in.h revision 114259
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1982, 1986, 1990, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 141541Srgrimes * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by the University of 161541Srgrimes * California, Berkeley and its contributors. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes * 331541Srgrimes * @(#)in.h 8.3 (Berkeley) 1/3/94 3450477Speter * $FreeBSD: head/sys/netinet/in.h 114259 2003-04-29 22:03:46Z mdodd $ 351541Srgrimes */ 361541Srgrimes 372169Spaul#ifndef _NETINET_IN_H_ 382169Spaul#define _NETINET_IN_H_ 392169Spaul 4095336Smike#include <sys/cdefs.h> 4193514Smike#include <sys/_types.h> 4295336Smike#include <machine/endian.h> 4393514Smike 4495336Smike/* Protocols common to RFC 1700, POSIX, and X/Open. */ 4595336Smike#define IPPROTO_IP 0 /* dummy for IP */ 4695336Smike#define IPPROTO_ICMP 1 /* control message protocol */ 4795336Smike#define IPPROTO_TCP 6 /* tcp */ 4895336Smike#define IPPROTO_UDP 17 /* user datagram protocol */ 4995336Smike 5095336Smike#define INADDR_ANY (u_int32_t)0x00000000 5195336Smike#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 5295336Smike 5395336Smike#ifndef _UINT8_T_DECLARED 5495336Smiketypedef __uint8_t uint8_t; 5595336Smike#define _UINT8_T_DECLARED 5695336Smike#endif 5795336Smike 5895336Smike#ifndef _UINT16_T_DECLARED 5995336Smiketypedef __uint16_t uint16_t; 6095336Smike#define _UINT16_T_DECLARED 6195336Smike#endif 6295336Smike 6395336Smike#ifndef _UINT32_T_DECLARED 6495336Smiketypedef __uint32_t uint32_t; 6595336Smike#define _UINT32_T_DECLARED 6695336Smike#endif 6795336Smike 6895336Smike#ifndef _IN_ADDR_T_DECLARED 6995336Smiketypedef uint32_t in_addr_t; 7095336Smike#define _IN_ADDR_T_DECLARED 7195336Smike#endif 7295336Smike 7395336Smike#ifndef _IN_PORT_T_DECLARED 7495336Smiketypedef uint16_t in_port_t; 7595336Smike#define _IN_PORT_T_DECLARED 7695336Smike#endif 7795336Smike 78102227Smike#ifndef _SA_FAMILY_T_DECLARED 79102227Smiketypedef __sa_family_t sa_family_t; 80102227Smike#define _SA_FAMILY_T_DECLARED 8195336Smike#endif 8295336Smike 8395336Smike/* Internet address (a structure for historical reasons). */ 8495336Smike#ifndef _STRUCT_IN_ADDR_DECLARED 8595336Smikestruct in_addr { 8695336Smike in_addr_t s_addr; 8795336Smike}; 8895336Smike#define _STRUCT_IN_ADDR_DECLARED 8995336Smike#endif 9095336Smike 9195336Smike/* Socket address, internet style. */ 9295336Smikestruct sockaddr_in { 9395336Smike uint8_t sin_len; 9495336Smike sa_family_t sin_family; 9595336Smike in_port_t sin_port; 9695336Smike struct in_addr sin_addr; 9795336Smike char sin_zero[8]; 9895336Smike}; 9995336Smike 10095336Smike#ifndef _KERNEL 10195336Smike 10295336Smike#ifndef _BYTEORDER_PROTOTYPED 10395336Smike#define _BYTEORDER_PROTOTYPED 10495336Smike__BEGIN_DECLS 10595336Smikeuint32_t htonl(uint32_t); 10695336Smikeuint16_t htons(uint16_t); 10795336Smikeuint32_t ntohl(uint32_t); 10895336Smikeuint16_t ntohs(uint16_t); 10995336Smike__END_DECLS 11095336Smike#endif 11195336Smike 11295336Smike#ifndef _BYTEORDER_FUNC_DEFINED 11395336Smike#define _BYTEORDER_FUNC_DEFINED 11495336Smike#define htonl(x) __htonl(x) 11595336Smike#define htons(x) __htons(x) 11695336Smike#define ntohl(x) __ntohl(x) 11795336Smike#define ntohs(x) __ntohs(x) 11895336Smike#endif 11995336Smike 12095336Smike#endif /* !_KERNEL */ 12195336Smike 12295336Smike#if __POSIX_VISIBLE >= 200112 12395336Smike#define IPPROTO_RAW 255 /* raw IP packet */ 12495336Smike#define INET_ADDRSTRLEN 16 12595336Smike#endif 12695336Smike 12795336Smike#if __BSD_VISIBLE 1281541Srgrimes/* 1291541Srgrimes * Constants and structures defined by the internet system, 1301541Srgrimes * Per RFC 790, September 1981, and numerous additions. 