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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)in.h 8.3 (Berkeley) 1/3/94 30 * $FreeBSD: src/sys/netinet/in.h,v 1.68 2002/04/24 01:26:11 mike Exp $ 31 */ 32 33 #ifndef _NETINET_IN_H_ 34 #define _NETINET_IN_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/config.h> 38 #include <sys/_types.h> 39 #include <machine/endian.h> 40 41 /* Protocols common to RFC 1700, POSIX, and X/Open. */ 42 #define IPPROTO_IP 0 /* dummy for IP */ 43 #define IPPROTO_ICMP 1 /* control message protocol */ 44 #define IPPROTO_TCP 6 /* tcp */ 45 #define IPPROTO_UDP 17 /* user datagram protocol */ 46 47 #define INADDR_ANY (uint32_t)0x00000000 48 #define INADDR_BROADCAST (uint32_t)0xffffffff /* must be masked */ 49 50 #ifndef _UINT8_T_DECLARED 51 typedef __uint8_t uint8_t; 52 #define _UINT8_T_DECLARED 53 #endif 54 55 #ifndef _UINT16_T_DECLARED 56 typedef __uint16_t uint16_t; 57 #define _UINT16_T_DECLARED 58 #endif 59 60 #ifndef _UINT32_T_DECLARED 61 typedef __uint32_t uint32_t; 62 #define _UINT32_T_DECLARED 63 #endif 64 65 #ifndef _IN_ADDR_T_DECLARED 66 typedef uint32_t in_addr_t; 67 #define _IN_ADDR_T_DECLARED 68 #endif 69 70 #ifndef _IN_PORT_T_DECLARED 71 typedef uint16_t in_port_t; 72 #define _IN_PORT_T_DECLARED 73 #endif 74 75 typedef unsigned short sa_family_t; 76 77 #ifdef _BSD_SA_FAMILY_T_ 78 typedef _BSD_SA_FAMILY_T_ sa_family_t; 79 #undef _BSD_SA_FAMILY_T_ 80 #endif 81 82 /* Internet address (a structure for historical reasons). */ 83 #ifndef _STRUCT_IN_ADDR_DECLARED 84 struct in_addr { 85 in_addr_t s_addr; 86 }; 87 #define _STRUCT_IN_ADDR_DECLARED 88 #endif 89 90 /* Socket address, internet style. */ 91 struct sockaddr_in { 92 sa_family_t sin_family; 93 in_port_t sin_port; 94 struct in_addr sin_addr; 95 char sin_zero[8]; 96 }; 97 98 #if __POSIX_VISIBLE >= 200112 99 #define IPPROTO_RAW 255 /* raw IP packet */ 100 #define INET_ADDRSTRLEN 16 101 #endif 102 103 #define __BSD_VISIBLE 1 104 #if __BSD_VISIBLE 105 /* 106 * Constants and structures defined by the internet system, 107 * Per RFC 790, September 1981, and numerous additions. 108 */ 109 110 /* 111 * Protocols (RFC 1700) 112 */ 113 #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 114 #define IPPROTO_IGMP 2 /* group mgmt protocol */ 115 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 116 #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 117 #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 118 #define IPPROTO_ST 7 /* Stream protocol II */ 119 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 120 #define IPPROTO_PIGP 9 /* private interior gateway */ 121 #define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 122 #define IPPROTO_NVPII 11 /* network voice protocol*/ 123 #define IPPROTO_PUP 12 /* pup */ 124 #define IPPROTO_ARGUS 13 /* Argus */ 125 #define IPPROTO_EMCON 14 /* EMCON */ 126 #define IPPROTO_XNET 15 /* Cross Net Debugger */ 127 #define IPPROTO_CHAOS 16 /* Chaos*/ 128 #define IPPROTO_MUX 18 /* Multiplexing */ 129 #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 130 #define IPPROTO_HMP 20 /* Host Monitoring */ 131 #define IPPROTO_PRM 21 /* Packet Radio Measurement */ 132 #define IPPROTO_IDP 22 /* xns idp */ 133 #define IPPROTO_TRUNK1 23 /* Trunk-1 */ 134 #define IPPROTO_TRUNK2 24 /* Trunk-2 */ 135 #define IPPROTO_LEAF1 25 /* Leaf-1 */ 136 #define IPPROTO_LEAF2 26 /* Leaf-2 */ 137 #define IPPROTO_RDP 27 /* Reliable Data */ 138 #define IPPROTO_IRTP 28 /* Reliable Transaction */ 139 #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 140 #define IPPROTO_BLT 30 /* Bulk Data Transfer */ 141 #define IPPROTO_NSP 31 /* Network Services */ 142 #define IPPROTO_INP 32 /* Merit Internodal */ 143 #define IPPROTO_SEP 33 /* Sequential Exchange */ 144 #define IPPROTO_3PC 34 /* Third Party Connect */ 145 #define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 146 #define IPPROTO_XTP 36 /* XTP */ 147 #define IPPROTO_DDP 37 /* Datagram Delivery */ 148 #define IPPROTO_CMTP 38 /* Control Message Transport */ 149 #define IPPROTO_TPXX 39 /* TP++ Transport */ 150 #define IPPROTO_IL 40 /* IL transport protocol */ 151 #define IPPROTO_IPV6 41 /* IP6 header */ 152 #define IPPROTO_SDRP 42 /* Source Demand Routing */ 153 #define IPPROTO_ROUTING 43 /* IP6 routing header */ 154 #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 155 #define IPPROTO_IDRP 45 /* InterDomain Routing*/ 156 #define IPPROTO_RSVP 46 /* resource reservation */ 157 #define IPPROTO_GRE 47 /* General Routing Encap. */ 158 #define IPPROTO_MHRP 48 /* Mobile Host Routing */ 159 #define IPPROTO_BHA 49 /* BHA */ 160 #define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 161 #define IPPROTO_AH 51 /* IP6 Auth Header */ 162 #define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 163 #define IPPROTO_SWIPE 53 /* IP with encryption */ 164 #define IPPROTO_NHRP 54 /* Next Hop Resolution */ 165 #define IPPROTO_MOBILE 55 /* IP Mobility */ 166 #define IPPROTO_TLSP 56 /* Transport Layer Security */ 167 #define IPPROTO_SKIP 57 /* SKIP */ 168 #define IPPROTO_ICMPV6 58 /* ICMP6 */ 169 #define IPPROTO_NONE 59 /* IP6 no next header */ 170 #define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 171 #define IPPROTO_AHIP 61 /* any host internal protocol */ 172 #define IPPROTO_CFTP 62 /* CFTP */ 173 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 174 #define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 175 #define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 176 #define IPPROTO_RVD 66 /* Remote Virtual Disk */ 177 #define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 178 #define IPPROTO_ADFS 68 /* Any distributed FS */ 179 #define IPPROTO_SATMON 69 /* Satnet Monitoring */ 180 #define IPPROTO_VISA 70 /* VISA Protocol */ 181 #define IPPROTO_IPCV 71 /* Packet Core Utility */ 182 #define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 183 #define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 184 #define IPPROTO_WSN 74 /* Wang Span Network */ 185 #define IPPROTO_PVP 75 /* Packet Video Protocol */ 186 #define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 187 #define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 188 #define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 189 #define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 190 #define IPPROTO_EON 80 /* ISO cnlp */ 191 #define IPPROTO_VMTP 81 /* VMTP */ 192 #define IPPROTO_SVMTP 82 /* Secure VMTP */ 193 #define IPPROTO_VINES 83 /* Banyon VINES */ 194 #define IPPROTO_TTP 84 /* TTP */ 195 #define IPPROTO_IGP 85 /* NSFNET-IGP */ 196 #define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 197 #define IPPROTO_TCF 87 /* TCF */ 198 #define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 199 #define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 200 #define IPPROTO_SRPC 90 /* Strite RPC protocol */ 201 #define IPPROTO_LARP 91 /* Locus Address Resoloution */ 202 #define IPPROTO_MTP 92 /* Multicast Transport */ 203 #define IPPROTO_AX25 93 /* AX.25 Frames */ 204 #define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 205 #define IPPROTO_MICP 95 /* Mobile Int.ing control */ 206 #define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 207 #define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 208 #define IPPROTO_ENCAP 98 /* encapsulation header */ 209 #define IPPROTO_APES 99 /* any private encr. scheme */ 210 #define IPPROTO_GMTP 100 /* GMTP*/ 211 #define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 212 /* 101-254: Partly Unassigned */ 213 #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 214 #define IPPROTO_PGM 113 /* PGM */ 215 /* 255: Reserved */ 216 /* BSD Private, local use, namespace incursion */ 217 #define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 218 #define IPPROTO_MAX 256 219 220 /* last return value of *_input(), meaning "all job for this pkt is done". */ 221 #define IPPROTO_DONE 257 222 223 /* 224 * Local port number conventions: 225 * 226 * When a user does a bind(2) or connect(2) with a port number of zero, 227 * a non-conflicting local port address is chosen. 228 * The default range is IPPORT_HIFIRSTAUTO through 229 * IPPORT_HILASTAUTO, although that is settable by sysctl. 230 * 231 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 232 * default assignment range. 