1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 1982, 1986, 1990, 1993 3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6*199767f8SToomas Soome * modification, are permitted provided that the following conditions 7*199767f8SToomas Soome * are met: 8*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 10*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 12*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 13*199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 14*199767f8SToomas Soome * may be used to endorse or promote products derived from this software 15*199767f8SToomas Soome * without specific prior written permission. 16*199767f8SToomas Soome * 17*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*199767f8SToomas Soome * SUCH DAMAGE. 28*199767f8SToomas Soome * 29*199767f8SToomas Soome * @(#)in.h 8.3 (Berkeley) 1/3/94 30*199767f8SToomas Soome * $FreeBSD$ 31*199767f8SToomas Soome */ 32*199767f8SToomas Soome 33*199767f8SToomas Soome #ifndef _NETINET_IN_H_ 34*199767f8SToomas Soome #define _NETINET_IN_H_ 35*199767f8SToomas Soome 36*199767f8SToomas Soome #include <sys/cdefs.h> 37*199767f8SToomas Soome #include <sys/_types.h> 38*199767f8SToomas Soome #include <machine/endian.h> 39*199767f8SToomas Soome 40*199767f8SToomas Soome /* Protocols common to RFC 1700, POSIX, and X/Open. */ 41*199767f8SToomas Soome #define IPPROTO_IP 0 /* dummy for IP */ 42*199767f8SToomas Soome #define IPPROTO_ICMP 1 /* control message protocol */ 43*199767f8SToomas Soome #define IPPROTO_TCP 6 /* tcp */ 44*199767f8SToomas Soome #define IPPROTO_UDP 17 /* user datagram protocol */ 45*199767f8SToomas Soome 46*199767f8SToomas Soome #define INADDR_ANY ((in_addr_t)0x00000000) 47*199767f8SToomas Soome #define INADDR_BROADCAST ((in_addr_t)0xffffffff) /* must be masked */ 48*199767f8SToomas Soome 49*199767f8SToomas Soome #ifndef _UINT8_T_DECLARED 50*199767f8SToomas Soome typedef __uint8_t uint8_t; 51*199767f8SToomas Soome #define _UINT8_T_DECLARED 52*199767f8SToomas Soome #endif 53*199767f8SToomas Soome 54*199767f8SToomas Soome #ifndef _UINT16_T_DECLARED 55*199767f8SToomas Soome typedef __uint16_t uint16_t; 56*199767f8SToomas Soome #define _UINT16_T_DECLARED 57*199767f8SToomas Soome #endif 58*199767f8SToomas Soome 59*199767f8SToomas Soome #ifndef _UINT32_T_DECLARED 60*199767f8SToomas Soome typedef __uint32_t uint32_t; 61*199767f8SToomas Soome #define _UINT32_T_DECLARED 62*199767f8SToomas Soome #endif 63*199767f8SToomas Soome 64*199767f8SToomas Soome #ifndef _IN_ADDR_T_DECLARED 65*199767f8SToomas Soome typedef uint32_t in_addr_t; 66*199767f8SToomas Soome #define _IN_ADDR_T_DECLARED 67*199767f8SToomas Soome #endif 68*199767f8SToomas Soome 69*199767f8SToomas Soome #ifndef _IN_PORT_T_DECLARED 70*199767f8SToomas Soome typedef uint16_t in_port_t; 71*199767f8SToomas Soome #define _IN_PORT_T_DECLARED 72*199767f8SToomas Soome #endif 73*199767f8SToomas Soome 74*199767f8SToomas Soome #ifndef _SA_FAMILY_T_DECLARED 75*199767f8SToomas Soome typedef __sa_family_t sa_family_t; 76*199767f8SToomas Soome #define _SA_FAMILY_T_DECLARED 77*199767f8SToomas Soome #endif 78*199767f8SToomas Soome 79*199767f8SToomas Soome /* Internet address (a structure for historical reasons). */ 80*199767f8SToomas Soome #ifndef _STRUCT_IN_ADDR_DECLARED 81*199767f8SToomas Soome struct in_addr { 82*199767f8SToomas Soome in_addr_t s_addr; 83*199767f8SToomas Soome }; 84*199767f8SToomas Soome #define _STRUCT_IN_ADDR_DECLARED 85*199767f8SToomas Soome #endif 86*199767f8SToomas Soome 87*199767f8SToomas Soome #ifndef _SOCKLEN_T_DECLARED 88*199767f8SToomas Soome typedef __socklen_t socklen_t; 89*199767f8SToomas Soome #define _SOCKLEN_T_DECLARED 90*199767f8SToomas Soome #endif 91*199767f8SToomas Soome 92*199767f8SToomas Soome #include <sys/_sockaddr_storage.h> 93*199767f8SToomas Soome 94*199767f8SToomas Soome /* Socket address, internet style. */ 95*199767f8SToomas Soome struct sockaddr_in { 96*199767f8SToomas Soome uint8_t sin_len; 97*199767f8SToomas Soome sa_family_t sin_family; 98*199767f8SToomas Soome in_port_t sin_port; 99*199767f8SToomas Soome struct in_addr sin_addr; 100*199767f8SToomas Soome char sin_zero[8]; 101*199767f8SToomas Soome }; 102*199767f8SToomas Soome 103*199767f8SToomas Soome #if !defined(_KERNEL) && __POSIX_VISIBLE >= 200112 104*199767f8SToomas Soome 105*199767f8SToomas Soome #ifndef _BYTEORDER_PROTOTYPED 106*199767f8SToomas Soome #define _BYTEORDER_PROTOTYPED 107*199767f8SToomas Soome __BEGIN_DECLS 108*199767f8SToomas Soome uint32_t htonl(uint32_t); 109*199767f8SToomas Soome uint16_t htons(uint16_t); 110*199767f8SToomas Soome uint32_t ntohl(uint32_t); 111*199767f8SToomas Soome uint16_t ntohs(uint16_t); 112*199767f8SToomas Soome __END_DECLS 113*199767f8SToomas Soome #endif 114*199767f8SToomas Soome 115*199767f8SToomas Soome #ifndef _BYTEORDER_FUNC_DEFINED 116*199767f8SToomas Soome #define _BYTEORDER_FUNC_DEFINED 117*199767f8SToomas Soome #define htonl(x) __htonl(x) 118*199767f8SToomas Soome #define htons(x) __htons(x) 119*199767f8SToomas Soome #define ntohl(x) __ntohl(x) 120*199767f8SToomas Soome #define ntohs(x) __ntohs(x) 121*199767f8SToomas Soome #endif 122*199767f8SToomas Soome 123*199767f8SToomas Soome #endif /* !