in.h revision 158563
1139823Simp/*- 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 * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)in.h 8.3 (Berkeley) 1/3/94 3050477Speter * $FreeBSD: head/sys/netinet/in.h 158563 2006-05-14 14:22:49Z bms $ 311541Srgrimes */ 321541Srgrimes 332169Spaul#ifndef _NETINET_IN_H_ 34121498Sume#define _NETINET_IN_H_ 352169Spaul 3695336Smike#include <sys/cdefs.h> 3793514Smike#include <sys/_types.h> 3895336Smike#include <machine/endian.h> 3993514Smike 4095336Smike/* Protocols common to RFC 1700, POSIX, and X/Open. */ 4195336Smike#define IPPROTO_IP 0 /* dummy for IP */ 4295336Smike#define IPPROTO_ICMP 1 /* control message protocol */ 4395336Smike#define IPPROTO_TCP 6 /* tcp */ 4495336Smike#define IPPROTO_UDP 17 /* user datagram protocol */ 4595336Smike 4695336Smike#define INADDR_ANY (u_int32_t)0x00000000 4795336Smike#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 4895336Smike 4995336Smike#ifndef _UINT8_T_DECLARED 5095336Smiketypedef __uint8_t uint8_t; 5195336Smike#define _UINT8_T_DECLARED 5295336Smike#endif 5395336Smike 5495336Smike#ifndef _UINT16_T_DECLARED 5595336Smiketypedef __uint16_t uint16_t; 5695336Smike#define _UINT16_T_DECLARED 5795336Smike#endif 5895336Smike 5995336Smike#ifndef _UINT32_T_DECLARED 6095336Smiketypedef __uint32_t uint32_t; 6195336Smike#define _UINT32_T_DECLARED 6295336Smike#endif 6395336Smike 6495336Smike#ifndef _IN_ADDR_T_DECLARED 6595336Smiketypedef uint32_t in_addr_t; 6695336Smike#define _IN_ADDR_T_DECLARED 6795336Smike#endif 6895336Smike 6995336Smike#ifndef _IN_PORT_T_DECLARED 7095336Smiketypedef uint16_t in_port_t; 7195336Smike#define _IN_PORT_T_DECLARED 7295336Smike#endif 7395336Smike 74102227Smike#ifndef _SA_FAMILY_T_DECLARED 75102227Smiketypedef __sa_family_t sa_family_t; 76102227Smike#define _SA_FAMILY_T_DECLARED 7795336Smike#endif 7895336Smike 7995336Smike/* Internet address (a structure for historical reasons). */ 8095336Smike#ifndef _STRUCT_IN_ADDR_DECLARED 8195336Smikestruct in_addr { 8295336Smike in_addr_t s_addr; 8395336Smike}; 8495336Smike#define _STRUCT_IN_ADDR_DECLARED 8595336Smike#endif 8695336Smike 8795336Smike/* Socket address, internet style. */ 8895336Smikestruct sockaddr_in { 8995336Smike uint8_t sin_len; 9095336Smike sa_family_t sin_family; 9195336Smike in_port_t sin_port; 9295336Smike struct in_addr sin_addr; 9395336Smike char sin_zero[8]; 9495336Smike}; 9595336Smike 9695336Smike#ifndef _KERNEL 9795336Smike 9895336Smike#ifndef _BYTEORDER_PROTOTYPED 9995336Smike#define _BYTEORDER_PROTOTYPED 10095336Smike__BEGIN_DECLS 10195336Smikeuint32_t htonl(uint32_t); 10295336Smikeuint16_t htons(uint16_t); 10395336Smikeuint32_t ntohl(uint32_t); 10495336Smikeuint16_t ntohs(uint16_t); 10595336Smike__END_DECLS 10695336Smike#endif 10795336Smike 10895336Smike#ifndef _BYTEORDER_FUNC_DEFINED 10995336Smike#define _BYTEORDER_FUNC_DEFINED 11095336Smike#define htonl(x) __htonl(x) 11195336Smike#define htons(x) __htons(x) 11295336Smike#define ntohl(x) __ntohl(x) 11395336Smike#define ntohs(x) __ntohs(x) 11495336Smike#endif 11595336Smike 11695336Smike#endif /* !_KERNEL */ 11795336Smike 11895336Smike#if __POSIX_VISIBLE >= 200112 11995336Smike#define IPPROTO_RAW 255 /* raw IP packet */ 12095336Smike#define INET_ADDRSTRLEN 16 12195336Smike#endif 12295336Smike 12395336Smike#if __BSD_VISIBLE 1241541Srgrimes/* 1251541Srgrimes * Constants and structures defined by the internet system, 1261541Srgrimes * Per RFC 790, September 1981, and numerous additions. 