1311541Srgrimes */ 1321541Srgrimes 1331541Srgrimes/* 13433804Sjulian * Protocols (RFC 1700) 1351541Srgrimes */ 13652904Sshin#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 1371541Srgrimes#define IPPROTO_IGMP 2 /* group mgmt protocol */ 1381541Srgrimes#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 13952904Sshin#define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 14052904Sshin#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 14133804Sjulian#define IPPROTO_ST 7 /* Stream protocol II */ 1421541Srgrimes#define IPPROTO_EGP 8 /* exterior gateway protocol */ 14333804Sjulian#define IPPROTO_PIGP 9 /* private interior gateway */ 14433804Sjulian#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 14533804Sjulian#define IPPROTO_NVPII 11 /* network voice protocol*/ 1461541Srgrimes#define IPPROTO_PUP 12 /* pup */ 14733804Sjulian#define IPPROTO_ARGUS 13 /* Argus */ 14833804Sjulian#define IPPROTO_EMCON 14 /* EMCON */ 14933804Sjulian#define IPPROTO_XNET 15 /* Cross Net Debugger */ 15033804Sjulian#define IPPROTO_CHAOS 16 /* Chaos*/ 15133804Sjulian#define IPPROTO_MUX 18 /* Multiplexing */ 15233804Sjulian#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 15333804Sjulian#define IPPROTO_HMP 20 /* Host Monitoring */ 15433804Sjulian#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 1551541Srgrimes#define IPPROTO_IDP 22 /* xns idp */ 15633804Sjulian#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 15733804Sjulian#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 15833804Sjulian#define IPPROTO_LEAF1 25 /* Leaf-1 */ 15933804Sjulian#define IPPROTO_LEAF2 26 /* Leaf-2 */ 16033804Sjulian#define IPPROTO_RDP 27 /* Reliable Data */ 16133804Sjulian#define IPPROTO_IRTP 28 /* Reliable Transaction */ 1621541Srgrimes#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 16333804Sjulian#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 16433804Sjulian#define IPPROTO_NSP 31 /* Network Services */ 16533804Sjulian#define IPPROTO_INP 32 /* Merit Internodal */ 16633804Sjulian#define IPPROTO_SEP 33 /* Sequential Exchange */ 16733804Sjulian#define IPPROTO_3PC 34 /* Third Party Connect */ 16833804Sjulian#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 16933804Sjulian#define IPPROTO_XTP 36 /* XTP */ 17033804Sjulian#define IPPROTO_DDP 37 /* Datagram Delivery */ 17133804Sjulian#define IPPROTO_CMTP 38 /* Control Message Transport */ 17233804Sjulian#define IPPROTO_TPXX 39 /* TP++ Transport */ 17333804Sjulian#define IPPROTO_IL 40 /* IL transport protocol */ 17452904Sshin#define IPPROTO_IPV6 41 /* IP6 header */ 17533804Sjulian#define IPPROTO_SDRP 42 /* Source Demand Routing */ 17652904Sshin#define IPPROTO_ROUTING 43 /* IP6 routing header */ 17752904Sshin#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 17833804Sjulian#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 17952904Sshin#define IPPROTO_RSVP 46 /* resource reservation */ 18033804Sjulian#define IPPROTO_GRE 47 /* General Routing Encap. */ 18133804Sjulian#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 18233804Sjulian#define IPPROTO_BHA 49 /* BHA */ 18352904Sshin#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 18452904Sshin#define IPPROTO_AH 51 /* IP6 Auth Header */ 18533804Sjulian#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 18633804Sjulian#define IPPROTO_SWIPE 53 /* IP with encryption */ 18733804Sjulian#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 18872486Sasmodai#define IPPROTO_MOBILE 55 /* IP Mobility */ 18972486Sasmodai#define IPPROTO_TLSP 56 /* Transport Layer Security */ 19072486Sasmodai#define IPPROTO_SKIP 57 /* SKIP */ 19152904Sshin#define IPPROTO_ICMPV6 58 /* ICMP6 */ 19252904Sshin#define IPPROTO_NONE 59 /* IP6 no next header */ 19352904Sshin#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 19433804Sjulian#define IPPROTO_AHIP 61 /* any host internal protocol */ 19533804Sjulian#define IPPROTO_CFTP 62 /* CFTP */ 19633804Sjulian#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 19733804Sjulian#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 19833804Sjulian#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 19933804Sjulian#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 20033804Sjulian#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 20133804Sjulian#define IPPROTO_ADFS 68 /* Any distributed FS */ 20233804Sjulian#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 20333804Sjulian#define IPPROTO_VISA 70 /* VISA Protocol */ 20433804Sjulian#define IPPROTO_IPCV 71 /* Packet Core Utility */ 20533804Sjulian#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 20633804Sjulian#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 20733804Sjulian#define IPPROTO_WSN 74 /* Wang Span Network */ 20833804Sjulian#define IPPROTO_PVP 75 /* Packet Video Protocol */ 20933804Sjulian#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 21033804Sjulian#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 21133804Sjulian#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 21233804Sjulian#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 2131541Srgrimes#define IPPROTO_EON 80 /* ISO cnlp */ 21433804Sjulian#define IPPROTO_VMTP 81 /* VMTP */ 21533804Sjulian#define IPPROTO_SVMTP 82 /* Secure VMTP */ 21633804Sjulian#define IPPROTO_VINES 83 /* Banyon VINES */ 21733804Sjulian#define IPPROTO_TTP 84 /* TTP */ 21833804Sjulian#define IPPROTO_IGP 85 /* NSFNET-IGP */ 21933804Sjulian#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 22033814Sjulian#define IPPROTO_TCF 87 /* TCF */ 22133804Sjulian#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 22233804Sjulian#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 22333804Sjulian#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 22433804Sjulian#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 22533804Sjulian#define IPPROTO_MTP 92 /* Multicast Transport */ 22633804Sjulian#define IPPROTO_AX25 93 /* AX.25 Frames */ 22733804Sjulian#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 22833804Sjulian#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 22933804Sjulian#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 23033804Sjulian#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 2311541Srgrimes#define IPPROTO_ENCAP 98 /* encapsulation header */ 23233804Sjulian#define IPPROTO_APES 99 /* any private encr. scheme */ 23333804Sjulian#define IPPROTO_GMTP 100 /* GMTP*/ 23452904Sshin#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 23546420Sluigi/* 101-254: Partly Unassigned */ 23652904Sshin#define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 23746420Sluigi#define IPPROTO_PGM 113 /* PGM */ 23833804Sjulian/* 255: Reserved */ 239106152Sfenner/* BSD Private, local use, namespace incursion, no longer used */ 240106152Sfenner#define IPPROTO_OLD_DIVERT 254 /* OLD divert pseudo-proto */ 2411541Srgrimes#define IPPROTO_MAX 256 2421541Srgrimes 24352904Sshin/* last return value of *_input(), meaning "all job for this pkt is done". */ 24452904Sshin#define IPPROTO_DONE 257 2451541Srgrimes 246106152Sfenner/* Only used internally, so can be outside the range of valid IP protocols. */ 247106152Sfenner#define IPPROTO_DIVERT 258 /* divert pseudo-protocol */ 248106152Sfenner 2491541Srgrimes/* 2501541Srgrimes * Local port number conventions: 25114195Speter * 25214195Speter * When a user does a bind(2) or connect(2) with a port number of zero, 25314195Speter * a non-conflicting local port address is chosen. 