233 * 234 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 235 * 236 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 237 * into the "high" range. These are reserved for client outbound connections 238 * which do not want to be filtered by any firewalls. Note that by default 239 * this is the same as IP_PORTRANGE_DEFAULT. 240 * 241 * The value IP_PORTRANGE_LOW changes the range to the "low" are 242 * that is (by convention) restricted to privileged processes. This 243 * convention is based on "vouchsafe" principles only. It is only secure 244 * if you trust the remote host to restrict these ports. 245 * 246 * The default range of ports and the high range can be changed by 247 * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 248 * 249 * Changing those values has bad security implications if you are 250 * using a a stateless firewall that is allowing packets outside of that 251 * range in order to allow transparent outgoing connections. 252 * 253 * Such a firewall configuration will generally depend on the use of these 254 * default values. If you change them, you may find your Security 255 * Administrator looking for you with a heavy object. 256 * 257 * For a slightly more orthodox text view on this: 258 * 259 * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 260 * 261 * port numbers are divided into three ranges: 262 * 263 * 0 - 1023 Well Known Ports 264 * 1024 - 49151 Registered Ports 265 * 49152 - 65535 Dynamic and/or Private Ports 266 * 267 */ 268 269 /* 270 * Ports < IPPORT_RESERVED are reserved for 271 * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 272 */ 273 #define IPPORT_RESERVED 1024 274 275 /* 276 * Default local port range, used by both IP_PORTRANGE_DEFAULT 277 * and IP_PORTRANGE_HIGH. 278 */ 279 #define IPPORT_HIFIRSTAUTO 49152 280 #define IPPORT_HILASTAUTO 65535 281 282 /* 283 * Scanning for a free reserved port return a value below IPPORT_RESERVED, 284 * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 285 * 512, but that conflicts with some well-known-services that firewalls may 286 * have a fit if we use. 287 */ 288 #define IPPORT_RESERVEDSTART 600 289 290 #define IPPORT_MAX 65535 291 292 #ifndef _UINT8_T_DECLARED 293 typedef __uint8_t uint8_t; 294 #define _UINT8_T_DECLARED 295 #endif 296 297 #ifndef _UINT16_T_DECLARED 298 typedef __uint16_t uint16_t; 299 #define _UINT16_T_DECLARED 300 #endif 301 302 #ifndef _UINT32_T_DECLARED 303 typedef __uint32_t uint32_t; 304 #define _UINT32_T_DECLARED 305 #endif 306 307 #ifndef _IN_ADDR_T_DECLARED 308 typedef uint32_t in_addr_t; 309 #define _IN_ADDR_T_DECLARED 310 #endif 311 312 #ifndef _IN_PORT_T_DECLARED 313 typedef uint16_t in_port_t; 314 #define _IN_PORT_T_DECLARED 315 #endif 316 317 #ifdef _BSD_SA_FAMILY_T_ 318 typedef _BSD_SA_FAMILY_T_ sa_family_t; 319 #undef _BSD_SA_FAMILY_T_ 320 #endif 321 322 /* 323 * Internet address (a structure for historical reasons) 324 */ 325 #ifndef _STRUCT_IN_ADDR_DECLARED 326 struct in_addr { 327 in_addr_t s_addr; 328 }; 329 #define _STRUCT_IN_ADDR_DECLARED 330 #endif 331 332 /* 333 * Definitions of bits in internet address integers. 334 * On subnets, the decomposition of addresses to host and net parts 335 * is done according to subnet mask, not the masks here. 336 */ 337 #define IN_CLASSA(i) (((uint32_t)(i) & 0x80000000) == 0) 338 #define IN_CLASSA_NET 0xff000000 339 #define IN_CLASSA_NSHIFT 24 340 #define IN_CLASSA_HOST 0x00ffffff 341 #define IN_CLASSA_MAX 128 342 343 #define IN_CLASSB(i) (((uint32_t)(i) & 0xc0000000) == 0x80000000) 344 #define IN_CLASSB_NET 0xffff0000 345 #define IN_CLASSB_NSHIFT 16 346 #define IN_CLASSB_HOST 0x0000ffff 347 #define IN_CLASSB_MAX 65536 348 349 #define IN_CLASSC(i) (((uint32_t)(i) & 0xe0000000) == 0xc0000000) 350 #define IN_CLASSC_NET 0xffffff00 351 #define IN_CLASSC_NSHIFT 8 352 #define IN_CLASSC_HOST 0x000000ff 353 354 #define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000) 355 #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 356 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 357 #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 358 #define IN_MULTICAST(i) IN_CLASSD(i) 359 360 #define IN_EXPERIMENTAL(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000) 361 #define IN_BADCLASS(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000) 362 363 #define INADDR_LOOPBACK (uint32_t)0x7f000001 364 #ifndef _KERNEL 365 #define INADDR_NONE 0xffffffff /* -1 return */ 366 #endif 367 368 #define INADDR_UNSPEC_GROUP (uint32_t)0xe0000000 /* 224.0.0.0 */ 369 #define INADDR_ALLHOSTS_GROUP (uint32_t)0xe0000001 /* 224.0.0.1 */ 370 #define INADDR_ALLRTRS_GROUP (uint32_t)0xe0000002 /* 224.0.0.2 */ 371 #define INADDR_MAX_LOCAL_GROUP (uint32_t)0xe00000ff /* 224.0.0.255 */ 372 373 #define IN_LOOPBACKNET 127 /* official! */ 374 375 /* 376 * Options for use with [gs]etsockopt at the IP level. 