in.h revision 92723
1/* 2 * Copyright (c) 1982, 1986, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)in.h 8.3 (Berkeley) 1/3/94 34 * $FreeBSD: head/sys/netinet/in.h 92723 2002-03-19 21:25:46Z alfred $ 35 */ 36 37#ifndef _NETINET_IN_H_ 38#define _NETINET_IN_H_ 39 40/* 41 * Constants and structures defined by the internet system, 42 * Per RFC 790, September 1981, and numerous additions. 43 */ 44 45/* 46 * Protocols (RFC 1700) 47 */ 48#define IPPROTO_IP 0 /* dummy for IP */ 49#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 50#define IPPROTO_ICMP 1 /* control message protocol */ 51#define IPPROTO_IGMP 2 /* group mgmt protocol */ 52#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 53#define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 54#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 55#define IPPROTO_TCP 6 /* tcp */ 56#define IPPROTO_ST 7 /* Stream protocol II */ 57#define IPPROTO_EGP 8 /* exterior gateway protocol */ 58#define IPPROTO_PIGP 9 /* private interior gateway */ 59#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 60#define IPPROTO_NVPII 11 /* network voice protocol*/ 61#define IPPROTO_PUP 12 /* pup */ 62#define IPPROTO_ARGUS 13 /* Argus */ 63#define IPPROTO_EMCON 14 /* EMCON */ 64#define IPPROTO_XNET 15 /* Cross Net Debugger */ 65#define IPPROTO_CHAOS 16 /* Chaos*/ 66#define IPPROTO_UDP 17 /* user datagram protocol */ 67#define IPPROTO_MUX 18 /* Multiplexing */ 68#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 69#define IPPROTO_HMP 20 /* Host Monitoring */ 70#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 71#define IPPROTO_IDP 22 /* xns idp */ 72#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 73#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 74#define IPPROTO_LEAF1 25 /* Leaf-1 */ 75#define IPPROTO_LEAF2 26 /* Leaf-2 */ 76#define IPPROTO_RDP 27 /* Reliable Data */ 77#define IPPROTO_IRTP 28 /* Reliable Transaction */ 78#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 79#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 80#define IPPROTO_NSP 31 /* Network Services */ 81#define IPPROTO_INP 32 /* Merit Internodal */ 82#define IPPROTO_SEP 33 /* Sequential Exchange */ 83#define IPPROTO_3PC 34 /* Third Party Connect */ 84#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 85#define IPPROTO_XTP 36 /* XTP */ 86#define IPPROTO_DDP 37 /* Datagram Delivery */ 87#define IPPROTO_CMTP 38 /* Control Message Transport */ 88#define IPPROTO_TPXX 39 /* TP++ Transport */ 89#define IPPROTO_IL 40 /* IL transport protocol */ 90#define IPPROTO_IPV6 41 /* IP6 header */ 91#define IPPROTO_SDRP 42 /* Source Demand Routing */ 92#define IPPROTO_ROUTING 43 /* IP6 routing header */ 93#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 94#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 95#define IPPROTO_RSVP 46 /* resource reservation */ 96#define IPPROTO_GRE 47 /* General Routing Encap. */ 97#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 98#define IPPROTO_BHA 49 /* BHA */ 99#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 100#define IPPROTO_AH 51 /* IP6 Auth Header */ 101#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 102#define IPPROTO_SWIPE 53 /* IP with encryption */ 103#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 104#define IPPROTO_MOBILE 55 /* IP Mobility */ 105#define IPPROTO_TLSP 56 /* Transport Layer Security */ 106#define IPPROTO_SKIP 57 /* SKIP */ 107#define IPPROTO_ICMPV6 58 /* ICMP6 */ 108#define IPPROTO_NONE 59 /* IP6 no next header */ 109#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 110#define IPPROTO_AHIP 61 /* any host internal protocol */ 111#define IPPROTO_CFTP 62 /* CFTP */ 112#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 113#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 114#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 115#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 116#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 117#define IPPROTO_ADFS 68 /* Any distributed FS */ 118#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 119#define IPPROTO_VISA 70 /* VISA Protocol */ 120#define IPPROTO_IPCV 71 /* Packet Core Utility */ 121#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 122#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 123#define IPPROTO_WSN 74 /* Wang Span Network */ 124#define IPPROTO_PVP 75 /* Packet Video Protocol */ 125#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 126#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 