1271541Srgrimes */ 1281541Srgrimes 1291541Srgrimes/* 13033804Sjulian * Protocols (RFC 1700) 1311541Srgrimes */ 13252904Sshin#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 1331541Srgrimes#define IPPROTO_IGMP 2 /* group mgmt protocol */ 1341541Srgrimes#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 135133874Srwatson#define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 136133874Srwatson#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 13733804Sjulian#define IPPROTO_ST 7 /* Stream protocol II */ 1381541Srgrimes#define IPPROTO_EGP 8 /* exterior gateway protocol */ 13933804Sjulian#define IPPROTO_PIGP 9 /* private interior gateway */ 14033804Sjulian#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 14133804Sjulian#define IPPROTO_NVPII 11 /* network voice protocol*/ 1421541Srgrimes#define IPPROTO_PUP 12 /* pup */ 14333804Sjulian#define IPPROTO_ARGUS 13 /* Argus */ 14433804Sjulian#define IPPROTO_EMCON 14 /* EMCON */ 14533804Sjulian#define IPPROTO_XNET 15 /* Cross Net Debugger */ 14633804Sjulian#define IPPROTO_CHAOS 16 /* Chaos*/ 14733804Sjulian#define IPPROTO_MUX 18 /* Multiplexing */ 14833804Sjulian#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 14933804Sjulian#define IPPROTO_HMP 20 /* Host Monitoring */ 15033804Sjulian#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 1511541Srgrimes#define IPPROTO_IDP 22 /* xns idp */ 15233804Sjulian#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 15333804Sjulian#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 15433804Sjulian#define IPPROTO_LEAF1 25 /* Leaf-1 */ 15533804Sjulian#define IPPROTO_LEAF2 26 /* Leaf-2 */ 15633804Sjulian#define IPPROTO_RDP 27 /* Reliable Data */ 15733804Sjulian#define IPPROTO_IRTP 28 /* Reliable Transaction */ 158133874Srwatson#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 15933804Sjulian#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 16033804Sjulian#define IPPROTO_NSP 31 /* Network Services */ 16133804Sjulian#define IPPROTO_INP 32 /* Merit Internodal */ 16233804Sjulian#define IPPROTO_SEP 33 /* Sequential Exchange */ 16333804Sjulian#define IPPROTO_3PC 34 /* Third Party Connect */ 16433804Sjulian#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 16533804Sjulian#define IPPROTO_XTP 36 /* XTP */ 16633804Sjulian#define IPPROTO_DDP 37 /* Datagram Delivery */ 16733804Sjulian#define IPPROTO_CMTP 38 /* Control Message Transport */ 16833804Sjulian#define IPPROTO_TPXX 39 /* TP++ Transport */ 16933804Sjulian#define IPPROTO_IL 40 /* IL transport protocol */ 17052904Sshin#define IPPROTO_IPV6 41 /* IP6 header */ 17133804Sjulian#define IPPROTO_SDRP 42 /* Source Demand Routing */ 17252904Sshin#define IPPROTO_ROUTING 43 /* IP6 routing header */ 17352904Sshin#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 17433804Sjulian#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 175133874Srwatson#define IPPROTO_RSVP 46 /* resource reservation */ 17633804Sjulian#define IPPROTO_GRE 47 /* General Routing Encap. */ 17733804Sjulian#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 17833804Sjulian#define IPPROTO_BHA 49 /* BHA */ 17952904Sshin#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 18052904Sshin#define IPPROTO_AH 51 /* IP6 Auth Header */ 18133804Sjulian#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 18233804Sjulian#define IPPROTO_SWIPE 53 /* IP with encryption */ 18333804Sjulian#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 184133874Srwatson#define IPPROTO_MOBILE 55 /* IP Mobility */ 185133874Srwatson#define IPPROTO_TLSP 56 /* Transport Layer Security */ 186133874Srwatson#define IPPROTO_SKIP 57 /* SKIP */ 18752904Sshin#define IPPROTO_ICMPV6 58 /* ICMP6 */ 18852904Sshin#define IPPROTO_NONE 59 /* IP6 no next header */ 18952904Sshin#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 19033804Sjulian#define IPPROTO_AHIP 61 /* any host internal protocol */ 19133804Sjulian#define IPPROTO_CFTP 62 /* CFTP */ 19233804Sjulian#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 19333804Sjulian#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 19433804Sjulian#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 19533804Sjulian#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 19633804Sjulian#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 19733804Sjulian#define IPPROTO_ADFS 68 /* Any distributed FS */ 