_KERNEL && __POSIX_VISIBLE >= 200112 */ 124*199767f8SToomas Soome 125*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112 126*199767f8SToomas Soome #define IPPROTO_IPV6 41 /* IP6 header */ 127*199767f8SToomas Soome #define IPPROTO_RAW 255 /* raw IP packet */ 128*199767f8SToomas Soome #define INET_ADDRSTRLEN 16 129*199767f8SToomas Soome #endif 130*199767f8SToomas Soome 131*199767f8SToomas Soome #if __BSD_VISIBLE 132*199767f8SToomas Soome /* 133*199767f8SToomas Soome * Constants and structures defined by the internet system, 134*199767f8SToomas Soome * Per RFC 790, September 1981, and numerous additions. 135*199767f8SToomas Soome */ 136*199767f8SToomas Soome 137*199767f8SToomas Soome /* 138*199767f8SToomas Soome * Protocols (RFC 1700) 139*199767f8SToomas Soome */ 140*199767f8SToomas Soome #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 141*199767f8SToomas Soome #define IPPROTO_IGMP 2 /* group mgmt protocol */ 142*199767f8SToomas Soome #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 143*199767f8SToomas Soome #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 144*199767f8SToomas Soome #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 145*199767f8SToomas Soome #define IPPROTO_ST 7 /* Stream protocol II */ 146*199767f8SToomas Soome #define IPPROTO_EGP 8 /* exterior gateway protocol */ 147*199767f8SToomas Soome #define IPPROTO_PIGP 9 /* private interior gateway */ 148*199767f8SToomas Soome #define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 149*199767f8SToomas Soome #define IPPROTO_NVPII 11 /* network voice protocol*/ 150*199767f8SToomas Soome #define IPPROTO_PUP 12 /* pup */ 151*199767f8SToomas Soome #define IPPROTO_ARGUS 13 /* Argus */ 152*199767f8SToomas Soome #define IPPROTO_EMCON 14 /* EMCON */ 153*199767f8SToomas Soome #define IPPROTO_XNET 15 /* Cross Net Debugger */ 154*199767f8SToomas Soome #define IPPROTO_CHAOS 16 /* Chaos*/ 155*199767f8SToomas Soome #define IPPROTO_MUX 18 /* Multiplexing */ 156*199767f8SToomas Soome #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 157*199767f8SToomas Soome #define IPPROTO_HMP 20 /* Host Monitoring */ 158*199767f8SToomas Soome #define IPPROTO_PRM 21 /* Packet Radio Measurement */ 159*199767f8SToomas Soome #define IPPROTO_IDP 22 /* xns idp */ 160*199767f8SToomas Soome #define IPPROTO_TRUNK1 23 /* Trunk-1 */ 161*199767f8SToomas Soome #define IPPROTO_TRUNK2 24 /* Trunk-2 */ 162*199767f8SToomas Soome #define IPPROTO_LEAF1 25 /* Leaf-1 */ 163*199767f8SToomas Soome #define IPPROTO_LEAF2 26 /* Leaf-2 */ 164*199767f8SToomas Soome #define IPPROTO_RDP 27 /* Reliable Data */ 165*199767f8SToomas Soome #define IPPROTO_IRTP 28 /* Reliable Transaction */ 166*199767f8SToomas Soome #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 167*199767f8SToomas Soome #define IPPROTO_BLT 30 /* Bulk Data Transfer */ 168*199767f8SToomas Soome #define IPPROTO_NSP 31 /* Network Services */ 169*199767f8SToomas Soome #define IPPROTO_INP 32 /* Merit Internodal */ 170*199767f8SToomas Soome #define IPPROTO_SEP 33 /* Sequential Exchange */ 171*199767f8SToomas Soome #define IPPROTO_3PC 34 /* Third Party Connect */ 172*199767f8SToomas Soome #define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 173*199767f8SToomas Soome #define IPPROTO_XTP 36 /* XTP */ 174*199767f8SToomas Soome #define IPPROTO_DDP 37 /* Datagram Delivery */ 175*199767f8SToomas Soome #define IPPROTO_CMTP 38 /* Control Message Transport */ 176*199767f8SToomas Soome #define IPPROTO_TPXX 39 /* TP++ Transport */ 177*199767f8SToomas Soome #define IPPROTO_IL 40 /* IL transport protocol */ 178*199767f8SToomas Soome #define IPPROTO_SDRP 42 /* Source Demand Routing */ 179*199767f8SToomas Soome #define IPPROTO_ROUTING 43 /* IP6 routing header */ 180*199767f8SToomas Soome #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 181*199767f8SToomas Soome #define IPPROTO_IDRP 45 /* InterDomain Routing*/ 182*199767f8SToomas Soome #define IPPROTO_RSVP 46 /* resource reservation */ 183*199767f8SToomas Soome #define IPPROTO_GRE 47 /* General Routing Encap. */ 184*199767f8SToomas Soome #define IPPROTO_MHRP 48 /* Mobile Host Routing */ 185*199767f8SToomas Soome #define IPPROTO_BHA 49 /* BHA */ 186*199767f8SToomas Soome #define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 187*199767f8SToomas Soome #define IPPROTO_AH 51 /* IP6 Auth Header */ 188*199767f8SToomas Soome #define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 189*199767f8SToomas Soome #define IPPROTO_SWIPE 53 /* IP with encryption */ 190*199767f8SToomas Soome #define IPPROTO_NHRP 54 /* Next Hop Resolution */ 191*199767f8SToomas Soome #define IPPROTO_MOBILE 55 /* IP Mobility */ 192*199767f8SToomas Soome #define IPPROTO_TLSP 56 /* Transport Layer Security */ 193*199767f8SToomas Soome #define IPPROTO_SKIP 57 /* SKIP */ 194*199767f8SToomas Soome #define IPPROTO_ICMPV6 58 /* ICMP6 */ 195*199767f8SToomas Soome #define IPPROTO_NONE 59 /* IP6 no next header */ 196*199767f8SToomas Soome #define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 197*199767f8SToomas Soome #define IPPROTO_AHIP 