| 1 | /* |
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| 2 | * Copyright (c) 1982, 1986, 1990, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 4. Neither the name of the University nor the names of its contributors |
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| 14 | * may be used to endorse or promote products derived from this software |
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| 15 | * without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * @(#)in.h 8.3 (Berkeley) 1/3/94 |
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| 30 | * $FreeBSD: src/sys/netinet/in.h,v 1.91 2005/08/22 16:13:07 andre Exp $ |
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| 31 | */ |
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| 32 | |
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| 33 | |
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| 34 | #ifndef _NETINET_IN_H_ |
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| 35 | #define _NETINET_IN_H_ |
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| 36 | |
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| 37 | #include <rtems/bsdnet/_types.h> |
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| 38 | #include <rtems/endian.h> |
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| 39 | |
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| 40 | #ifndef _IN_ADDR_T_DECLARED |
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| 41 | typedef uint32_t in_addr_t; |
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| 42 | #define _IN_ADDR_T_DECLARED |
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| 43 | #endif |
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| 44 | |
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| 45 | /* Protocols common to RFC 1700, POSIX, and X/Open. */ |
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| 46 | #define IPPROTO_IP 0 /* dummy for IP */ |
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| 47 | #define IPPROTO_ICMP 1 /* control message protocol */ |
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| 48 | #define IPPROTO_TCP 6 /* tcp */ |
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| 49 | #define IPPROTO_UDP 17 /* user datagram protocol */ |
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| 50 | |
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| 51 | #define INADDR_ANY (u_int32_t)0x00000000 |
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| 52 | #define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ |
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| 53 | |
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| 54 | #ifndef _IN_PORT_T_DECLARED |
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| 55 | typedef uint16_t in_port_t; |
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| 56 | #define _IN_PORT_T_DECLARED |
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| 57 | #endif |
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| 58 | |
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| 59 | #ifndef _SA_FAMILY_T_DECLARED |
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| 60 | typedef __sa_family_t sa_family_t; |
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| 61 | #define _SA_FAMILY_T_DECLARED |
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| 62 | #endif |
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| 63 | |
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| 64 | /* Internet address (a structure for historical reasons). */ |
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| 65 | #ifndef _STRUCT_IN_ADDR_DECLARED |
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| 66 | struct in_addr { |
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| 67 | in_addr_t s_addr; |
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| 68 | }; |
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| 69 | #define _STRUCT_IN_ADDR_DECLARED |
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| 70 | #endif |
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| 71 | |
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| 72 | /* Socket address, internet style. */ |
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| 73 | struct sockaddr_in { |
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| 74 | uint8_t sin_len; |
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| 75 | sa_family_t sin_family; |
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| 76 | in_port_t sin_port; |
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| 77 | struct in_addr sin_addr; |
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| 78 | char sin_zero[8]; |
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| 79 | }; |
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| 80 | |
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| 81 | |
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| 82 | /* |
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| 83 | * Constants and structures defined by the internet system, |
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| 84 | * Per RFC 790, September 1981, and numerous additions. |
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| 85 | */ |
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| 86 | |
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| 87 | /* |
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| 88 | * Protocols (RFC 1700) |
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| 89 | */ |
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| 90 | #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ |
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| 91 | #define IPPROTO_IGMP 2 /* group mgmt protocol */ |
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| 92 | #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ |
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| 93 | #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ |
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| 94 | #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ |
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| 95 | #define IPPROTO_ST 7 /* Stream protocol II */ |
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| 96 | #define IPPROTO_EGP 8 /* exterior gateway protocol */ |
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| 97 | #define IPPROTO_PIGP 9 /* private interior gateway */ |
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| 98 | #define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ |
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| 99 | #define IPPROTO_NVPII 11 /* network voice protocol*/ |
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| 100 | #define IPPROTO_PUP 12 /* pup */ |
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| 101 | #define IPPROTO_ARGUS 13 /* Argus */ |
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| 102 | #define IPPROTO_EMCON 14 /* EMCON */ |
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| 103 | #define IPPROTO_XNET 15 /* Cross Net Debugger */ |
