in.h revision 94379
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 94379 2002-04-10 19:30:58Z silby $ 35 */ 36 37#ifndef _NETINET_IN_H_ 38#define _NETINET_IN_H_ 39 40#include <sys/_types.h> 41 42/* 43 * Constants and structures defined by the internet system, 44 * Per RFC 790, September 1981, and numerous additions. 45 */ 46 47/* 48 * Protocols (RFC 1700) 49 */ 50#define IPPROTO_IP 0 /* dummy for IP */ 51#define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 52#define IPPROTO_ICMP 1 /* control message protocol */ 53#define IPPROTO_IGMP 2 /* group mgmt protocol */ 54#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 55#define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 56#define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 57#define IPPROTO_TCP 6 /* tcp */ 58#define IPPROTO_ST 7 /* Stream protocol II */ 59#define IPPROTO_EGP 8 /* exterior gateway protocol */ 60#define IPPROTO_PIGP 9 /* private interior gateway */ 61#define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 62#define IPPROTO_NVPII 11 /* network voice protocol*/ 63#define IPPROTO_PUP 12 /* pup */ 64#define IPPROTO_ARGUS 13 /* Argus */ 65#define IPPROTO_EMCON 14 /* EMCON */ 66#define IPPROTO_XNET 15 /* Cross Net Debugger */ 67#define IPPROTO_CHAOS 16 /* Chaos*/ 68#define IPPROTO_UDP 17 /* user datagram protocol */ 69#define IPPROTO_MUX 18 /* Multiplexing */ 70#define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 71#define IPPROTO_HMP 20 /* Host Monitoring */ 72#define IPPROTO_PRM 21 /* Packet Radio Measurement */ 73#define IPPROTO_IDP 22 /* xns idp */ 74#define IPPROTO_TRUNK1 23 /* Trunk-1 */ 75#define IPPROTO_TRUNK2 24 /* Trunk-2 */ 76#define IPPROTO_LEAF1 25 /* Leaf-1 */ 77#define IPPROTO_LEAF2 26 /* Leaf-2 */ 78#define IPPROTO_RDP 27 /* Reliable Data */ 79#define IPPROTO_IRTP 28 /* Reliable Transaction */ 80#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 81#define IPPROTO_BLT 30 /* Bulk Data Transfer */ 82#define IPPROTO_NSP 31 /* Network Services */ 83#define IPPROTO_INP 32 /* Merit Internodal */ 84#define IPPROTO_SEP 33 /* Sequential Exchange */ 85#define IPPROTO_3PC 34 /* Third Party Connect */ 86#define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 87#define IPPROTO_XTP 36 /* XTP */ 88#define IPPROTO_DDP 37 /* Datagram Delivery */ 89#define IPPROTO_CMTP 38 /* Control Message Transport */ 90#define IPPROTO_TPXX 39 /* TP++ Transport */ 91#define IPPROTO_IL 40 /* IL transport protocol */ 92#define IPPROTO_IPV6 41 /* IP6 header */ 93#define IPPROTO_SDRP 42 /* Source Demand Routing */ 94#define IPPROTO_ROUTING 43 /* IP6 routing header */ 95#define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 96#define IPPROTO_IDRP 45 /* InterDomain Routing*/ 97#define IPPROTO_RSVP 46 /* resource reservation */ 98#define IPPROTO_GRE 47 /* General Routing Encap. */ 99#define IPPROTO_MHRP 48 /* Mobile Host Routing */ 100#define IPPROTO_BHA 49 /* BHA */ 101#define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 102#define IPPROTO_AH 51 /* IP6 Auth Header */ 103#define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 104#define IPPROTO_SWIPE 53 /* IP with encryption */ 105#define IPPROTO_NHRP 54 /* Next Hop Resolution */ 106#define IPPROTO_MOBILE 55 /* IP Mobility */ 107#define IPPROTO_TLSP 56 /* Transport Layer Security */ 108#define IPPROTO_SKIP 57 /* SKIP */ 109#define IPPROTO_ICMPV6 58 /* ICMP6 */ 110#define IPPROTO_NONE 59 /* IP6 no next header */ 111#define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 112#define IPPROTO_AHIP 61 /* any host internal protocol */ 113#define IPPROTO_CFTP 62 /* CFTP */ 114#define IPPROTO_HELLO 63 /* "hello" routing protocol */ 115#define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 116#define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 117#define IPPROTO_RVD 66 /* Remote Virtual Disk */ 118#define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 119#define IPPROTO_ADFS 68 /* Any distributed FS */ 120#define IPPROTO_SATMON 69 /* Satnet Monitoring */ 121#define IPPROTO_VISA 70 /* VISA Protocol */ 122#define IPPROTO_IPCV 71 /* Packet Core Utility */ 123#define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 124#define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 125#define IPPROTO_WSN 74 /* Wang Span Network */ 126#define IPPROTO_PVP 75 /* Packet Video Protocol */ 127#define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 128#define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 129#define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 130#define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 