19833804Sjulian#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 19933804Sjulian#define IPPROTO_VISA 70 /* VISA Protocol */ 20033804Sjulian#define IPPROTO_IPCV 71 /* Packet Core Utility */ 20133804Sjulian#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 20233804Sjulian#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 20333804Sjulian#define IPPROTO_WSN 74 /* Wang Span Network */ 20433804Sjulian#define IPPROTO_PVP 75 /* Packet Video Protocol */ 20533804Sjulian#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 20633804Sjulian#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 20733804Sjulian#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 20833804Sjulian#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 2091541Srgrimes#define IPPROTO_EON 80 /* ISO cnlp */ 21033804Sjulian#define IPPROTO_VMTP 81 /* VMTP */ 21133804Sjulian#define IPPROTO_SVMTP 82 /* Secure VMTP */ 21233804Sjulian#define IPPROTO_VINES 83 /* Banyon VINES */ 21333804Sjulian#define IPPROTO_TTP 84 /* TTP */ 21433804Sjulian#define IPPROTO_IGP 85 /* NSFNET-IGP */ 21533804Sjulian#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 21633814Sjulian#define IPPROTO_TCF 87 /* TCF */ 21733804Sjulian#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 21833804Sjulian#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 21933804Sjulian#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 22033804Sjulian#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 22133804Sjulian#define IPPROTO_MTP 92 /* Multicast Transport */ 22233804Sjulian#define IPPROTO_AX25 93 /* AX.25 Frames */ 22333804Sjulian#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 22433804Sjulian#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 22533804Sjulian#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 22633804Sjulian#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 2271541Srgrimes#define IPPROTO_ENCAP 98 /* encapsulation header */ 22833804Sjulian#define IPPROTO_APES 99 /* any private encr. scheme */ 22933804Sjulian#define IPPROTO_GMTP 100 /* GMTP*/ 23052904Sshin#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 231153553Sdelphij#define IPPROTO_SCTP 132 /* SCTP */ 23246420Sluigi/* 101-254: Partly Unassigned */ 23352904Sshin#define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 234142215Sglebius#define IPPROTO_CARP 112 /* CARP */ 23546420Sluigi#define IPPROTO_PGM 113 /* PGM */ 236130609Smlaier#define IPPROTO_PFSYNC 240 /* PFSYNC */ 23733804Sjulian/* 255: Reserved */ 238106152Sfenner/* BSD Private, local use, namespace incursion, no longer used */ 239106152Sfenner#define IPPROTO_OLD_DIVERT 254 /* OLD divert pseudo-proto */ 2401541Srgrimes#define IPPROTO_MAX 256 2411541Srgrimes 24252904Sshin/* last return value of *_input(), meaning "all job for this pkt is done". */ 24352904Sshin#define IPPROTO_DONE 257 2441541Srgrimes 245106152Sfenner/* Only used internally, so can be outside the range of valid IP protocols. */ 246106152Sfenner#define IPPROTO_DIVERT 258 /* divert pseudo-protocol */ 247106152Sfenner 2481541Srgrimes/* 249136712Sandre * Defined to avoid confusion. The master value is defined by 250136712Sandre * PROTO_SPACER in sys/protosw.h. 251136712Sandre */ 252136712Sandre#define IPPROTO_SPACER 32767 /* spacer for loadable protos */ 253136712Sandre 254136712Sandre/* 2551541Srgrimes * Local port number conventions: 25614195Speter * 25714195Speter * When a user does a bind(2) or connect(2) with a port number of zero, 25814195Speter * a non-conflicting local port address is chosen. 25994291Ssilby * The default range is IPPORT_HIFIRSTAUTO through 26094291Ssilby * IPPORT_HILASTAUTO, although that is settable by sysctl. 26114195Speter * 26214195Speter * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 26314195Speter * default assignment range. 26414195Speter * 26514195Speter * The value IP_PORTRANGE_DEFAULT causes the default behavior. 