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| 104 | #define IPPROTO_CHAOS 16 /* Chaos*/ |
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| 105 | #define IPPROTO_MUX 18 /* Multiplexing */ |
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| 106 | #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ |
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| 107 | #define IPPROTO_HMP 20 /* Host Monitoring */ |
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| 108 | #define IPPROTO_PRM 21 /* Packet Radio Measurement */ |
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| 109 | #define IPPROTO_IDP 22 /* xns idp */ |
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| 110 | #define IPPROTO_TRUNK1 23 /* Trunk-1 */ |
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| 111 | #define IPPROTO_TRUNK2 24 /* Trunk-2 */ |
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| 112 | #define IPPROTO_LEAF1 25 /* Leaf-1 */ |
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| 113 | #define IPPROTO_LEAF2 26 /* Leaf-2 */ |
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| 114 | #define IPPROTO_RDP 27 /* Reliable Data */ |
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| 115 | #define IPPROTO_IRTP 28 /* Reliable Transaction */ |
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| 116 | #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ |
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| 117 | #define IPPROTO_BLT 30 /* Bulk Data Transfer */ |
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| 118 | #define IPPROTO_NSP 31 /* Network Services */ |
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| 119 | #define IPPROTO_INP 32 /* Merit Internodal */ |
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| 120 | #define IPPROTO_SEP 33 /* Sequential Exchange */ |
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| 121 | #define IPPROTO_3PC 34 /* Third Party Connect */ |
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| 122 | #define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ |
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| 123 | #define IPPROTO_XTP 36 /* XTP */ |
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| 124 | #define IPPROTO_DDP 37 /* Datagram Delivery */ |
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| 125 | #define IPPROTO_CMTP 38 /* Control Message Transport */ |
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| 126 | #define IPPROTO_TPXX 39 /* TP++ Transport */ |
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| 127 | #define IPPROTO_IL 40 /* IL transport protocol */ |
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| 128 | #define IPPROTO_IPV6 41 /* IP6 header */ |
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| 129 | #define IPPROTO_SDRP 42 /* Source Demand Routing */ |
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| 130 | #define IPPROTO_ROUTING 43 /* IP6 routing header */ |
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| 131 | #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ |
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| 132 | #define IPPROTO_IDRP 45 /* InterDomain Routing*/ |
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| 133 | #define IPPROTO_RSVP 46 /* resource reservation */ |
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| 134 | #define IPPROTO_GRE 47 /* General Routing Encap. */ |
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| 135 | #define IPPROTO_MHRP 48 /* Mobile Host Routing */ |
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| 136 | #define IPPROTO_BHA 49 /* BHA */ |
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| 137 | #define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ |
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| 138 | #define IPPROTO_AH 51 /* IP6 Auth Header */ |
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| 139 | #define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ |
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| 140 | #define IPPROTO_SWIPE 53 /* IP with encryption */ |
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| 141 | #define IPPROTO_NHRP 54 /* Next Hop Resolution */ |
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| 142 | #define IPPROTO_MOBILE 55 /* IP Mobility */ |
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| 143 | #define IPPROTO_TLSP 56 /* Transport Layer Security */ |
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| 144 | #define IPPROTO_SKIP 57 /* SKIP */ |
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| 145 | #define IPPROTO_ICMPV6 58 /* ICMP6 */ |
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| 146 | #define IPPROTO_NONE 59 /* IP6 no next header */ |
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| 147 | #define IPPROTO_DSTOPTS 60 /* IP6 destination option */ |
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| 148 | #define IPPROTO_AHIP 61 /* any host internal protocol */ |
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| 149 | #define IPPROTO_CFTP 62 /* CFTP */ |
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| 150 | #define IPPROTO_HELLO 63 /* "hello" routing protocol */ |
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| 151 | #define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ |
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| 152 | #define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ |
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| 153 | #define IPPROTO_RVD 66 /* Remote Virtual Disk */ |
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| 154 | #define IPPROTO_IPPC 67 /* Pluribus Packet Core */ |
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| 155 | #define IPPROTO_ADFS 68 /* Any distributed FS */ |
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| 156 | #define IPPROTO_SATMON 69 /* Satnet Monitoring */ |
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| 157 | #define IPPROTO_VISA 70 /* VISA Protocol */ |
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| 158 | #define IPPROTO_IPCV 71 /* Packet Core Utility */ |
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| 159 | #define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ |
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| 160 | #define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ |
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| 161 | #define IPPROTO_WSN 74 /* Wang Span Network */ |
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| 162 | #define IPPROTO_PVP 75 /* Packet Video Protocol */ |
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| 163 | #define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ |
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| 164 | #define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ |
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| 165 | #define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ |
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| 166 | #define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ |
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| 167 | #define IPPROTO_EON 80 /* ISO cnlp */ |