131#define IPPROTO_EON 80 /* ISO cnlp */ 132#define IPPROTO_VMTP 81 /* VMTP */ 133#define IPPROTO_SVMTP 82 /* Secure VMTP */ 134#define IPPROTO_VINES 83 /* Banyon VINES */ 135#define IPPROTO_TTP 84 /* TTP */ 136#define IPPROTO_IGP 85 /* NSFNET-IGP */ 137#define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 138#define IPPROTO_TCF 87 /* TCF */ 139#define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 140#define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 141#define IPPROTO_SRPC 90 /* Strite RPC protocol */ 142#define IPPROTO_LARP 91 /* Locus Address Resoloution */ 143#define IPPROTO_MTP 92 /* Multicast Transport */ 144#define IPPROTO_AX25 93 /* AX.25 Frames */ 145#define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 146#define IPPROTO_MICP 95 /* Mobile Int.ing control */ 147#define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 148#define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 149#define IPPROTO_ENCAP 98 /* encapsulation header */ 150#define IPPROTO_APES 99 /* any private encr. scheme */ 151#define IPPROTO_GMTP 100 /* GMTP*/ 152#define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 153/* 101-254: Partly Unassigned */ 154#define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 155#define IPPROTO_PGM 113 /* PGM */ 156/* 255: Reserved */ 157/* BSD Private, local use, namespace incursion */ 158#define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 159#define IPPROTO_RAW 255 /* raw IP packet */ 160#define IPPROTO_MAX 256 161 162/* last return value of *_input(), meaning "all job for this pkt is done". */ 163#define IPPROTO_DONE 257 164 165/* 166 * Local port number conventions: 167 * 168 * When a user does a bind(2) or connect(2) with a port number of zero, 169 * a non-conflicting local port address is chosen. 170 * The default range is IPPORT_HIFIRSTAUTO through 171 * IPPORT_HILASTAUTO, although that is settable by sysctl. 172 * 173 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 174 * default assignment range. 175 * 176 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 177 * 178 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 179 * into the "high" range. These are reserved for client outbound connections 180 * which do not want to be filtered by any firewalls. Note that by default 181 * this is the same as IP_PORTRANGE_DEFAULT. 182 * 183 * The value IP_PORTRANGE_LOW changes the range to the "low" are 184 * that is (by convention) restricted to privileged processes. This 185 * convention is based on "vouchsafe" principles only. It is only secure 186 * if you trust the remote host to restrict these ports. 187 * 188 * The default range of ports and the high range can be changed by 189 * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 190 * 191 * Changing those values has bad security implications if you are 192 * using a a stateless firewall that is allowing packets outside of that 193 * range in order to allow transparent outgoing connections. 194 * 195 * Such a firewall configuration will generally depend on the use of these 196 * default values. If you change them, you may find your Security 197 * Administrator looking for you with a heavy object. 198 * 199 * For a slightly more orthodox text view on this: 200 * 201 * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 202 * 203 * port numbers are divided into three ranges: 204 * 205 * 0 - 1023 Well Known Ports 206 * 1024 - 49151 Registered Ports 207 * 49152 - 65535 Dynamic and/or Private Ports 208 * 209 */ 210 211/* 212 * Ports < IPPORT_RESERVED are reserved for 213 * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 214 */ 215#define IPPORT_RESERVED 1024 216 217/* 218 * Default local port range, used by both IP_PORTRANGE_DEFAULT 219 * and IP_PORTRANGE_HIGH. 220 */ 221#define IPPORT_HIFIRSTAUTO 49152 222#define IPPORT_HILASTAUTO 65535 223 224/* 225 * Scanning for a free reserved port return a value below IPPORT_RESERVED, 226 * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 227 * 512, but that conflicts with some well-known-services that firewalls may 228 * have a fit if we use. 229 */ 230#define IPPORT_RESERVEDSTART 600 231 232#define IPPORT_MAX 65535 233 234#ifndef _UINT8_T_DECLARED 235typedef __uint8_t uint8_t; 236#define _UINT8_T_DECLARED 237#endif 238 239#ifndef _UINT16_T_DECLARED 240typedef __uint16_t uint16_t; 241#define _UINT16_T_DECLARED 242#endif 243 244#ifndef _UINT32_T_DECLARED 245typedef __uint32_t uint32_t; 246#define _UINT32_T_DECLARED 247#endif 248 249#ifndef _IN_ADDR_T_DECLARED 250typedef uint32_t in_addr_t; 251#define _IN_ADDR_T_DECLARED 252#endif 253 254#ifndef _IN_PORT_T_DECLARED 255typedef uint16_t in_port_t; 256#define _IN_PORT_T_DECLARED 257#endif 258 259/* 260 * Internet address (a structure for historical reasons) 261 */ 262#ifndef _STRUCT_IN_ADDR_DECLARED 263struct in_addr { 264 in_addr_t s_addr; 265}; 266#define _STRUCT_IN_ADDR_DECLARED 267#endif 268 269/* 270 * Definitions of bits in internet address integers. 