26614195Speter * 26714195Speter * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 26814195Speter * into the "high" range. These are reserved for client outbound connections 26994291Ssilby * which do not want to be filtered by any firewalls. Note that by default 27094291Ssilby * this is the same as IP_PORTRANGE_DEFAULT. 27114195Speter * 27214195Speter * The value IP_PORTRANGE_LOW changes the range to the "low" are 27314195Speter * that is (by convention) restricted to privileged processes. This 27414195Speter * convention is based on "vouchsafe" principles only. It is only secure 27514195Speter * if you trust the remote host to restrict these ports. 27614195Speter * 27714195Speter * The default range of ports and the high range can be changed by 27817541Speter * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 27914195Speter * 28014195Speter * Changing those values has bad security implications if you are 281108533Sschweikh * using a stateless firewall that is allowing packets outside of that 28214195Speter * range in order to allow transparent outgoing connections. 28314195Speter * 28414195Speter * Such a firewall configuration will generally depend on the use of these 28514195Speter * default values. If you change them, you may find your Security 28614195Speter * Administrator looking for you with a heavy object. 28735304Sphk * 28835304Sphk * For a slightly more orthodox text view on this: 28935304Sphk * 29035304Sphk * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 29135304Sphk * 29235304Sphk * port numbers are divided into three ranges: 29335304Sphk * 29435304Sphk * 0 - 1023 Well Known Ports 29535304Sphk * 1024 - 49151 Registered Ports 29635304Sphk * 49152 - 65535 Dynamic and/or Private Ports 29735304Sphk * 29814195Speter */ 29914195Speter 30014195Speter/* 3011541Srgrimes * Ports < IPPORT_RESERVED are reserved for 30214195Speter * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 3031541Srgrimes */ 3041541Srgrimes#define IPPORT_RESERVED 1024 3051541Srgrimes 3061541Srgrimes/* 30794379Ssilby * Default local port range, used by both IP_PORTRANGE_DEFAULT 30894379Ssilby * and IP_PORTRANGE_HIGH. 30913491Speter */ 31035304Sphk#define IPPORT_HIFIRSTAUTO 49152 31135304Sphk#define IPPORT_HILASTAUTO 65535 31213491Speter 31313491Speter/* 31417541Speter * Scanning for a free reserved port return a value below IPPORT_RESERVED, 31517541Speter * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 31617541Speter * 512, but that conflicts with some well-known-services that firewalls may 31717541Speter * have a fit if we use. 31817541Speter */ 319133874Srwatson#define IPPORT_RESERVEDSTART 600 32017541Speter 32187158Smike#define IPPORT_MAX 65535 32287158Smike 32317541Speter/* 3241541Srgrimes * Definitions of bits in internet address integers. 3251541Srgrimes * On subnets, the decomposition of addresses to host and net parts 3261541Srgrimes * is done according to subnet mask, not the masks here. 3271541Srgrimes */ 32835919Sjb#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 3291541Srgrimes#define IN_CLASSA_NET 0xff000000 3301541Srgrimes#define IN_CLASSA_NSHIFT 24 3311541Srgrimes#define IN_CLASSA_HOST 0x00ffffff 3321541Srgrimes#define IN_CLASSA_MAX 128 3331541Srgrimes 33435919Sjb#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 3351541Srgrimes#define IN_CLASSB_NET 0xffff0000 3361541Srgrimes#define IN_CLASSB_NSHIFT 16 3371541Srgrimes#define IN_CLASSB_HOST 0x0000ffff 3381541Srgrimes#define IN_CLASSB_MAX 65536 3391541Srgrimes 34035919Sjb#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 3411541Srgrimes#define IN_CLASSC_NET 0xffffff00 3421541Srgrimes#define IN_CLASSC_NSHIFT 8 3431541Srgrimes#define IN_CLASSC_HOST 0x000000ff 3441541Srgrimes 34535919Sjb#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 3461541Srgrimes#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 3471541Srgrimes#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 3481541Srgrimes#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 