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| 168 | #define IPPROTO_VMTP 81 /* VMTP */ |
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| 169 | #define IPPROTO_SVMTP 82 /* Secure VMTP */ |
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| 170 | #define IPPROTO_VINES 83 /* Banyon VINES */ |
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| 171 | #define IPPROTO_TTP 84 /* TTP */ |
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| 172 | #define IPPROTO_IGP 85 /* NSFNET-IGP */ |
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| 173 | #define IPPROTO_DGP 86 /* dissimilar gateway prot. */ |
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| 174 | #define IPPROTO_TCF 87 /* TCF */ |
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| 175 | #define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ |
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| 176 | #define IPPROTO_OSPFIGP 89 /* OSPFIGP */ |
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| 177 | #define IPPROTO_SRPC 90 /* Strite RPC protocol */ |
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| 178 | #define IPPROTO_LARP 91 /* Locus Address Resoloution */ |
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| 179 | #define IPPROTO_MTP 92 /* Multicast Transport */ |
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| 180 | #define IPPROTO_AX25 93 /* AX.25 Frames */ |
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| 181 | #define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ |
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| 182 | #define IPPROTO_MICP 95 /* Mobile Int.ing control */ |
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| 183 | #define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ |
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| 184 | #define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ |
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| 185 | #define IPPROTO_ENCAP 98 /* encapsulation header */ |
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| 186 | #define IPPROTO_APES 99 /* any private encr. scheme */ |
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| 187 | #define IPPROTO_GMTP 100 /* GMTP*/ |
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| 188 | #define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ |
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| 189 | /* 101-254: Partly Unassigned */ |
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| 190 | #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ |
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| 191 | #define IPPROTO_CARP 112 /* CARP */ |
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| 192 | #define IPPROTO_PGM 113 /* PGM */ |
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| 193 | #define IPPROTO_PFSYNC 240 /* PFSYNC */ |
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| 194 | /* 255: Reserved */ |
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| 195 | /* BSD Private, local use, namespace incursion */ |
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| 196 | #define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ |
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| 197 | #define IPPROTO_RAW 255 /* raw IP packet */ |
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| 198 | #define IPPROTO_MAX 256 |
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| 199 | |
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| 200 | /* |
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| 201 | * Merged from FreeBSD 1.78 of this file so Python compiles. |
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| 202 | * This is a size value for functions such as inet_ntop(). |
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| 203 | */ |
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| 204 | #define INET_ADDRSTRLEN 16 |
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| 205 | |
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| 206 | /* |
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| 207 | * Local port number conventions: |
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| 208 | * |
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| 209 | * When a user does a bind(2) or connect(2) with a port number of zero, |
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| 210 | * a non-conflicting local port address is chosen. |
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| 211 | * The default range is IPPORT_HIFIRSTAUTO through |
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| 212 | * IPPORT_HILASTAUTO, although that is settable by sysctl. |
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| 213 | * |
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| 214 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
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| 215 | * default assignment range. |
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| 216 | * |
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| 217 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
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| 218 | * |
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| 219 | * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers |
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| 220 | * into the "high" range. These are reserved for client outbound connections |
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| 221 | * which do not want to be filtered by any firewalls. |
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| 222 | * |
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| 223 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
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| 224 | * that is (by convention) restricted to privileged processes. This |
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| 225 | * convention is based on "vouchsafe" principles only. It is only secure |
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| 226 | * if you trust the remote host to restrict these ports. |
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| 227 | * |
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| 228 | * The default range of ports and the high range can be changed by |
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| 229 | * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) |
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| 230 | * |
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| 231 | * Changing those values has bad security implications if you are |
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| 232 | * using a stateless firewall that is allowing packets outside of that |
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| 233 | * range in order to allow transparent outgoing connections. |
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| 234 | * |
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| 235 | * Such a firewall configuration will generally depend on the use of these |