271 * On subnets, the decomposition of addresses to host and net parts 272 * is done according to subnet mask, not the masks here. 273 */ 274#define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) 275#define IN_CLASSA_NET 0xff000000 276#define IN_CLASSA_NSHIFT 24 277#define IN_CLASSA_HOST 0x00ffffff 278#define IN_CLASSA_MAX 128 279 280#define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) 281#define IN_CLASSB_NET 0xffff0000 282#define IN_CLASSB_NSHIFT 16 283#define IN_CLASSB_HOST 0x0000ffff 284#define IN_CLASSB_MAX 65536 285 286#define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) 287#define IN_CLASSC_NET 0xffffff00 288#define IN_CLASSC_NSHIFT 8 289#define IN_CLASSC_HOST 0x000000ff 290 291#define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) 292#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 293#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 294#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 295#define IN_MULTICAST(i) IN_CLASSD(i) 296 297#define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 298#define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) 299 300#define INADDR_ANY (u_int32_t)0x00000000 301#define INADDR_LOOPBACK (u_int32_t)0x7f000001 302#define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ 303#ifndef _KERNEL 304#define INADDR_NONE 0xffffffff /* -1 return */ 305#endif 306 307#define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ 308#define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ 309#define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ 310#define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ 311 312#define IN_LOOPBACKNET 127 /* official! */ 313 314/* 315 * Socket address, internet style. 316 */ 317struct sockaddr_in { 318 u_char sin_len; 319 u_char sin_family; 320 u_short sin_port; 321 struct in_addr sin_addr; 322 char sin_zero[8]; 323}; 324 325#define INET_ADDRSTRLEN 16 326 327/* 328 * Options for use with [gs]etsockopt at the IP level. 329 * First word of comment is data type; bool is stored in int. 330 */ 331#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 332#define IP_HDRINCL 2 /* int; header is included with data */ 333#define IP_TOS 3 /* int; IP type of service and preced. */ 334#define IP_TTL 4 /* int; IP time to live */ 335#define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 336#define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 337#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 338#define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 339#define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 340#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 341#define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 342#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 343#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 344#define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 345#define IP_RSVP_ON 15 /* enable RSVP in kernel */ 346#define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 347#define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 348#define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 349#define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 350#define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 351/* for IPSEC */ 352#define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 353#define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 354 355#define IP_FW_ADD 50 /* add a firewall rule to chain */ 356#define IP_FW_DEL 51 /* delete a firewall rule from chain */ 357#define IP_FW_FLUSH 52 /* flush firewall rule chain */ 358#define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 359#define IP_FW_GET 54 /* get entire firewall rule chain */ 360#define IP_FW_RESETLOG 55 /* reset logging counters */ 361 362#define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 363#define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 364#define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 365#define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 366 367/* 368 * Defaults and limits for options 369 */ 370#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 