61 /* any host internal protocol */ 198*199767f8SToomas Soome #define IPPROTO_CFTP 62 /* CFTP */ 199*199767f8SToomas Soome #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 200*199767f8SToomas Soome #define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 201*199767f8SToomas Soome #define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 202*199767f8SToomas Soome #define IPPROTO_RVD 66 /* Remote Virtual Disk */ 203*199767f8SToomas Soome #define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 204*199767f8SToomas Soome #define IPPROTO_ADFS 68 /* Any distributed FS */ 205*199767f8SToomas Soome #define IPPROTO_SATMON 69 /* Satnet Monitoring */ 206*199767f8SToomas Soome #define IPPROTO_VISA 70 /* VISA Protocol */ 207*199767f8SToomas Soome #define IPPROTO_IPCV 71 /* Packet Core Utility */ 208*199767f8SToomas Soome #define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 209*199767f8SToomas Soome #define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 210*199767f8SToomas Soome #define IPPROTO_WSN 74 /* Wang Span Network */ 211*199767f8SToomas Soome #define IPPROTO_PVP 75 /* Packet Video Protocol */ 212*199767f8SToomas Soome #define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 213*199767f8SToomas Soome #define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 214*199767f8SToomas Soome #define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 215*199767f8SToomas Soome #define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 216*199767f8SToomas Soome #define IPPROTO_EON 80 /* ISO cnlp */ 217*199767f8SToomas Soome #define IPPROTO_VMTP 81 /* VMTP */ 218*199767f8SToomas Soome #define IPPROTO_SVMTP 82 /* Secure VMTP */ 219*199767f8SToomas Soome #define IPPROTO_VINES 83 /* Banyon VINES */ 220*199767f8SToomas Soome #define IPPROTO_TTP 84 /* TTP */ 221*199767f8SToomas Soome #define IPPROTO_IGP 85 /* NSFNET-IGP */ 222*199767f8SToomas Soome #define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 223*199767f8SToomas Soome #define IPPROTO_TCF 87 /* TCF */ 224*199767f8SToomas Soome #define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 225*199767f8SToomas Soome #define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 226*199767f8SToomas Soome #define IPPROTO_SRPC 90 /* Strite RPC protocol */ 227*199767f8SToomas Soome #define IPPROTO_LARP 91 /* Locus Address Resoloution */ 228*199767f8SToomas Soome #define IPPROTO_MTP 92 /* Multicast Transport */ 229*199767f8SToomas Soome #define IPPROTO_AX25 93 /* AX.25 Frames */ 230*199767f8SToomas Soome #define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 231*199767f8SToomas Soome #define IPPROTO_MICP 95 /* Mobile Int.ing control */ 232*199767f8SToomas Soome #define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 233*199767f8SToomas Soome #define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 234*199767f8SToomas Soome #define IPPROTO_ENCAP 98 /* encapsulation header */ 235*199767f8SToomas Soome #define IPPROTO_APES 99 /* any private encr. scheme */ 236*199767f8SToomas Soome #define IPPROTO_GMTP 100 /* GMTP*/ 237*199767f8SToomas Soome #define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 238*199767f8SToomas Soome #define IPPROTO_SCTP 132 /* SCTP */ 239*199767f8SToomas Soome #define IPPROTO_MH 135 /* IPv6 Mobility Header */ 240*199767f8SToomas Soome #define IPPROTO_UDPLITE 136 /* UDP-Lite */ 241*199767f8SToomas Soome #define IPPROTO_HIP 139 /* IP6 Host Identity Protocol */ 242*199767f8SToomas Soome #define IPPROTO_SHIM6 140 /* IP6 Shim6 Protocol */ 243*199767f8SToomas Soome /* 101-254: Partly Unassigned */ 244*199767f8SToomas Soome #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 245*199767f8SToomas Soome #define IPPROTO_CARP 112 /* CARP */ 246*199767f8SToomas Soome #define IPPROTO_PGM 113 /* PGM */ 247*199767f8SToomas Soome #define IPPROTO_MPLS 137 /* MPLS-in-IP */ 248*199767f8SToomas Soome #define IPPROTO_PFSYNC 240 /* PFSYNC */ 249*199767f8SToomas Soome #define IPPROTO_RESERVED_253 253 /* Reserved */ 250*199767f8SToomas Soome #define IPPROTO_RESERVED_254 254 /* Reserved */ 251*199767f8SToomas Soome /* 255: Reserved */ 252*199767f8SToomas Soome /* BSD Private, local use, namespace incursion, no longer used */ 253*199767f8SToomas Soome #define IPPROTO_OLD_DIVERT 254 /* OLD divert pseudo-proto */ 254*199767f8SToomas Soome #define IPPROTO_MAX 256 255*199767f8SToomas Soome 256*199767f8SToomas Soome /* last return value of *_input(), meaning "all job for this pkt is done". */ 257*199767f8SToomas Soome #define IPPROTO_DONE 257 258*199767f8SToomas Soome 259*199767f8SToomas Soome /* Only used internally, so can be outside the range of valid IP protocols. */ 260*199767f8SToomas Soome #define IPPROTO_DIVERT 258 /* divert pseudo-protocol */ 261*199767f8SToomas Soome #define IPPROTO_SEND 259 /* SeND pseudo-protocol */ 262*199767f8SToomas Soome 263*199767f8SToomas Soome /* 264*199767f8SToomas Soome * Defined to avoid confusion. The master value is defined by 265*199767f8SToomas Soome * PROTO_SPACER in sys/protosw.h. 266*199767f8SToomas Soome */ 267*199767f8SToomas Soome #define IPPROTO_SPACER 32767 /* spacer for loadable protos */ 268*199767f8SToomas Soome 269*199767f8SToomas Soome /* 270*199767f8SToomas Soome * Local port number conventions: 271*199767f8SToomas Soome * 272*199767f8SToomas Soome * When a user does a bind(2) or connect(2) with a port number of zero, 273*199767f8SToomas Soome * a non-conflicting local port address is chosen. 