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annotate packages/net/tcpip/current/include/netinet/ip_ip4.h @ 97:ced4577552cd ecos-sw-2000-06-06

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Merge from eCos master repository on 2000-06-06-08:44:00-BST
author jlarmour
date Tue, 06 Jun 2000 08:39:36 +0000
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children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // include/netinet/ip_ip4.h
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4 //
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5 //
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //####BSDCOPYRIGHTBEGIN####
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32 //
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33 // -------------------------------------------
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34 //
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35 // Portions of this software may have been derived from OpenBSD or other sources,
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36 // and are covered by the appropriate copyright disclaimers included herein.
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37 //
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38 // -------------------------------------------
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39 //
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40 //####BSDCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas
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46 // Date: 2000-01-10
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47 // Purpose:
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48 // Description:
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49 //
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55
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56 /* $OpenBSD: ip_ip4.h,v 1.16 1999/12/09 09:02:59 angelos Exp $ */
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57
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58 /*
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59 * The authors of this code are John Ioannidis (ji@tla.org),
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60 * Angelos D. Keromytis (kermit@csd.uch.gr) and
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61 * Niels Provos (provos@physnet.uni-hamburg.de).
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62 *
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63 * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
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64 * in November 1995.
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65 *
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66 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
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67 * by Angelos D. Keromytis.
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68 *
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69 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
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70 * and Niels Provos.
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71 *
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72 * Additional features in 1999 by Angelos D. Keromytis.
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73 *
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74 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
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75 * Angelos D. Keromytis and Niels Provos.
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76 *
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77 * Permission to use, copy, and modify this software without fee
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78 * is hereby granted, provided that this entire notice is included in
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79 * all copies of any software which is or includes a copy or
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80 * modification of this software.
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81 * You may use this code under the GNU public license if you so wish. Please
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82 * contribute changes back to the authors under this freer than GPL license
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83 * so that we may further the use of strong encryption without limitations to
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84 * all.
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85 *
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86 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
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87 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
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88 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
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89 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
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90 * PURPOSE.
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91 */
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92
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93 #ifndef _NETINET_IP_IP4_H_
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94 #define _NETINET_IP_IP4_H_
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95
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96 /*
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97 * IP-inside-IP processing.
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98 * Not quite all the functionality of RFC-1853, but the main idea is there.
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99 */
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100
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101 struct ip4stat
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102 {
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103 u_int32_t ip4s_ipackets; /* total input packets */
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104 u_int32_t ip4s_opackets; /* total output packets */
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105 u_int32_t ip4s_hdrops; /* packet shorter than header shows */
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106 u_int32_t ip4s_qfull;
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107 u_int64_t ip4s_ibytes;
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108 u_int64_t ip4s_obytes;
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109 u_int32_t ip4s_pdrops; /* packet dropped due to policy */
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110 u_int32_t ip4s_spoof; /* IP spoofing attempts */
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111 u_int32_t ip4s_family; /* Protocol family mismatch */
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112 u_int32_t ip4s_unspec; /* Missing tunnel endpoint address */
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113 };
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114
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115 #define IP4_DEFAULT_TTL 0
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116 #define IP4_SAME_TTL -1
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117
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118 /*
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119 * Names for IP4 sysctl objects
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120 */
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121 #define IP4CTL_ALLOW 1 /* accept incoming IP4 packets */
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122 #define IP4CTL_MAXID 2
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123
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124 #define IP4CTL_NAMES { \
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125 { 0, 0 }, \
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126 { "allow", CTLTYPE_INT }, \
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127 }
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128
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129 #ifdef _KERNEL
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130 int ip4_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
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131
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132 extern int ip4_allow;
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133 extern struct ip4stat ip4stat;
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134 #endif
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135
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136 #endif // _NETINET_IP_IP4_H_