25494291Ssilby * The default range is IPPORT_HIFIRSTAUTO through 25594291Ssilby * IPPORT_HILASTAUTO, although that is settable by sysctl. 25614195Speter * 25714195Speter * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 25814195Speter * default assignment range. 25914195Speter * 26014195Speter * The value IP_PORTRANGE_DEFAULT causes the default behavior. 26114195Speter * 26214195Speter * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 26314195Speter * into the "high" range. These are reserved for client outbound connections 26494291Ssilby * which do not want to be filtered by any firewalls. Note that by default 26594291Ssilby * this is the same as IP_PORTRANGE_DEFAULT. 26614195Speter * 26714195Speter * The value IP_PORTRANGE_LOW changes the range to the "low" are 26814195Speter * that is (by convention) restricted to privileged processes. This 26914195Speter * convention is based on "vouchsafe" principles only. It is only secure 27014195Speter * if you trust the remote host to restrict these ports. 27114195Speter * 27214195Speter * The default range of ports and the high range can be changed by 27317541Speter * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 27414195Speter * 27514195Speter * Changing those values has bad security implications if you are 276108533Sschweikh * using a stateless firewall that is allowing packets outside of that 27714195Speter * range in order to allow transparent outgoing connections. 27814195Speter * 27914195Speter * Such a firewall configuration will generally depend on the use of these 28014195Speter * default values. If you change them, you may find your Security 28114195Speter * Administrator looking for you with a heavy object. 28235304Sphk * 28335304Sphk * For a slightly more orthodox text view on this: 28435304Sphk * 28535304Sphk * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 28635304Sphk * 28735304Sphk * port numbers are divided into three ranges: 28835304Sphk * 28935304Sphk * 0 - 1023 Well Known Ports 29035304Sphk * 1024 - 49151 Registered Ports 29135304Sphk * 49152 - 65535 Dynamic and/or Private Ports 29235304Sphk * 29314195Speter */ 29414195Speter 29514195Speter/* 2961541Srgrimes * Ports < IPPORT_RESERVED are reserved for 29714195Speter * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 2981541Srgrimes */ 2991541Srgrimes#define IPPORT_RESERVED 1024 3001541Srgrimes 3011541Srgrimes/* 30294379Ssilby * Default local port range, used by both IP_PORTRANGE_DEFAULT 30394379Ssilby * and IP_PORTRANGE_HIGH. 30413491Speter */ 30535304Sphk#define IPPORT_HIFIRSTAUTO 49152 30635304Sphk#define IPPORT_HILASTAUTO 65535 30713491Speter 30813491Speter/* 30917541Speter * Scanning for a free reserved port return a value below IPPORT_RESERVED, 31017541Speter * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 31117541Speter * 512, but that conflicts with some well-known-services that firewalls may 31217541Speter * have a fit if we use. 31317541Speter */ 31417541Speter#define IPPORT_RESERVEDSTART 600 31517541Speter 31687158Smike#define IPPORT_MAX 65535 31787158Smike 31817541Speter/* 3191541Srgrimes * Definitions of bits in internet address integers. 