274*199767f8SToomas Soome * The default range is IPPORT_HIFIRSTAUTO through 275*199767f8SToomas Soome * IPPORT_HILASTAUTO, although that is settable by sysctl. 276*199767f8SToomas Soome * 277*199767f8SToomas Soome * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 278*199767f8SToomas Soome * default assignment range. 279*199767f8SToomas Soome * 280*199767f8SToomas Soome * The value IP_PORTRANGE_DEFAULT causes the default behavior. 281*199767f8SToomas Soome * 282*199767f8SToomas Soome * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 283*199767f8SToomas Soome * into the "high" range. These are reserved for client outbound connections 284*199767f8SToomas Soome * which do not want to be filtered by any firewalls. 285*199767f8SToomas Soome * 286*199767f8SToomas Soome * The value IP_PORTRANGE_LOW changes the range to the "low" are 287*199767f8SToomas Soome * that is (by convention) restricted to privileged processes. This 288*199767f8SToomas Soome * convention is based on "vouchsafe" principles only. It is only secure 289*199767f8SToomas Soome * if you trust the remote host to restrict these ports. 290*199767f8SToomas Soome * 291*199767f8SToomas Soome * The default range of ports and the high range can be changed by 292*199767f8SToomas Soome * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 293*199767f8SToomas Soome * 294*199767f8SToomas Soome * Changing those values has bad security implications if you are 295*199767f8SToomas Soome * using a stateless firewall that is allowing packets outside of that 296*199767f8SToomas Soome * range in order to allow transparent outgoing connections. 297*199767f8SToomas Soome * 298*199767f8SToomas Soome * Such a firewall configuration will generally depend on the use of these 299*199767f8SToomas Soome * default values. If you change them, you may find your Security 300*199767f8SToomas Soome * Administrator looking for you with a heavy object. 301*199767f8SToomas Soome * 302*199767f8SToomas Soome * For a slightly more orthodox text view on this: 303*199767f8SToomas Soome * 304*199767f8SToomas Soome * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 305*199767f8SToomas Soome * 306*199767f8SToomas Soome * port numbers are divided into three ranges: 307*199767f8SToomas Soome * 308*199767f8SToomas Soome * 0 - 1023 Well Known Ports 309*199767f8SToomas Soome * 1024 - 49151 Registered Ports 310*199767f8SToomas Soome * 49152 - 65535 Dynamic and/or Private Ports 311*199767f8SToomas Soome * 312*199767f8SToomas Soome */ 313*199767f8SToomas Soome 314*199767f8SToomas Soome /* 315*199767f8SToomas Soome * Ports < IPPORT_RESERVED are reserved for 316*199767f8SToomas Soome * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 317*199767f8SToomas Soome */ 318*199767f8SToomas Soome #define IPPORT_RESERVED 1024 319*199767f8SToomas Soome 320*199767f8SToomas Soome /* 321*199767f8SToomas Soome * Default local port range, used by IP_PORTRANGE_DEFAULT 322*199767f8SToomas Soome */ 323*199767f8SToomas Soome #define IPPORT_EPHEMERALFIRST 10000 324*199767f8SToomas Soome #define IPPORT_EPHEMERALLAST 65535 325*199767f8SToomas Soome 326*199767f8SToomas Soome /* 327*199767f8SToomas Soome * Dynamic port range, used by IP_PORTRANGE_HIGH. 328*199767f8SToomas Soome */ 329*199767f8SToomas Soome #define IPPORT_HIFIRSTAUTO 49152 330*199767f8SToomas Soome #define IPPORT_HILASTAUTO 65535 331*199767f8SToomas Soome 332*199767f8SToomas Soome /* 333*199767f8SToomas Soome * Scanning for a free reserved port return a value below IPPORT_RESERVED, 334*199767f8SToomas Soome * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 335*199767f8SToomas Soome * 512, but that conflicts with some well-known-services that firewalls may 336*199767f8SToomas Soome * have a fit if we use. 337*199767f8SToomas Soome */ 338*199767f8SToomas Soome #define IPPORT_RESERVEDSTART 600 339*199767f8SToomas Soome 340*199767f8SToomas Soome #define IPPORT_MAX 65535 341*199767f8SToomas Soome 342*199767f8SToomas Soome /* 343*199767f8SToomas Soome * Definitions of bits in internet address integers. 