
|---|
| 113 | #define IPOPT_NOP 1 /* no operation */
|
|---|
| 114 |
|
|---|
| 115 | #define IPOPT_RR 7 /* record packet route */
|
|---|
| 116 | #define IPOPT_TS 68 /* timestamp */
|
|---|
| 117 | #define IPOPT_SECURITY 130 /* provide s,c,h,tcc */
|
|---|
| 118 | #define IPOPT_LSRR 131 /* loose source route */
|
|---|
| 119 | #define IPOPT_SATID 136 /* satnet id */
|
|---|
| 120 | #define IPOPT_SSRR 137 /* strict source route */
|
|---|
| 121 |
|
|---|
| 122 | /*
|
|---|
| 123 | * Offsets to fields in options other than EOL and NOP.
|
|---|
| 124 | */
|
|---|
| 125 | #define IPOPT_OPTVAL 0 /* option ID */
|
|---|
| 126 | #define IPOPT_OLEN 1 /* option length */
|
|---|
| 127 | #define IPOPT_OFFSET 2 /* offset within option */
|
|---|
| 128 | #define IPOPT_MINOFF 4 /* min value of above */
|
|---|
| 129 |
|
|---|
| 130 | /*
|
|---|
| 131 | * Time stamp option structure.
|
|---|
| 132 | */
|
|---|
| 133 | struct ip_timestamp {
|
|---|
| 134 | u_char ipt_code; /* IPOPT_TS */
|
|---|
| 135 | u_char ipt_len; /* size of structure (variable) */
|
|---|
| 136 | u_char ipt_ptr; /* index of current entry */
|
|---|
| 137 | #if BYTE_ORDER == LITTLE_ENDIAN
|
|---|
| 138 | u_char ipt_flg:4, /* flags, see below */
|
|---|
| 139 | ipt_oflw:4; /* overflow counter */
|
|---|
| 140 | #endif
|
|---|
| 141 | #if BYTE_ORDER == BIG_ENDIAN
|
|---|
| 142 | u_char ipt_oflw:4, /* overflow counter */
|
|---|
| 143 | ipt_flg:4; /* flags, see below */
|
|---|
| 144 | #endif
|
|---|
| 145 | union ipt_timestamp {
|
|---|
| 146 | n_long ipt_time[1];
|
|---|
| 147 | struct ipt_ta {
|
|---|
| 148 | struct in_addr ipt_addr;
|
|---|
| 149 | n_long ipt_time;
|
|---|
| 150 | } ipt_ta[1];
|
|---|
| 151 | } ipt_timestamp;
|
|---|
| 152 | };
|
|---|
| 153 |
|
|---|
| 154 | /* flag bits for ipt_flg */
|
|---|
| 155 | #define IPOPT_TS_TSONLY 0 /* timestamps only */
|
|---|
| 156 | #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
|
|---|
| 157 | #define IPOPT_TS_PRESPEC 3 /* specified modules only */
|
|---|
| 158 |
|
|---|
| 159 | /* bits for security (not byte swapped) */
|
|---|
| 160 | #define IPOPT_SECUR_UNCLASS 0x0000
|
|---|
| 161 | #define IPOPT_SECUR_CONFID 0xf135
|
|---|
| 162 | #define IPOPT_SECUR_EFTO 0x789a
|
|---|
| 163 | #define IPOPT_SECUR_MMMM 0xbc4d
|
|---|
| 164 | #define IPOPT_SECUR_RESTR 0xaf13
|
|---|
| 165 | #define IPOPT_SECUR_SECRET 0xd788
|
|---|
| 166 | #define IPOPT_SECUR_TOPSECRET 0x6bc5
|
|---|
| 167 |
|
|---|
| 168 | /*
|
|---|
| 169 | * Internet implementation parameters.
|
|---|
| 170 | */
|
|---|
| 171 | #define MAXTTL 255 /* maximum time to live (seconds) */
|
|---|
| 172 | #define IPFRAGTTL 60 /* time to live for frags, slowhz */
|
|---|
| 173 | #define IPTTLDEC 1 /* subtracted when forwarding */
|
|---|
| 174 |
|
|---|
| 175 | #define IP_MSS 576 /* default maximum segment size */
|
|---|
| 176 |
|
|---|
| 177 | /* hv: this is a new data structure in TCPIPV4; consult IBM's doc for
|
|---|
| 178 | * details (provided they tell anything about it at all)
|
|---|
| 179 | */
|
|---|
| 180 | #ifdef TCPIPV4
|
|---|
| 181 | struct ipstat {
|
|---|
| 182 | long ips_total;
|
|---|
| 183 | long ips_badsum;
|
|---|
| 184 | long ips_tooshort;
|
|---|
| 185 | long ips_toosmall;
|
|---|
| 186 | long ips_badhlen;
|
|---|
| 187 | long ips_badlen;
|
|---|
| 188 | long ips_fragments;
|
|---|
| 189 | long ips_fragdropped;
|
|---|
| 190 | long ips_fragtimeout;
|
|---|
| 191 | long ips_forward;
|
|---|
| 192 | long ips_cantforward;
|
|---|
| 193 | long ips_redirectsent;
|
|---|
| 194 | long ips_ipOutRequests;
|
|---|
| 195 | long ips_ipOutNoRoutes;
|
|---|
| 196 | long ips_ipFragFails;
|
|---|
| 197 | long ips_ipFragOKs;
|
|---|
| 198 | long ips_ipFragCreates;
|
|---|
| 199 | long ips_ipReasmOKs;
|
|---|
| 200 | long ips_ipOutDiscards;
|
|---|
| 201 | long ips_ipInDiscards;
|
|---|
| 202 | long ips_ipInAddrErrors;
|
|---|
| 203 | long ips_ipInDelivers;
|
|---|
| 204 | long ips_ipInUnknownProtos;
|
|---|
| 205 | };
|
|---|
| 206 | #endif
|
|---|
| 207 |
|
|---|
| 208 | #endif /* !_NETINET_IP_H_ */
|
|---|