3491541Srgrimes#define IN_MULTICAST(i) IN_CLASSD(i) 3501541Srgrimes 35135919Sjb#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 35235919Sjb#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 3531541Srgrimes 35435919Sjb#define INADDR_LOOPBACK (u_int32_t)0x7f000001 35555205Speter#ifndef _KERNEL 3561541Srgrimes#define INADDR_NONE 0xffffffff /* -1 return */ 3571541Srgrimes#endif 3581541Srgrimes 35935919Sjb#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 36035919Sjb#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 36135919Sjb#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 362142215Sglebius#define INADDR_CARP_GROUP (u_int32_t)0xe0000012 /* 224.0.0.18 */ 363130609Smlaier#define INADDR_PFSYNC_GROUP (u_int32_t)0xe00000f0 /* 224.0.0.240 */ 364114259Smdodd#define INADDR_ALLMDNS_GROUP (u_int32_t)0xe00000fb /* 224.0.0.251 */ 36535919Sjb#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 3661541Srgrimes 3671541Srgrimes#define IN_LOOPBACKNET 127 /* official! */ 3681541Srgrimes 3691541Srgrimes/* 3701541Srgrimes * Options for use with [gs]etsockopt at the IP level. 3711541Srgrimes * First word of comment is data type; bool is stored in int. 3721541Srgrimes */ 3731541Srgrimes#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 3741541Srgrimes#define IP_HDRINCL 2 /* int; header is included with data */ 3751541Srgrimes#define IP_TOS 3 /* int; IP type of service and preced. */ 3761541Srgrimes#define IP_TTL 4 /* int; IP time to live */ 3771541Srgrimes#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 3781541Srgrimes#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 3791541Srgrimes#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 380105651Siedowse#define IP_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ 3811541Srgrimes#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 3821541Srgrimes#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 3831541Srgrimes#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 3841541Srgrimes#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 3851541Srgrimes#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 3861541Srgrimes#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 387133874Srwatson#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 388133874Srwatson#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 389133874Srwatson#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 390133874Srwatson#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 391133874Srwatson#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 392133874Srwatson#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 39319622Sfenner#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 39452904Sshin/* for IPSEC */ 39552904Sshin#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 39652904Sshin#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 3971541Srgrimes 398119178Sbms#define IP_ONESBCAST 23 /* bool: send all-ones broadcast */ 399119178Sbms 400130281Sru#define IP_FW_TABLE_ADD 40 /* add entry */ 401130281Sru#define IP_FW_TABLE_DEL 41 /* delete entry */ 402130281Sru#define IP_FW_TABLE_FLUSH 42 /* flush table */ 403130281Sru#define IP_FW_TABLE_GETSIZE 43 /* get table size */ 404130281Sru#define IP_FW_TABLE_LIST 44 /* list table contents */ 405130281Sru 406133874Srwatson#define IP_FW_ADD 50 /* add a firewall rule to chain */ 407133874Srwatson#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 408133874Srwatson#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 409133874Srwatson#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 410133874Srwatson#define IP_FW_GET 54 /* get entire firewall rule chain */ 41152904Sshin#define IP_FW_RESETLOG 55 /* reset logging counters */ 41217758Ssos 41341793Sluigi#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 41441793Sluigi#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 