3201541Srgrimes * On subnets, the decomposition of addresses to host and net parts 3211541Srgrimes * is done according to subnet mask, not the masks here. 3221541Srgrimes */ 32335919Sjb#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 3241541Srgrimes#define IN_CLASSA_NET 0xff000000 3251541Srgrimes#define IN_CLASSA_NSHIFT 24 3261541Srgrimes#define IN_CLASSA_HOST 0x00ffffff 3271541Srgrimes#define IN_CLASSA_MAX 128 3281541Srgrimes 32935919Sjb#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 3301541Srgrimes#define IN_CLASSB_NET 0xffff0000 3311541Srgrimes#define IN_CLASSB_NSHIFT 16 3321541Srgrimes#define IN_CLASSB_HOST 0x0000ffff 3331541Srgrimes#define IN_CLASSB_MAX 65536 3341541Srgrimes 33535919Sjb#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 3361541Srgrimes#define IN_CLASSC_NET 0xffffff00 3371541Srgrimes#define IN_CLASSC_NSHIFT 8 3381541Srgrimes#define IN_CLASSC_HOST 0x000000ff 3391541Srgrimes 34035919Sjb#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 3411541Srgrimes#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 3421541Srgrimes#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 3431541Srgrimes#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 3441541Srgrimes#define IN_MULTICAST(i) IN_CLASSD(i) 3451541Srgrimes 34635919Sjb#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 34735919Sjb#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 3481541Srgrimes 34935919Sjb#define INADDR_LOOPBACK (u_int32_t)0x7f000001 35055205Speter#ifndef _KERNEL 3511541Srgrimes#define INADDR_NONE 0xffffffff /* -1 return */ 3521541Srgrimes#endif 3531541Srgrimes 35435919Sjb#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 35535919Sjb#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 35635919Sjb#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 357114259Smdodd#define INADDR_ALLMDNS_GROUP (u_int32_t)0xe00000fb /* 224.0.0.251 */ 35835919Sjb#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 3591541Srgrimes 3601541Srgrimes#define IN_LOOPBACKNET 127 /* official! */ 3611541Srgrimes 3621541Srgrimes/* 3631541Srgrimes * Options for use with [gs]etsockopt at the IP level. 3641541Srgrimes * First word of comment is data type; bool is stored in int. 3651541Srgrimes */ 3661541Srgrimes#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 3671541Srgrimes#define IP_HDRINCL 2 /* int; header is included with data */ 3681541Srgrimes#define IP_TOS 3 /* int; IP type of service and preced. */ 3691541Srgrimes#define IP_TTL 4 /* int; IP time to live */ 3701541Srgrimes#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 3711541Srgrimes#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 3721541Srgrimes#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 373105651Siedowse#define IP_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ 3741541Srgrimes#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 3751541Srgrimes#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 3761541Srgrimes#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 3771541Srgrimes#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 3781541Srgrimes#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 3791541Srgrimes#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 3802531Swollman#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 3812531Swollman#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 3822531Swollman#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 3839209Swollman#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 3849209Swollman#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 38514195Speter#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 38619622Sfenner#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 38752904Sshin/* for IPSEC */ 38852904Sshin#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 