344*199767f8SToomas Soome * On subnets, the decomposition of addresses to host and net parts 345*199767f8SToomas Soome * is done according to subnet mask, not the masks here. 346*199767f8SToomas Soome */ 347*199767f8SToomas Soome #define IN_CLASSA(i) (((in_addr_t)(i) & 0x80000000) == 0) 348*199767f8SToomas Soome #define IN_CLASSA_NET 0xff000000 349*199767f8SToomas Soome #define IN_CLASSA_NSHIFT 24 350*199767f8SToomas Soome #define IN_CLASSA_HOST 0x00ffffff 351*199767f8SToomas Soome #define IN_CLASSA_MAX 128 352*199767f8SToomas Soome 353*199767f8SToomas Soome #define IN_CLASSB(i) (((in_addr_t)(i) & 0xc0000000) == 0x80000000) 354*199767f8SToomas Soome #define IN_CLASSB_NET 0xffff0000 355*199767f8SToomas Soome #define IN_CLASSB_NSHIFT 16 356*199767f8SToomas Soome #define IN_CLASSB_HOST 0x0000ffff 357*199767f8SToomas Soome #define IN_CLASSB_MAX 65536 358*199767f8SToomas Soome 359*199767f8SToomas Soome #define IN_CLASSC(i) (((in_addr_t)(i) & 0xe0000000) == 0xc0000000) 360*199767f8SToomas Soome #define IN_CLASSC_NET 0xffffff00 361*199767f8SToomas Soome #define IN_CLASSC_NSHIFT 8 362*199767f8SToomas Soome #define IN_CLASSC_HOST 0x000000ff 363*199767f8SToomas Soome 364*199767f8SToomas Soome #define IN_CLASSD(i) (((in_addr_t)(i) & 0xf0000000) == 0xe0000000) 365*199767f8SToomas Soome #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 366*199767f8SToomas Soome #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 367*199767f8SToomas Soome #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 368*199767f8SToomas Soome #define IN_MULTICAST(i) IN_CLASSD(i) 369*199767f8SToomas Soome 370*199767f8SToomas Soome #define IN_EXPERIMENTAL(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) 371*199767f8SToomas Soome #define IN_BADCLASS(i) (((in_addr_t)(i) & 0xf0000000) == 0xf0000000) 372*199767f8SToomas Soome 373*199767f8SToomas Soome #define IN_LINKLOCAL(i) (((in_addr_t)(i) & 0xffff0000) == 0xa9fe0000) 374*199767f8SToomas Soome #define IN_LOOPBACK(i) (((in_addr_t)(i) & 0xff000000) == 0x7f000000) 375*199767f8SToomas Soome #define IN_ZERONET(i) (((in_addr_t)(i) & 0xff000000) == 0) 376*199767f8SToomas Soome 377*199767f8SToomas Soome #define IN_PRIVATE(i) ((((in_addr_t)(i) & 0xff000000) == 0x0a000000) || \ 378*199767f8SToomas Soome (((in_addr_t)(i) & 0xfff00000) == 0xac100000) || \ 379*199767f8SToomas Soome (((in_addr_t)(i) & 0xffff0000) == 0xc0a80000)) 380*199767f8SToomas Soome 381*199767f8SToomas Soome #define IN_LOCAL_GROUP(i) (((in_addr_t)(i) & 0xffffff00) == 0xe0000000) 382*199767f8SToomas Soome 383*199767f8SToomas Soome #define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i)) 384*199767f8SToomas Soome 385*199767f8SToomas Soome #define INADDR_LOOPBACK ((in_addr_t)0x7f000001) 386*199767f8SToomas Soome #ifndef _KERNEL 387*199767f8SToomas Soome #define INADDR_NONE ((in_addr_t)0xffffffff) /* -1 return */ 388*199767f8SToomas Soome #endif 389*199767f8SToomas Soome 390*199767f8SToomas Soome #define INADDR_UNSPEC_GROUP ((in_addr_t)0xe0000000) /* 224.0.0.0 */ 391*199767f8SToomas Soome #define INADDR_ALLHOSTS_GROUP ((in_addr_t)0xe0000001) /* 224.0.0.1 */ 392*199767f8SToomas Soome #define INADDR_ALLRTRS_GROUP ((in_addr_t)0xe0000002) /* 224.0.0.2 */ 393*199767f8SToomas Soome #define INADDR_ALLRPTS_GROUP ((in_addr_t)0xe0000016) /* 224.0.0.22, IGMPv3 */ 394*199767f8SToomas Soome #define INADDR_CARP_GROUP ((in_addr_t)0xe0000012) /* 224.0.0.18 */ 395*199767f8SToomas Soome #define INADDR_PFSYNC_GROUP ((in_addr_t)0xe00000f0) /* 224.0.0.240 */ 396*199767f8SToomas Soome #define INADDR_ALLMDNS_GROUP ((in_addr_t)0xe00000fb) /* 224.0.0.251 */ 397*199767f8SToomas Soome #define INADDR_MAX_LOCAL_GROUP ((in_addr_t)0xe00000ff) /* 224.0.0.255 */ 398*199767f8SToomas Soome 399*199767f8SToomas Soome #define IN_LOOPBACKNET 127 /* official! */ 400*199767f8SToomas Soome 401*199767f8SToomas Soome #define IN_RFC3021_MASK ((in_addr_t)0xfffffffe) 402*199767f8SToomas Soome 403*199767f8SToomas Soome /* 404*199767f8SToomas Soome * Options for use with [gs]etsockopt at the IP level. 405*199767f8SToomas Soome * First word of comment is data type; bool is stored in int. 406*199767f8SToomas Soome */ 407*199767f8SToomas Soome #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 408*199767f8SToomas Soome #define IP_HDRINCL 2 /* int; header is included with data */ 409*199767f8SToomas Soome #define IP_TOS 3 /* int; IP type of service and preced. */ 410*199767f8SToomas Soome #define IP_TTL 4 /* int; IP time to live */ 411*199767f8SToomas Soome #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 412*199767f8SToomas Soome #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 413*199767f8SToomas Soome #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 414*199767f8SToomas Soome #define IP_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ 415*199767f8SToomas Soome #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 416*199767f8SToomas Soome #define IP_MULTICAST_IF 9 /* struct in_addr *or* struct ip_mreqn; 417*199767f8SToomas Soome * set/get IP multicast i/f */ 418*199767f8SToomas Soome #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 419*199767f8SToomas Soome #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 420*199767f8SToomas Soome #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 421*199767f8SToomas Soome #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 422*199767f8SToomas Soome #define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 423*199767f8SToomas Soome #define IP_RSVP_ON 15 /* enable RSVP in kernel */ 424*199767f8SToomas Soome #define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 425*199767f8SToomas Soome #define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 426*199767f8SToomas Soome #define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 427*199767f8SToomas Soome #define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 428*199767f8SToomas Soome #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 429*199767f8SToomas Soome /* for IPSEC */ 430*199767f8SToomas Soome #define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 431*199767f8SToomas Soome /* unused; was IP_FAITH */ 432*199767f8SToomas Soome #define IP_ONESBCAST 23 /* bool: send all-ones broadcast */ 433*199767f8SToomas Soome #define IP_BINDANY 24 /* bool: allow bind to any address */ 434*199767f8SToomas Soome #define IP_BINDMULTI 25 /* bool: allow multiple listeners on a tuple */ 435*199767f8SToomas Soome #define IP_RSS_LISTEN_BUCKET 26 /* int; set RSS listen bucket */ 436*199767f8SToomas Soome 437*199767f8SToomas Soome /* 438*199767f8SToomas Soome * Options for controlling the firewall and dummynet. 