41541793Sluigi#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 41641793Sluigi#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 41741793Sluigi 418114258Smdodd#define IP_RECVTTL 65 /* bool; receive IP TTL w/dgram */ 419149371Sandre#define IP_MINTTL 66 /* minimum TTL for packet or drop */ 420150594Sandre#define IP_DONTFRAG 67 /* don't fragment packet */ 421114258Smdodd 4221541Srgrimes/* 4231541Srgrimes * Defaults and limits for options 4241541Srgrimes */ 4251541Srgrimes#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 4261541Srgrimes#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 4271541Srgrimes 4281541Srgrimes/* 429158563Sbms * The imo_membership vector for each socket is now dynamically allocated at 430158563Sbms * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized 431158563Sbms * according to a power-of-two increment. 432158563Sbms */ 433158563Sbms#define IP_MIN_MEMBERSHIPS 31 434158563Sbms#define IP_MAX_MEMBERSHIPS 4095 435158563Sbms 436158563Sbms/* 4371541Srgrimes * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 4381541Srgrimes */ 4391541Srgrimesstruct ip_mreq { 4401541Srgrimes struct in_addr imr_multiaddr; /* IP multicast address of group */ 4411541Srgrimes struct in_addr imr_interface; /* local IP address of interface */ 4421541Srgrimes}; 4431541Srgrimes 4441541Srgrimes/* 44514195Speter * Argument for IP_PORTRANGE: 44614195Speter * - which range to search when port is unspecified at bind() or connect() 44714195Speter */ 44814195Speter#define IP_PORTRANGE_DEFAULT 0 /* default range */ 44914195Speter#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 45014195Speter#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 45114195Speter 45214195Speter/* 4531541Srgrimes * Definitions for inet sysctl operations. 4541541Srgrimes * 4551541Srgrimes * Third level is protocol number. 4561541Srgrimes * Fourth level is desired variable within that protocol. 4571541Srgrimes */ 45862587Sitojun#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 4591541Srgrimes 4601541Srgrimes#define CTL_IPPROTO_NAMES { \ 4611541Srgrimes { "ip", CTLTYPE_NODE }, \ 4621541Srgrimes { "icmp", CTLTYPE_NODE }, \ 4631541Srgrimes { "igmp", CTLTYPE_NODE }, \ 4641541Srgrimes { "ggp", CTLTYPE_NODE }, \ 4651541Srgrimes { 0, 0 }, \ 4661541Srgrimes { 0, 0 }, \ 4671541Srgrimes { "tcp", CTLTYPE_NODE }, \ 4681541Srgrimes { 0, 0 }, \ 4691541Srgrimes { "egp", CTLTYPE_NODE }, \ 4701541Srgrimes { 0, 0 }, \ 4711541Srgrimes { 0, 0 }, \ 4721541Srgrimes { 0, 0 }, \ 4731541Srgrimes { "pup", CTLTYPE_NODE }, \ 4741541Srgrimes { 0, 0 }, \ 4751541Srgrimes { 0, 0 }, \ 4761541Srgrimes { 0, 0 }, \ 4771541Srgrimes { 0, 0 }, \ 4781541Srgrimes { "udp", CTLTYPE_NODE }, \ 4791541Srgrimes { 0, 0 }, \ 4801541Srgrimes { 0, 0 }, \ 4811541Srgrimes { 0, 0 }, \ 4821541Srgrimes { 0, 0 }, \ 4831541Srgrimes { "idp", CTLTYPE_NODE }, \ 48462587Sitojun { 0, 0 }, \ 48562587Sitojun { 0, 0 }, \ 48662587Sitojun { 0, 0 }, \ 48762587Sitojun { 0, 0 }, \ 48862587Sitojun { 0, 0 }, \ 48962587Sitojun { 0, 0 }, \ 49062587Sitojun { 0, 0 }, \ 49162587Sitojun { 0, 0 }, \ 49262587Sitojun { 0, 0 }, \ 49362587Sitojun { 0, 0 }, \ 49462587Sitojun { 0, 0 }, \ 49562587Sitojun { 0, 0 }, \ 49662587Sitojun { 0, 0 }, \ 49762587Sitojun { 0, 0 }, \ 49862587Sitojun { 0, 0 }, \ 49962587Sitojun { 0, 0 }, \ 50062587Sitojun { 0, 0 }, \ 50162587Sitojun { 0, 0 }, \ 50262587Sitojun { 0, 0 }, \ 50362587Sitojun { 0, 0 }, \ 50462587Sitojun { 0, 0 }, \ 50562587Sitojun { 0, 0 }, \ 50662587Sitojun { 0, 0 }, \ 50762587Sitojun { 0, 0 }, \ 50862587Sitojun { 0, 0 }, \ 50962587Sitojun { 0, 0 }, \ 51062587Sitojun { 0, 0 }, \ 51162587Sitojun { 0, 0 }, \ 51262587Sitojun { "ipsec", CTLTYPE_NODE }, \ 513118622Shsu { 0, 0 }, \ 514118622Shsu { 0, 0 }, \ 515118622Shsu { 0, 0 }, \ 516118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 517118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 518118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 