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| 236 | * default values. If you change them, you may find your Security |
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| 237 | * Administrator looking for you with a heavy object. |
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| 238 | */ |
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| 239 | |
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| 240 | /* |
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| 241 | * Ports < IPPORT_RESERVED are reserved for |
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| 242 | * privileged processes (e.g. root). (IP_PORTRANGE_LOW) |
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| 243 | * Ports > IPPORT_USERRESERVED are reserved |
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| 244 | * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) |
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| 245 | */ |
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| 246 | #define IPPORT_RESERVED 1024 |
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| 247 | #define IPPORT_USERRESERVED 5000 |
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| 248 | |
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| 249 | /* |
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| 250 | * Default local port range to use by setting IP_PORTRANGE_HIGH |
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| 251 | */ |
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| 252 | #define IPPORT_HIFIRSTAUTO 40000 |
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| 253 | #define IPPORT_HILASTAUTO 44999 |
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| 254 | |
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| 255 | /* |
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| 256 | * Scanning for a free reserved port return a value below IPPORT_RESERVED, |
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| 257 | * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was |
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| 258 | * 512, but that conflicts with some well-known-services that firewalls may |
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| 259 | * have a fit if we use. |
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| 260 | */ |
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| 261 | #define IPPORT_RESERVEDSTART 600 |
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| 262 | /* |
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| 263 | * Definitions of bits in internet address integers. |
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| 264 | * On subnets, the decomposition of addresses to host and net parts |
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| 265 | * is done according to subnet mask, not the masks here. |
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| 266 | */ |
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| 267 | #define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) |
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| 268 | #define IN_CLASSA_NET 0xff000000 |
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| 269 | #define IN_CLASSA_NSHIFT 24 |
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| 270 | #define IN_CLASSA_HOST 0x00ffffff |
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| 271 | #define IN_CLASSA_MAX 128 |
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| 272 | |
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| 273 | #define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) |
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| 274 | #define IN_CLASSB_NET 0xffff0000 |
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| 275 | #define IN_CLASSB_NSHIFT 16 |
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| 276 | #define IN_CLASSB_HOST 0x0000ffff |
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| 277 | #define IN_CLASSB_MAX 65536 |
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| 278 | |
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| 279 | #define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) |
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| 280 | #define IN_CLASSC_NET 0xffffff00 |
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| 281 | #define IN_CLASSC_NSHIFT 8 |
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| 282 | #define IN_CLASSC_HOST 0x000000ff |
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| 283 | |
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| 284 | #define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) |
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| 285 | #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ |
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| 286 | #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ |
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| 287 | #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ |
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| 288 | #define IN_MULTICAST(i) IN_CLASSD(i) |
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| 289 | |
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| 290 | #define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) |
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| 291 | #define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) |
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| 292 | |
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| 293 | #define INADDR_LOOPBACK (u_int32_t)0x7f000001 |
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| 294 | #ifndef _KERNEL |
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| 295 | #define INADDR_NONE 0xffffffff /* -1 return */ |
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| 296 | #endif |
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| 297 | |
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| 298 | #define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ |
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| 299 | #define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ |
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| 300 | #define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ |
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| 301 | #define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ |
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| 302 | |
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| 303 | #define IN_LOOPBACKNET (u_int32_t)127 /* official! */ |
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| 304 | |
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| 305 | /* |
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| 306 | * Options for use with [gs]etsockopt at the IP level. |
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| 307 | * First word of comment is data type; bool is stored in int. |
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| 308 | */ |
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| 309 | #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ |
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| 310 | #define IP_HDRINCL 2 /* int; header is included with data */ |
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| 311 | #define IP_TOS 3 /* int; IP type of service and preced. */ |
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| 312 | #define IP_TTL 4 /* int; IP time to live */ |
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| 313 | #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ |
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| 314 | #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ |
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| 315 | #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ |
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| 316 | #define IP_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ |
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| 317 | #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ |
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| 318 | #define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ |
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| 319 | #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ |
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| 320 | #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ |
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| 321 | #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ |
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| 322 | #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ |
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| 323 | #define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ |
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| 324 | #define IP_RSVP_ON 15 /* enable RSVP in kernel */ |
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| 325 | #define IP_RSVP_OFF 16 /* disable RSVP in kernel */ |
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| 326 | #define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ |
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| 327 | #define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ |
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| 328 | #define IP_PORTRANGE 19 /* int; range to choose for unspec port */ |
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| 329 | #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ |
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| 330 | |
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| 331 | #define IP_FW_ADD 50 /* add a firewall rule to chain */ |
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| 332 | #define IP_FW_DEL 51 /* delete a firewall rule from chain */ |
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| 333 | #define IP_FW_FLUSH 52 /* flush firewall rule chain */ |
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| 334 | #define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ |
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| 335 | #define IP_FW_GET 54 /* get entire firewall rule chain */ |
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| 336 | #define IP_NAT 55 /* set/get NAT opts */ |
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| 337 | |
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| 338 | /* |
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| 339 | * Defaults and limits for options |
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| 340 | */ |
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| 341 | #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ |
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| 342 | #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
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| 343 | #define IP_MAX_MEMBERSHIPS 20 /* per socket */ |
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| 344 | |
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| 345 | /* |
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| 346 | * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. |
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| 347 | */ |
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| 348 | struct ip_mreq { |
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| 349 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
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| 350 | struct in_addr imr_interface; /* local IP address of interface */ |
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| 351 | }; |
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| 352 | |
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| 353 | /* |
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| 354 | * Argument for IP_PORTRANGE: |
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| 355 | * - which range to search when port is unspecified at bind() or connect() |
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| 356 | */ |
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| 357 | #define IP_PORTRANGE_DEFAULT 0 /* default range */ |
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| 358 | #define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
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| 359 | #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
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| 360 | |
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| 361 | /* |
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| 362 | * Definitions for inet sysctl operations. |
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| 363 | * |
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| 364 | * Third level is protocol number. |
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| 365 | * Fourth level is desired variable within that protocol. |
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| 366 | */ |
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| 367 | #define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */ |
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| 368 | |
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| 369 | #define CTL_IPPROTO_NAMES { \ |
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| 370 | { "ip", CTLTYPE_NODE }, \ |
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| 371 | { "icmp", CTLTYPE_NODE }, \ |
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| 372 | { "igmp", CTLTYPE_NODE }, \ |
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| 373 | { "ggp", CTLTYPE_NODE }, \ |
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| 374 | { 0, 0 }, \ |
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| 375 | { 0, 0 }, \ |
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| 376 | { "tcp", CTLTYPE_NODE }, \ |
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| 377 | { 0, 0 }, \ |
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| 378 | { "egp", CTLTYPE_NODE }, \ |
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| 379 | { 0, 0 }, \ |
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| 380 | { 0, 0 }, \ |