439*199767f8SToomas Soome * Historical options (from 40 to 64) will eventually be 440*199767f8SToomas Soome * replaced by only two options, IP_FW3 and IP_DUMMYNET3. 441*199767f8SToomas Soome */ 442*199767f8SToomas Soome #define IP_FW_TABLE_ADD 40 /* add entry */ 443*199767f8SToomas Soome #define IP_FW_TABLE_DEL 41 /* delete entry */ 444*199767f8SToomas Soome #define IP_FW_TABLE_FLUSH 42 /* flush table */ 445*199767f8SToomas Soome #define IP_FW_TABLE_GETSIZE 43 /* get table size */ 446*199767f8SToomas Soome #define IP_FW_TABLE_LIST 44 /* list table contents */ 447*199767f8SToomas Soome 448*199767f8SToomas Soome #define IP_FW3 48 /* generic ipfw v.3 sockopts */ 449*199767f8SToomas Soome #define IP_DUMMYNET3 49 /* generic dummynet v.3 sockopts */ 450*199767f8SToomas Soome 451*199767f8SToomas Soome #define IP_FW_ADD 50 /* add a firewall rule to chain */ 452*199767f8SToomas Soome #define IP_FW_DEL 51 /* delete a firewall rule from chain */ 453*199767f8SToomas Soome #define IP_FW_FLUSH 52 /* flush firewall rule chain */ 454*199767f8SToomas Soome #define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 455*199767f8SToomas Soome #define IP_FW_GET 54 /* get entire firewall rule chain */ 456*199767f8SToomas Soome #define IP_FW_RESETLOG 55 /* reset logging counters */ 457*199767f8SToomas Soome 458*199767f8SToomas Soome #define IP_FW_NAT_CFG 56 /* add/config a nat rule */ 459*199767f8SToomas Soome #define IP_FW_NAT_DEL 57 /* delete a nat rule */ 460*199767f8SToomas Soome #define IP_FW_NAT_GET_CONFIG 58 /* get configuration of a nat rule */ 461*199767f8SToomas Soome #define IP_FW_NAT_GET_LOG 59 /* get log of a nat rule */ 462*199767f8SToomas Soome 463*199767f8SToomas Soome #define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 464*199767f8SToomas Soome #define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 465*199767f8SToomas Soome #define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 466*199767f8SToomas Soome #define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 467*199767f8SToomas Soome 468*199767f8SToomas Soome #define IP_RECVTTL 65 /* bool; receive IP TTL w/dgram */ 469*199767f8SToomas Soome #define IP_MINTTL 66 /* minimum TTL for packet or drop */ 470*199767f8SToomas Soome #define IP_DONTFRAG 67 /* don't fragment packet */ 471*199767f8SToomas Soome #define IP_RECVTOS 68 /* bool; receive IP TOS w/dgram */ 472*199767f8SToomas Soome 473*199767f8SToomas Soome /* IPv4 Source Filter Multicast API [RFC3678] */ 474*199767f8SToomas Soome #define IP_ADD_SOURCE_MEMBERSHIP 70 /* join a source-specific group */ 475*199767f8SToomas Soome #define IP_DROP_SOURCE_MEMBERSHIP 71 /* drop a single source */ 476*199767f8SToomas Soome #define IP_BLOCK_SOURCE 72 /* block a source */ 477*199767f8SToomas Soome #define IP_UNBLOCK_SOURCE 73 /* unblock a source */ 478*199767f8SToomas Soome 479*199767f8SToomas Soome /* The following option is private; do not use it from user applications. */ 480*199767f8SToomas Soome #define IP_MSFILTER 74 /* set/get filter list */ 481*199767f8SToomas Soome 482*199767f8SToomas Soome /* Protocol Independent Multicast API [RFC3678] */ 483*199767f8SToomas Soome #define MCAST_JOIN_GROUP 80 /* join an any-source group */ 484*199767f8SToomas Soome #define MCAST_LEAVE_GROUP 81 /* leave all sources for group */ 485*199767f8SToomas Soome #define MCAST_JOIN_SOURCE_GROUP 82 /* join a source-specific group */ 486*199767f8SToomas Soome #define MCAST_LEAVE_SOURCE_GROUP 83 /* leave a single source */ 487*199767f8SToomas Soome #define MCAST_BLOCK_SOURCE 84 /* block a source */ 488*199767f8SToomas Soome #define MCAST_UNBLOCK_SOURCE 85 /* unblock a source */ 489*199767f8SToomas Soome 490*199767f8SToomas Soome /* Flow and RSS definitions */ 491*199767f8SToomas Soome #define IP_FLOWID 90 /* get flow id for the given socket/inp */ 492*199767f8SToomas Soome #define IP_FLOWTYPE 91 /* get flow type (M_HASHTYPE) */ 493*199767f8SToomas Soome #define IP_RSSBUCKETID 92 /* get RSS flowid -> bucket mapping */ 494*199767f8SToomas Soome #define IP_RECVFLOWID 93 /* bool; receive IP flowid/flowtype w/ datagram */ 495*199767f8SToomas Soome #define IP_RECVRSSBUCKETID 94 /* bool; receive IP RSS bucket id w/ datagram */ 496*199767f8SToomas Soome 497*199767f8SToomas Soome /* 498*199767f8SToomas Soome * Defaults and limits for options 499*199767f8SToomas Soome */ 500*199767f8SToomas Soome #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 501*199767f8SToomas Soome #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 502*199767f8SToomas Soome 503*199767f8SToomas Soome /* 504*199767f8SToomas Soome * The imo_membership vector for each socket is now dynamically allocated at 505*199767f8SToomas Soome * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized 506*199767f8SToomas Soome * according to a power-of-two increment. 