519118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 520118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 521118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 522118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 523118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 524118622Shsu { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 525118622Shsu { 0, 0 }, \ 526118622Shsu { 0, 0 }, \ 527118622Shsu { 0, 0 }, \ 528118622Shsu { "pim", CTLTYPE_NODE }, \ 5291541Srgrimes} 5301541Srgrimes 5311541Srgrimes/* 5321541Srgrimes * Names for IP sysctl objects 5331541Srgrimes */ 5341541Srgrimes#define IPCTL_FORWARDING 1 /* act as router */ 5351541Srgrimes#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 5361541Srgrimes#define IPCTL_DEFTTL 3 /* default TTL */ 5371541Srgrimes#ifdef notyet 5381541Srgrimes#define IPCTL_DEFMTU 4 /* default MTU */ 5391541Srgrimes#endif 540133874Srwatson#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 541133874Srwatson#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 542133874Srwatson#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 5437091Swollman#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 5449575Speter#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 545133874Srwatson#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 54652904Sshin#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 54729838Swollman#define IPCTL_STATS 12 /* ipstat structure */ 54833440Sguido#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 54952904Sshin#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 55055009Sshin#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 55152904Sshin#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 55252904Sshin#define IPCTL_MAXID 17 5531541Srgrimes 5541541Srgrimes#define IPCTL_NAMES { \ 5551541Srgrimes { 0, 0 }, \ 5561541Srgrimes { "forwarding", CTLTYPE_INT }, \ 5571541Srgrimes { "redirect", CTLTYPE_INT }, \ 5581541Srgrimes { "ttl", CTLTYPE_INT }, \ 5591541Srgrimes { "mtu", CTLTYPE_INT }, \ 5605109Swollman { "rtexpire", CTLTYPE_INT }, \ 5616399Swollman { "rtminexpire", CTLTYPE_INT }, \ 5626399Swollman { "rtmaxcache", CTLTYPE_INT }, \ 5637091Swollman { "sourceroute", CTLTYPE_INT }, \ 564133874Srwatson { "directed-broadcast", CTLTYPE_INT }, \ 56512003Swollman { "intr-queue-maxlen", CTLTYPE_INT }, \ 56612003Swollman { "intr-queue-drops", CTLTYPE_INT }, \ 56729838Swollman { "stats", CTLTYPE_STRUCT }, \ 56833440Sguido { "accept_sourceroute", CTLTYPE_INT }, \ 56936192Sdg { "fastforwarding", CTLTYPE_INT }, \ 5701541Srgrimes} 5711541Srgrimes 57295336Smike#endif /* __BSD_VISIBLE */ 57395336Smike 57478243Speter#ifdef _KERNEL 57595336Smike 57678243Speterstruct ifnet; struct mbuf; /* forward declarations for Standard C */ 57778243Speter 57892723Salfredint in_broadcast(struct in_addr, struct ifnet *); 57992723Salfredint in_canforward(struct in_addr); 58092723Salfredint in_localaddr(struct in_addr); 581133486Sandreint in_localip(struct in_addr); 582133874Srwatsonchar *inet_ntoa(struct in_addr); /* in libkern */ 58392723Salfredchar *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 584150296Srwatsonvoid in_ifdetach(struct ifnet *); 5852169Spaul 586133874Srwatson#define in_hosteq(s, t) ((s).s_addr == (t).s_addr) 587133874Srwatson#define in_nullhost(x) ((x).s_addr == INADDR_ANY) 588102925Ssobomax 589133874Srwatson#define satosin(sa) ((struct sockaddr_in *)(sa)) 590133874Srwatson#define sintosa(sin) ((struct sockaddr *)(sin)) 591133874Srwatson#define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 59284101Sjlemon 59395336Smike#endif /* _KERNEL */ 59490868Smike 59595336Smike/* INET6 stuff */ 59695336Smike#if __POSIX_VISIBLE >= 200112 59795336Smike#define __KAME_NETINET_IN_H_INCLUDED_ 59895336Smike#include <netinet6/in6.h> 59995336Smike#undef __KAME_NETINET_IN_H_INCLUDED_ 60091959Smike#endif 60191959Smike 60295336Smike#endif /* !_NETINET_IN_H_*/ 603