127#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 128#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 129#define IPPROTO_EON 80 /* ISO cnlp */ 130#define IPPROTO_VMTP 81 /* VMTP */ 131#define IPPROTO_SVMTP 82 /* Secure VMTP */ 132#define IPPROTO_VINES 83 /* Banyon VINES */ 133#define IPPROTO_TTP 84 /* TTP */ 134#define IPPROTO_IGP 85 /* NSFNET-IGP */ 135#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 136#define IPPROTO_TCF 87 /* TCF */ 137#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 138#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 139#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 140#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 141#define IPPROTO_MTP 92 /* Multicast Transport */ 142#define IPPROTO_AX25 93 /* AX.25 Frames */ 143#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 144#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 145#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 146#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 147#define IPPROTO_ENCAP 98 /* encapsulation header */ 148#define IPPROTO_APES 99 /* any private encr. scheme */ 149#define IPPROTO_GMTP 100 /* GMTP*/ 150#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 151/* 101-254: Partly Unassigned */ 152#define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 153#define IPPROTO_PGM 113 /* PGM */ 154/* 255: Reserved */ 155/* BSD Private, local use, namespace incursion */ 156#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 157#define IPPROTO_RAW 255 /* raw IP packet */ 158#define IPPROTO_MAX 256 159 160/* last return value of *_input(), meaning "all job for this pkt is done". */ 161#define IPPROTO_DONE 257 162 163/* 164 * Local port number conventions: 165 * 166 * When a user does a bind(2) or connect(2) with a port number of zero, 167 * a non-conflicting local port address is chosen. 168 * The default range is IPPORT_RESERVED through 169 * IPPORT_USERRESERVED, although that is settable by sysctl. 170 * 171 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 172 * default assignment range. 173 * 174 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 175 * 176 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 177 * into the "high" range. These are reserved for client outbound connections 178 * which do not want to be filtered by any firewalls. 179 * 180 * The value IP_PORTRANGE_LOW changes the range to the "low" are 181 * that is (by convention) restricted to privileged processes. This 182 * convention is based on "vouchsafe" principles only. It is only secure 183 * if you trust the remote host to restrict these ports. 184 * 185 * The default range of ports and the high range can be changed by 186 * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 187 * 188 * Changing those values has bad security implications if you are 189 * using a a stateless firewall that is allowing packets outside of that 190 * range in order to allow transparent outgoing connections. 191 * 192 * Such a firewall configuration will generally depend on the use of these 193 * default values. If you change them, you may find your Security 194 * Administrator looking for you with a heavy object. 195 * 196 * For a slightly more orthodox text view on this: 197 * 198 * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 199 * 200 * port numbers are divided into three ranges: 201 * 202 * 0 - 1023 Well Known Ports 203 * 1024 - 49151 Registered Ports 204 * 49152 - 65535 Dynamic and/or Private Ports 205 * 206 */ 207 208/* 209 * Ports < IPPORT_RESERVED are reserved for 210 * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 211 * Ports > IPPORT_USERRESERVED are reserved 212 * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) 213 */ 214#define IPPORT_RESERVED 1024 215#define IPPORT_USERRESERVED 5000 216 217/* 218 * Default local port range to use by setting IP_PORTRANGE_HIGH 219 */ 220#define IPPORT_HIFIRSTAUTO 49152 221#define IPPORT_HILASTAUTO 65535 222 223/* 224 * Scanning for a free reserved port return a value below IPPORT_RESERVED, 225 * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 226 * 512, but that conflicts with some well-known-services that firewalls may 227 * have a fit if we use. 228 */ 229#define IPPORT_RESERVEDSTART 600 230 231#define IPPORT_MAX 65535 232 233#ifndef _IN_ADDR_T_DECLARED_ 234typedef __uint32_t in_addr_t; 235#define _IN_ADDR_T_DECLARED_ 236#endif 237 238#ifndef _IN_PORT_T_DECLARED_ 239typedef __uint16_t in_port_t; 240#define _IN_PORT_T_DECLARED_ 241#endif 242 243/* 244 * Internet address (a structure for historical reasons) 245 */ 246#ifndef _STRUCT_IN_ADDR_DECLARED 247struct in_addr { 248 in_addr_t s_addr; 249}; 250#define _STRUCT_IN_ADDR_DECLARED 251#endif 252 253/* 254 * Definitions of bits in internet address integers. 