507*199767f8SToomas Soome */ 508*199767f8SToomas Soome #define IP_MIN_MEMBERSHIPS 31 509*199767f8SToomas Soome #define IP_MAX_MEMBERSHIPS 4095 510*199767f8SToomas Soome #define IP_MAX_SOURCE_FILTER 1024 /* XXX to be unused */ 511*199767f8SToomas Soome 512*199767f8SToomas Soome /* 513*199767f8SToomas Soome * Default resource limits for IPv4 multicast source filtering. 514*199767f8SToomas Soome * These may be modified by sysctl. 515*199767f8SToomas Soome */ 516*199767f8SToomas Soome #define IP_MAX_GROUP_SRC_FILTER 512 /* sources per group */ 517*199767f8SToomas Soome #define IP_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ 518*199767f8SToomas Soome #define IP_MAX_SOCK_MUTE_FILTER 128 /* XXX no longer used */ 519*199767f8SToomas Soome 520*199767f8SToomas Soome /* 521*199767f8SToomas Soome * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 522*199767f8SToomas Soome */ 523*199767f8SToomas Soome struct ip_mreq { 524*199767f8SToomas Soome struct in_addr imr_multiaddr; /* IP multicast address of group */ 525*199767f8SToomas Soome struct in_addr imr_interface; /* local IP address of interface */ 526*199767f8SToomas Soome }; 527*199767f8SToomas Soome 528*199767f8SToomas Soome /* 529*199767f8SToomas Soome * Modified argument structure for IP_MULTICAST_IF, obtained from Linux. 530*199767f8SToomas Soome * This is used to specify an interface index for multicast sends, as 531*199767f8SToomas Soome * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available). 532*199767f8SToomas Soome */ 533*199767f8SToomas Soome struct ip_mreqn { 534*199767f8SToomas Soome struct in_addr imr_multiaddr; /* IP multicast address of group */ 535*199767f8SToomas Soome struct in_addr imr_address; /* local IP address of interface */ 536*199767f8SToomas Soome int imr_ifindex; /* Interface index; cast to uint32_t */ 537*199767f8SToomas Soome }; 538*199767f8SToomas Soome 539*199767f8SToomas Soome /* 540*199767f8SToomas Soome * Argument structure for IPv4 Multicast Source Filter APIs. [RFC3678] 541*199767f8SToomas Soome */ 542*199767f8SToomas Soome struct ip_mreq_source { 543*199767f8SToomas Soome struct in_addr imr_multiaddr; /* IP multicast address of group */ 544*199767f8SToomas Soome struct in_addr imr_sourceaddr; /* IP address of source */ 545*199767f8SToomas Soome struct in_addr imr_interface; /* local IP address of interface */ 546*199767f8SToomas Soome }; 547*199767f8SToomas Soome 548*199767f8SToomas Soome /* 549*199767f8SToomas Soome * Argument structures for Protocol-Independent Multicast Source 550*199767f8SToomas Soome * Filter APIs. [RFC3678] 551*199767f8SToomas Soome */ 552*199767f8SToomas Soome struct group_req { 553*199767f8SToomas Soome uint32_t gr_interface; /* interface index */ 554*199767f8SToomas Soome struct sockaddr_storage gr_group; /* group address */ 555*199767f8SToomas Soome }; 556*199767f8SToomas Soome 557*199767f8SToomas Soome struct group_source_req { 558*199767f8SToomas Soome uint32_t gsr_interface; /* interface index */ 559*199767f8SToomas Soome struct sockaddr_storage gsr_group; /* group address */ 560*199767f8SToomas Soome struct sockaddr_storage gsr_source; /* source address */ 561*199767f8SToomas Soome }; 562*199767f8SToomas Soome 563*199767f8SToomas Soome #ifndef __MSFILTERREQ_DEFINED 564*199767f8SToomas Soome #define __MSFILTERREQ_DEFINED 565*199767f8SToomas Soome /* 566*199767f8SToomas Soome * The following structure is private; do not use it from user applications. 567*199767f8SToomas Soome * It is used to communicate IP_MSFILTER/IPV6_MSFILTER information between 568*199767f8SToomas Soome * the RFC 3678 libc functions and the kernel. 569*199767f8SToomas Soome */ 570*199767f8SToomas Soome struct __msfilterreq { 571*199767f8SToomas Soome uint32_t msfr_ifindex; /* interface index */ 572*199767f8SToomas Soome uint32_t msfr_fmode; /* filter mode for group */ 573*199767f8SToomas Soome uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ 574*199767f8SToomas Soome struct sockaddr_storage msfr_group; /* group address */ 575*199767f8SToomas Soome struct sockaddr_storage *msfr_srcs; /* pointer to the first member 576*199767f8SToomas Soome * of a contiguous array of 577*199767f8SToomas Soome * sources to filter in full. 578*199767f8SToomas Soome */ 579*199767f8SToomas Soome }; 580*199767f8SToomas Soome #endif 581*199767f8SToomas Soome 582*199767f8SToomas Soome struct sockaddr; 583*199767f8SToomas Soome 584*199767f8SToomas Soome /* 585*199767f8SToomas Soome * Advanced (Full-state) APIs [RFC3678] 586*199767f8SToomas Soome * The RFC specifies uint_t for the 6th argument to [sg]etsourcefilter(). 587*199767f8SToomas Soome * We use uint32_t here to be consistent. 