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| 381 | { 0, 0 }, \ |
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| 382 | { "pup", CTLTYPE_NODE }, \ |
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| 383 | { 0, 0 }, \ |
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| 384 | { 0, 0 }, \ |
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| 385 | { 0, 0 }, \ |
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| 386 | { 0, 0 }, \ |
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| 387 | { "udp", CTLTYPE_NODE }, \ |
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| 388 | { 0, 0 }, \ |
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| 389 | { 0, 0 }, \ |
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| 390 | { 0, 0 }, \ |
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| 391 | { 0, 0 }, \ |
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| 392 | { "idp", CTLTYPE_NODE }, \ |
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| 393 | } |
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| 394 | |
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| 395 | /* |
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| 396 | * Names for IP sysctl objects |
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| 397 | */ |
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| 398 | #define IPCTL_FORWARDING 1 /* act as router */ |
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| 399 | #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ |
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| 400 | #define IPCTL_DEFTTL 3 /* default TTL */ |
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| 401 | #ifdef notyet |
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| 402 | #define IPCTL_DEFMTU 4 /* default MTU */ |
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| 403 | #endif |
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| 404 | #define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ |
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| 405 | #define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ |
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| 406 | #define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ |
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| 407 | #define IPCTL_SOURCEROUTE 8 /* may perform source routes */ |
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| 408 | #define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ |
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| 409 | #define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ |
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| 410 | #define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ |
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| 411 | #define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ |
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| 412 | #define IPCTL_MAXID 13 |
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| 413 | |
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| 414 | #define IPCTL_NAMES { \ |
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| 415 | { 0, 0 }, \ |
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| 416 | { "forwarding", CTLTYPE_INT }, \ |
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| 417 | { "redirect", CTLTYPE_INT }, \ |
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| 418 | { "ttl", CTLTYPE_INT }, \ |
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| 419 | { "mtu", CTLTYPE_INT }, \ |
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| 420 | { "rtexpire", CTLTYPE_INT }, \ |
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| 421 | { "rtminexpire", CTLTYPE_INT }, \ |
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| 422 | { "rtmaxcache", CTLTYPE_INT }, \ |
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| 423 | { "sourceroute", CTLTYPE_INT }, \ |
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| 424 | { "directed-broadcast", CTLTYPE_INT }, \ |
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| 425 | { "intr-queue-maxlen", CTLTYPE_INT }, \ |
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| 426 | { "intr-queue-drops", CTLTYPE_INT }, \ |
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| 427 | { "accept_sourceroute", CTLTYPE_INT }, \ |
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| 428 | } |
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| 429 | |
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| 430 | |
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| 431 | #ifdef _KERNEL |
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| 432 | |
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| 433 | struct ifnet; struct mbuf; /* forward declarations for Standard C */ |
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| 434 | |
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| 435 | int in_broadcast(struct in_addr, struct ifnet *); |
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| 436 | int in_canforward(struct in_addr); |
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| 437 | int in_cksum(struct mbuf *, int); |
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| 438 | int in_localaddr(struct in_addr); |
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| 439 | char *inet_ntoa(struct in_addr); /* in libkern */ |
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| 440 | |
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| 441 | /* Firewall hooks */ |
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| 442 | struct ip; |
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| 443 | typedef int ip_fw_chk_t(struct ip**, int, struct ifnet*, int, struct mbuf**); |
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| 444 | typedef int ip_fw_ctl_t(int, struct mbuf**); |
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| 445 | extern ip_fw_chk_t *ip_fw_chk_ptr; |
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| 446 | extern ip_fw_ctl_t *ip_fw_ctl_ptr; |
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| 447 | |
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| 448 | /* IP NAT hooks */ |
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| 449 | typedef int ip_nat_t(struct ip**, struct mbuf**, struct ifnet*, int); |
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| 450 | typedef int ip_nat_ctl_t(int, struct mbuf**); |
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| 451 | extern ip_nat_t *ip_nat_ptr; |
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| 452 | extern ip_nat_ctl_t *ip_nat_ctl_ptr; |
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| 453 | #define IP_NAT_IN 0x00000001 |
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| 454 | #define IP_NAT_OUT 0x00000002 |
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| 455 | |
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| 456 | #endif /* _KERNEL */ |
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| 457 | |
|---|
| 458 | #endif /* !_NETINET_IN_H_*/ |
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