255 * On subnets, the decomposition of addresses to host and net parts 256 * is done according to subnet mask, not the masks here. 257 */ 258#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 259#define IN_CLASSA_NET 0xff000000 260#define IN_CLASSA_NSHIFT 24 261#define IN_CLASSA_HOST 0x00ffffff 262#define IN_CLASSA_MAX 128 263 264#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 265#define IN_CLASSB_NET 0xffff0000 266#define IN_CLASSB_NSHIFT 16 267#define IN_CLASSB_HOST 0x0000ffff 268#define IN_CLASSB_MAX 65536 269 270#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 271#define IN_CLASSC_NET 0xffffff00 272#define IN_CLASSC_NSHIFT 8 273#define IN_CLASSC_HOST 0x000000ff 274 275#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 276#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 277#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 278#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 279#define IN_MULTICAST(i) IN_CLASSD(i) 280 281#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 282#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 283 284#define INADDR_ANY (u_int32_t)0x00000000 285#define INADDR_LOOPBACK (u_int32_t)0x7f000001 286#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 287#ifndef _KERNEL 288#define INADDR_NONE 0xffffffff /* -1 return */ 289#endif 290 291#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 292#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 293#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 294#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 295 296#define IN_LOOPBACKNET 127 /* official! */ 297 298/* 299 * Socket address, internet style. 300 */ 301struct sockaddr_in { 302 u_char sin_len; 303 u_char sin_family; 304 u_short sin_port; 305 struct in_addr sin_addr; 306 char sin_zero[8]; 307}; 308 309#ifndef INET_ADDRSTRLEN 310#define INET_ADDRSTRLEN 16 311#endif 312 313/* 314 * Options for use with [gs]etsockopt at the IP level. 315 * First word of comment is data type; bool is stored in int. 316 */ 317#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 318#define IP_HDRINCL 2 /* int; header is included with data */ 319#define IP_TOS 3 /* int; IP type of service and preced. */ 320#define IP_TTL 4 /* int; IP time to live */ 321#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 322#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 323#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 324#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 325#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 326#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 327#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 328#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 329#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 330#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 331#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 332#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 333#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 334#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 335#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 336#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 337/* for IPSEC */ 338#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 339#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 340 341#define IP_FW_ADD 50 /* add a firewall rule to chain */ 342#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 343#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 344#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 345#define IP_FW_GET 54 /* get entire firewall rule chain */ 346#define IP_FW_RESETLOG 55 /* reset logging counters */ 347 348#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 349#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 350#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 351#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 352 353/* 354 * Defaults and limits for options 355 */ 356#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 357#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 358#define IP_MAX_MEMBERSHIPS 20 /* per socket */ 359 360/* 361 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 362 */ 363struct ip_mreq { 364 struct in_addr imr_multiaddr; /* IP multicast address of group */ 365 struct in_addr imr_interface; /* local IP address of interface */ 366}; 367 368/* 369 * Argument for IP_PORTRANGE: 370 * - which range to search when port is unspecified at bind() or connect() 371 */ 372#define IP_PORTRANGE_DEFAULT 0 /* default range */ 373#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 374#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 375 376/* 377 * Definitions for inet sysctl operations. 