588*199767f8SToomas Soome */ 589*199767f8SToomas Soome int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 590*199767f8SToomas Soome uint32_t, struct in_addr *); 591*199767f8SToomas Soome int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 592*199767f8SToomas Soome uint32_t *, struct in_addr *); 593*199767f8SToomas Soome int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, 594*199767f8SToomas Soome uint32_t, uint32_t, struct sockaddr_storage *); 595*199767f8SToomas Soome int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, 596*199767f8SToomas Soome uint32_t *, uint32_t *, struct sockaddr_storage *); 597*199767f8SToomas Soome 598*199767f8SToomas Soome /* 599*199767f8SToomas Soome * Filter modes; also used to represent per-socket filter mode internally. 600*199767f8SToomas Soome */ 601*199767f8SToomas Soome #define MCAST_UNDEFINED 0 /* fmode: not yet defined */ 602*199767f8SToomas Soome #define MCAST_INCLUDE 1 /* fmode: include these source(s) */ 603*199767f8SToomas Soome #define MCAST_EXCLUDE 2 /* fmode: exclude these source(s) */ 604*199767f8SToomas Soome 605*199767f8SToomas Soome /* 606*199767f8SToomas Soome * Argument for IP_PORTRANGE: 607*199767f8SToomas Soome * - which range to search when port is unspecified at bind() or connect() 608*199767f8SToomas Soome */ 609*199767f8SToomas Soome #define IP_PORTRANGE_DEFAULT 0 /* default range */ 610*199767f8SToomas Soome #define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 611*199767f8SToomas Soome #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 612*199767f8SToomas Soome 613*199767f8SToomas Soome /* 614*199767f8SToomas Soome * Identifiers for IP sysctl nodes 615*199767f8SToomas Soome */ 616*199767f8SToomas Soome #define IPCTL_FORWARDING 1 /* act as router */ 617*199767f8SToomas Soome #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 618*199767f8SToomas Soome #define IPCTL_DEFTTL 3 /* default TTL */ 619*199767f8SToomas Soome #ifdef notyet 620*199767f8SToomas Soome #define IPCTL_DEFMTU 4 /* default MTU */ 621*199767f8SToomas Soome #endif 622*199767f8SToomas Soome /* IPCTL_RTEXPIRE 5 deprecated */ 623*199767f8SToomas Soome /* IPCTL_RTMINEXPIRE 6 deprecated */ 624*199767f8SToomas Soome /* IPCTL_RTMAXCACHE 7 deprecated */ 625*199767f8SToomas Soome #define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 626*199767f8SToomas Soome #define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 627*199767f8SToomas Soome #define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 628*199767f8SToomas Soome #define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 629*199767f8SToomas Soome #define IPCTL_STATS 12 /* ipstat structure */ 630*199767f8SToomas Soome #define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 631*199767f8SToomas Soome #define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 632*199767f8SToomas Soome /* 15, unused, was: IPCTL_KEEPFAITH */ 633*199767f8SToomas Soome #define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 634*199767f8SToomas Soome 635*199767f8SToomas Soome #endif /* __BSD_VISIBLE */ 636*199767f8SToomas Soome 637*199767f8SToomas Soome #ifdef _KERNEL 638*199767f8SToomas Soome 639*199767f8SToomas Soome struct ifnet; struct mbuf; /* forward declarations for Standard C */ 640*199767f8SToomas Soome 641*199767f8SToomas Soome int in_broadcast(struct in_addr, struct ifnet *); 642*199767f8SToomas Soome int in_canforward(struct in_addr); 643*199767f8SToomas Soome int in_localaddr(struct in_addr); 644*199767f8SToomas Soome int in_localip(struct in_addr); 645*199767f8SToomas Soome int in_ifhasaddr(struct ifnet *, struct in_addr); 646*199767f8SToomas Soome int inet_aton(const char *, struct in_addr *); /* in libkern */ 647*199767f8SToomas Soome char *inet_ntoa(struct in_addr); /* in libkern */ 648*199767f8SToomas Soome char *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 649*199767f8SToomas Soome char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern */ 650*199767f8SToomas Soome int inet_pton(int af, const char *, void *); /* in libkern */ 651*199767f8SToomas Soome void in_ifdetach(struct ifnet *); 652*199767f8SToomas Soome 653*199767f8SToomas Soome #define in_hosteq(s, t) ((s).s_addr == (t).s_addr) 654*199767f8SToomas Soome #define in_nullhost(x) ((x).s_addr == INADDR_ANY) 655*199767f8SToomas Soome #define in_allhosts(x) ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP)) 656*199767f8SToomas Soome 657*199767f8SToomas Soome #define satosin(sa) ((struct sockaddr_in *)(sa)) 658*199767f8SToomas Soome #define sintosa(sin) ((struct sockaddr *)(sin)) 659*199767f8SToomas Soome #define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 660*199767f8SToomas Soome #endif /* _KERNEL */ 661*199767f8SToomas Soome 662*199767f8SToomas Soome /* INET6 stuff */ 663*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112 664*199767f8SToomas Soome #define __KAME_NETINET_IN_H_INCLUDED_ 665*199767f8SToomas Soome #include <netinet6/in6.h> 666*199767f8SToomas Soome #undef __KAME_NETINET_IN_H_INCLUDED_ 667*199767f8SToomas Soome #endif 668*199767f8SToomas Soome 669*199767f8SToomas Soome #endif /* !_NETINET_IN_H_*/ 670