38952904Sshin#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 3901541Srgrimes 39152904Sshin#define IP_FW_ADD 50 /* add a firewall rule to chain */ 39252904Sshin#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 39352904Sshin#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 39452904Sshin#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 39552904Sshin#define IP_FW_GET 54 /* get entire firewall rule chain */ 39652904Sshin#define IP_FW_RESETLOG 55 /* reset logging counters */ 39717758Ssos 39841793Sluigi#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 39941793Sluigi#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 40041793Sluigi#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 40141793Sluigi#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 40241793Sluigi 403114258Smdodd#define IP_RECVTTL 65 /* bool; receive IP TTL w/dgram */ 404114258Smdodd 4051541Srgrimes/* 4061541Srgrimes * Defaults and limits for options 4071541Srgrimes */ 4081541Srgrimes#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 4091541Srgrimes#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 4109209Swollman#define IP_MAX_MEMBERSHIPS 20 /* per socket */ 4111541Srgrimes 4121541Srgrimes/* 4131541Srgrimes * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 4141541Srgrimes */ 4151541Srgrimesstruct ip_mreq { 4161541Srgrimes struct in_addr imr_multiaddr; /* IP multicast address of group */ 4171541Srgrimes struct in_addr imr_interface; /* local IP address of interface */ 4181541Srgrimes}; 4191541Srgrimes 4201541Srgrimes/* 42114195Speter * Argument for IP_PORTRANGE: 42214195Speter * - which range to search when port is unspecified at bind() or connect() 42314195Speter */ 42414195Speter#define IP_PORTRANGE_DEFAULT 0 /* default range */ 42514195Speter#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 42614195Speter#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 42714195Speter 42814195Speter/* 4291541Srgrimes * Definitions for inet sysctl operations. 4301541Srgrimes * 4311541Srgrimes * Third level is protocol number. 4321541Srgrimes * Fourth level is desired variable within that protocol. 4331541Srgrimes */ 43462587Sitojun#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 4351541Srgrimes 4361541Srgrimes#define CTL_IPPROTO_NAMES { \ 4371541Srgrimes { "ip", CTLTYPE_NODE }, \ 4381541Srgrimes { "icmp", CTLTYPE_NODE }, \ 4391541Srgrimes { "igmp", CTLTYPE_NODE }, \ 4401541Srgrimes { "ggp", CTLTYPE_NODE }, \ 4411541Srgrimes { 0, 0 }, \ 4421541Srgrimes { 0, 0 }, \ 4431541Srgrimes { "tcp", CTLTYPE_NODE }, \ 4441541Srgrimes { 0, 0 }, \ 4451541Srgrimes { "egp", CTLTYPE_NODE }, \ 4461541Srgrimes { 0, 0 }, \ 4471541Srgrimes { 0, 0 }, \ 4481541Srgrimes { 0, 0 }, \ 4491541Srgrimes { "pup", CTLTYPE_NODE }, \ 4501541Srgrimes { 0, 0 }, \ 4511541Srgrimes { 0, 0 }, \ 4521541Srgrimes { 0, 0 }, \ 4531541Srgrimes { 0, 0 }, \ 4541541Srgrimes { "udp", CTLTYPE_NODE }, \ 4551541Srgrimes { 0, 0 }, \ 4561541Srgrimes { 0, 0 }, \ 4571541Srgrimes { 0, 0 }, \ 4581541Srgrimes { 0, 0 }, \ 4591541Srgrimes { "idp", CTLTYPE_NODE }, \ 46062587Sitojun { 0, 0 }, \ 46162587Sitojun { 0, 0 }, \ 46262587Sitojun { 0, 0 }, \ 46362587Sitojun { 0, 0 }, \ 46462587Sitojun { 0, 0 }, \ 46562587Sitojun { 0, 0 }, \ 46662587Sitojun { 0, 0 }, \ 46762587Sitojun { 0, 0 }, \ 46862587Sitojun { 0, 0 }, \ 46962587Sitojun { 0, 0 }, \ 47062587Sitojun { 0, 0 }, \ 47162587Sitojun { 0, 0 }, \ 47262587Sitojun { 0, 0 }, \ 47362587Sitojun { 0, 0 }, \ 47462587Sitojun { 0, 0 }, \ 47562587Sitojun { 0, 0 }, \ 47662587Sitojun { 0, 0 }, \ 47762587Sitojun { 0, 0 }, \ 47862587Sitojun { 0, 