378 * 379 * Third level is protocol number. 380 * Fourth level is desired variable within that protocol. 381 */ 382#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 383 384#define CTL_IPPROTO_NAMES { \ 385 { "ip", CTLTYPE_NODE }, \ 386 { "icmp", CTLTYPE_NODE }, \ 387 { "igmp", CTLTYPE_NODE }, \ 388 { "ggp", CTLTYPE_NODE }, \ 389 { 0, 0 }, \ 390 { 0, 0 }, \ 391 { "tcp", CTLTYPE_NODE }, \ 392 { 0, 0 }, \ 393 { "egp", CTLTYPE_NODE }, \ 394 { 0, 0 }, \ 395 { 0, 0 }, \ 396 { 0, 0 }, \ 397 { "pup", CTLTYPE_NODE }, \ 398 { 0, 0 }, \ 399 { 0, 0 }, \ 400 { 0, 0 }, \ 401 { 0, 0 }, \ 402 { "udp", CTLTYPE_NODE }, \ 403 { 0, 0 }, \ 404 { 0, 0 }, \ 405 { 0, 0 }, \ 406 { 0, 0 }, \ 407 { "idp", CTLTYPE_NODE }, \ 408 { 0, 0 }, \ 409 { 0, 0 }, \ 410 { 0, 0 }, \ 411 { 0, 0 }, \ 412 { 0, 0 }, \ 413 { 0, 0 }, \ 414 { 0, 0 }, \ 415 { 0, 0 }, \ 416 { 0, 0 }, \ 417 { 0, 0 }, \ 418 { 0, 0 }, \ 419 { 0, 0 }, \ 420 { 0, 0 }, \ 421 { 0, 0 }, \ 422 { 0, 0 }, \ 423 { 0, 0 }, \ 424 { 0, 0 }, \ 425 { 0, 0 }, \ 426 { 0, 0 }, \ 427 { 0, 0 }, \ 428 { 0, 0 }, \ 429 { 0, 0 }, \ 430 { 0, 0 }, \ 431 { 0, 0 }, \ 432 { 0, 0 }, \ 433 { 0, 0 }, \ 434 { 0, 0 }, \ 435 { 0, 0 }, \ 436 { "ipsec", CTLTYPE_NODE }, \ 437} 438 439/* 440 * Names for IP sysctl objects 441 */ 442#define IPCTL_FORWARDING 1 /* act as router */ 443#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 444#define IPCTL_DEFTTL 3 /* default TTL */ 445#ifdef notyet 446#define IPCTL_DEFMTU 4 /* default MTU */ 447#endif 448#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 449#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 450#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 451#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 452#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 453#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 454#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 455#define IPCTL_STATS 12 /* ipstat structure */ 456#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 457#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 458#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 459#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 460#define IPCTL_MAXID 17 461 462#define IPCTL_NAMES { \ 463 { 0, 0 }, \ 464 { "forwarding", CTLTYPE_INT }, \ 465 { "redirect", CTLTYPE_INT }, \ 466 { "ttl", CTLTYPE_INT }, \ 467 { "mtu", CTLTYPE_INT }, \ 468 { "rtexpire", CTLTYPE_INT }, \ 469 { "rtminexpire", CTLTYPE_INT }, \ 470 { "rtmaxcache", CTLTYPE_INT }, \ 471 { "sourceroute", CTLTYPE_INT }, \ 472 { "directed-broadcast", CTLTYPE_INT }, \ 473 { "intr-queue-maxlen", CTLTYPE_INT }, \ 474 { "intr-queue-drops", CTLTYPE_INT }, \ 475 { "stats", CTLTYPE_STRUCT }, \ 476 { "accept_sourceroute", CTLTYPE_INT }, \ 477 { "fastforwarding", CTLTYPE_INT }, \ 478} 479 480#ifdef _KERNEL 481struct ifnet; struct mbuf; /* forward declarations for Standard C */ 482#endif 483 484/* INET6 stuff */ 485#define __KAME_NETINET_IN_H_INCLUDED_ 486#include <netinet6/in6.h> 487#undef __KAME_NETINET_IN_H_INCLUDED_ 488 489#ifdef _KERNEL 490 491int in_broadcast(struct in_addr, struct ifnet *); 492int in_canforward(struct in_addr); 493int in_localaddr(struct in_addr); 494char *inet_ntoa(struct in_addr); /* in libkern */ 495char *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 496 497#define satosin(sa) ((struct sockaddr_in *)(sa)) 498#define sintosa(sin) ((struct sockaddr *)(sin)) 499#define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 500 501#else /* !_KERNEL */ 502 503#ifndef _BYTEORDER_PROTOTYPED 504#define _BYTEORDER_PROTOTYPED 505__BEGIN_DECLS 506__uint32_t htonl(__uint32_t); 507__uint16_t htons(__uint16_t); 508__uint32_t ntohl(__uint32_t); 509__uint16_t ntohs(__uint16_t); 510__END_DECLS 511#endif 512 513#ifndef _BYTEORDER_FUNC_DEFINED 514#define _BYTEORDER_FUNC_DEFINED 515#define htonl(x) __htonl(x) 516#define htons(x) __htons(x) 517#define ntohl(x) __ntohl(x) 518#define ntohs(x) __ntohs(x) 519#endif 520 521#endif /* _KERNEL */ 522 523#endif 524