371#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 372#define IP_MAX_MEMBERSHIPS 20 /* per socket */ 373 374/* 375 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 376 */ 377struct ip_mreq { 378 struct in_addr imr_multiaddr; /* IP multicast address of group */ 379 struct in_addr imr_interface; /* local IP address of interface */ 380}; 381 382/* 383 * Argument for IP_PORTRANGE: 384 * - which range to search when port is unspecified at bind() or connect() 385 */ 386#define IP_PORTRANGE_DEFAULT 0 /* default range */ 387#define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 388#define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 389 390/* 391 * Definitions for inet sysctl operations. 392 * 393 * Third level is protocol number. 394 * Fourth level is desired variable within that protocol. 395 */ 396#define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 397 398#define CTL_IPPROTO_NAMES { \ 399 { "ip", CTLTYPE_NODE }, \ 400 { "icmp", CTLTYPE_NODE }, \ 401 { "igmp", CTLTYPE_NODE }, \ 402 { "ggp", CTLTYPE_NODE }, \ 403 { 0, 0 }, \ 404 { 0, 0 }, \ 405 { "tcp", CTLTYPE_NODE }, \ 406 { 0, 0 }, \ 407 { "egp", CTLTYPE_NODE }, \ 408 { 0, 0 }, \ 409 { 0, 0 }, \ 410 { 0, 0 }, \ 411 { "pup", CTLTYPE_NODE }, \ 412 { 0, 0 }, \ 413 { 0, 0 }, \ 414 { 0, 0 }, \ 415 { 0, 0 }, \ 416 { "udp", CTLTYPE_NODE }, \ 417 { 0, 0 }, \ 418 { 0, 0 }, \ 419 { 0, 0 }, \ 420 { 0, 0 }, \ 421 { "idp", CTLTYPE_NODE }, \ 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 { 0, 0 }, \ 437 { 0, 0 }, \ 438 { 0, 0 }, \ 439 { 0, 0 }, \ 440 { 0, 0 }, \ 441 { 0, 0 }, \ 442 { 0, 0 }, \ 443 { 0, 0 }, \ 444 { 0, 0 }, \ 445 { 0, 0 }, \ 446 { 0, 0 }, \ 447 { 0, 0 }, \ 448 { 0, 0 }, \ 449 { 0, 0 }, \ 450 { "ipsec", CTLTYPE_NODE }, \ 451} 452 453/* 454 * Names for IP sysctl objects 455 */ 456#define IPCTL_FORWARDING 1 /* act as router */ 457#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 458#define IPCTL_DEFTTL 3 /* default TTL */ 459#ifdef notyet 460#define IPCTL_DEFMTU 4 /* default MTU */ 461#endif 462#define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 463#define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 464#define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 465#define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 466#define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 467#define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 468#define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 469#define IPCTL_STATS 12 /* ipstat structure */ 470#define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 471#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 472#define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 473#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 474#define IPCTL_MAXID 17 475 476#define IPCTL_NAMES { \ 477 { 0, 0 }, \ 478 { "forwarding", CTLTYPE_INT }, \ 479 { "redirect", CTLTYPE_INT }, \ 480 { "ttl", CTLTYPE_INT }, \ 481 { "mtu", CTLTYPE_INT }, \ 482 { "rtexpire", CTLTYPE_INT }, \ 483 { "rtminexpire", CTLTYPE_INT }, \ 484 { "rtmaxcache", CTLTYPE_INT }, \ 485 { "sourceroute", CTLTYPE_INT }, \ 486 { "directed-broadcast", CTLTYPE_INT }, \ 487 { "intr-queue-maxlen", CTLTYPE_INT }, \ 488 { "intr-queue-drops", CTLTYPE_INT }, \ 489 { "stats", CTLTYPE_STRUCT }, \ 490 { "accept_sourceroute", CTLTYPE_INT }, \ 491 { "fastforwarding", CTLTYPE_INT }, \ 492} 493 494#ifdef _KERNEL 495struct ifnet; struct mbuf; /* forward declarations for Standard C */ 496#endif 497 498/* INET6 stuff */ 499#define __KAME_NETINET_IN_H_INCLUDED_ 500#include <netinet6/in6.h> 501#undef __KAME_NETINET_IN_H_INCLUDED_ 502 503#ifdef _KERNEL 504 505int in_broadcast(struct in_addr, struct ifnet *); 506int in_canforward(struct in_addr); 507int in_localaddr(struct in_addr); 508char *inet_ntoa(struct in_addr); /* in libkern */ 509char *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 510 511#define satosin(sa) ((struct sockaddr_in *)(sa)) 512#define sintosa(sin) ((struct sockaddr *)(sin)) 513#define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 514 515#else /* !_KERNEL */ 516 517#ifndef _BYTEORDER_PROTOTYPED 518#define _BYTEORDER_PROTOTYPED 519__BEGIN_DECLS 520uint32_t htonl(uint32_t); 521uint16_t htons(uint16_t); 522uint32_t ntohl(uint32_t); 523uint16_t ntohs(uint16_t); 524__END_DECLS 525#endif 526 527#ifndef _BYTEORDER_FUNC_DEFINED 528#define _BYTEORDER_FUNC_DEFINED 529#define htonl(x) __htonl(x) 530#define htons(x) __htons(x) 531#define ntohl(x) __ntohl(x) 532#define ntohs(x) __ntohs(x) 533#endif 534 535#endif /* _KERNEL */ 536 537#endif 538