0 }, \ 47962587Sitojun { 0, 0 }, \ 48062587Sitojun { 0, 0 }, \ 48162587Sitojun { 0, 0 }, \ 48262587Sitojun { 0, 0 }, \ 48362587Sitojun { 0, 0 }, \ 48462587Sitojun { 0, 0 }, \ 48562587Sitojun { 0, 0 }, \ 48662587Sitojun { 0, 0 }, \ 48762587Sitojun { 0, 0 }, \ 48862587Sitojun { "ipsec", CTLTYPE_NODE }, \ 4891541Srgrimes} 4901541Srgrimes 4911541Srgrimes/* 4921541Srgrimes * Names for IP sysctl objects 4931541Srgrimes */ 4941541Srgrimes#define IPCTL_FORWARDING 1 /* act as router */ 4951541Srgrimes#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 4961541Srgrimes#define IPCTL_DEFTTL 3 /* default TTL */ 4971541Srgrimes#ifdef notyet 4981541Srgrimes#define IPCTL_DEFMTU 4 /* default MTU */ 4991541Srgrimes#endif 5005109Swollman#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 5016399Swollman#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 5026399Swollman#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 5037091Swollman#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 5049575Speter#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 50512003Swollman#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 50652904Sshin#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 50729838Swollman#define IPCTL_STATS 12 /* ipstat structure */ 50833440Sguido#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 50952904Sshin#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 51055009Sshin#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 51152904Sshin#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 51252904Sshin#define IPCTL_MAXID 17 5131541Srgrimes 5141541Srgrimes#define IPCTL_NAMES { \ 5151541Srgrimes { 0, 0 }, \ 5161541Srgrimes { "forwarding", CTLTYPE_INT }, \ 5171541Srgrimes { "redirect", CTLTYPE_INT }, \ 5181541Srgrimes { "ttl", CTLTYPE_INT }, \ 5191541Srgrimes { "mtu", CTLTYPE_INT }, \ 5205109Swollman { "rtexpire", CTLTYPE_INT }, \ 5216399Swollman { "rtminexpire", CTLTYPE_INT }, \ 5226399Swollman { "rtmaxcache", CTLTYPE_INT }, \ 5237091Swollman { "sourceroute", CTLTYPE_INT }, \ 5249575Speter { "directed-broadcast", CTLTYPE_INT }, \ 52512003Swollman { "intr-queue-maxlen", CTLTYPE_INT }, \ 52612003Swollman { "intr-queue-drops", CTLTYPE_INT }, \ 52729838Swollman { "stats", CTLTYPE_STRUCT }, \ 52833440Sguido { "accept_sourceroute", CTLTYPE_INT }, \ 52936192Sdg { "fastforwarding", CTLTYPE_INT }, \ 5301541Srgrimes} 5311541Srgrimes 53295336Smike#endif /* __BSD_VISIBLE */ 53395336Smike 53478243Speter#ifdef _KERNEL 53595336Smike 53678243Speterstruct ifnet; struct mbuf; /* forward declarations for Standard C */ 53778243Speter 53892723Salfredint in_broadcast(struct in_addr, struct ifnet *); 53992723Salfredint in_canforward(struct in_addr); 54092723Salfredint in_localaddr(struct in_addr); 54192723Salfredchar *inet_ntoa(struct in_addr); /* in libkern */ 54292723Salfredchar *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 5432169Spaul 544102925Ssobomax#define in_hosteq(s, t) ((s).s_addr == (t).s_addr) 545102925Ssobomax#define in_nullhost(x) ((x).s_addr == INADDR_ANY) 546102925Ssobomax 54784101Sjlemon#define satosin(sa) ((struct sockaddr_in *)(sa)) 54884101Sjlemon#define sintosa(sin) ((struct sockaddr *)(sin)) 54984101Sjlemon#define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 55084101Sjlemon 55195336Smike#endif /* _KERNEL */ 55290868Smike 55395336Smike/* INET6 stuff */ 55495336Smike#if __POSIX_VISIBLE >= 200112 55595336Smike#define __KAME_NETINET_IN_H_INCLUDED_ 55695336Smike#include <netinet6/in6.h> 55795336Smike#undef __KAME_NETINET_IN_H_INCLUDED_ 55891959Smike#endif 55991959Smike 56095336Smike#endif /* !_NETINET_IN_H_*/ 561