377 * First word of comment is data type; bool is stored in int. 378 */ 379 #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 380 #define IP_HDRINCL 2 /* int; header is included with data */ 381 #define IP_TOS 3 /* int; IP type of service and preced. */ 382 #define IP_TTL 4 /* int; IP time to live */ 383 #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 384 #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 385 #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 386 #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 387 #define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 388 #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 389 #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 390 #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 391 #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 392 #define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 393 #define IP_RSVP_ON 15 /* enable RSVP in kernel */ 394 #define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 395 #define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 396 #define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 397 #define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 398 #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 399 /* for IPSEC */ 400 #define IP_IPSEC_POLICY 21 /* int; set/get security policy */ 401 #define IP_FAITH 22 /* bool; accept FAITH'ed connections */ 402 403 #define IP_FW_ADD 50 /* add a firewall rule to chain */ 404 #define IP_FW_DEL 51 /* delete a firewall rule from chain */ 405 #define IP_FW_FLUSH 52 /* flush firewall rule chain */ 406 #define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 407 #define IP_FW_GET 54 /* get entire firewall rule chain */ 408 #define IP_FW_RESETLOG 55 /* reset logging counters */ 409 410 #define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 411 #define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 412 #define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 413 #define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 414 415 /* 416 * Defaults and limits for options 417 */ 418 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 419 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 420 #define IP_MAX_MEMBERSHIPS 20 /* per socket */ 421 422 /* 423 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 424 */ 425 struct ip_mreq { 426 struct in_addr imr_multiaddr; /* IP multicast address of group */ 427 struct in_addr imr_interface; /* local IP address of interface */ 428 }; 429 430 /* 431 * Argument for IP_PORTRANGE: 432 * - which range to search when port is unspecified at bind() or connect() 433 */ 434 #define IP_PORTRANGE_DEFAULT 0 /* default range */ 435 #define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 436 #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 437 438 /* 439 * Definitions for inet sysctl operations. 440 * 441 * Third level is protocol number. 442 * Fourth level is desired variable within that protocol. 443 */ 444 #define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 445 446 #define CTL_IPPROTO_NAMES { \ 447 { "ip", CTLTYPE_NODE }, \ 448 { "icmp", CTLTYPE_NODE }, \ 449 { "igmp", CTLTYPE_NODE }, \ 450 { "ggp", CTLTYPE_NODE }, \ 451 { 0, 0 }, \ 452 { 0, 0 }, \ 453 { "tcp", CTLTYPE_NODE }, \ 454 { 0, 0 }, \ 455 { "egp", CTLTYPE_NODE }, \ 456 { 0, 0 }, \ 457 { 0, 0 }, \ 458 { 0, 0 }, \ 459 { "pup", CTLTYPE_NODE }, \ 460 { 0, 0 }, \ 461 { 0, 0 }, \ 462 { 0, 0 }, \ 463 { 0, 0 }, \ 464 { "udp", CTLTYPE_NODE }, \ 465 { 0, 0 }, \ 466 { 0, 0 }, \ 467 { 0, 0 }, \ 468 { 0, 0 }, \ 469 { "idp", CTLTYPE_NODE }, \ 470 { 0, 0 }, \ 471 { 0, 0 }, \ 472 { 0, 0 }, \ 473 { 0, 0 }, \ 474 { 0, 0 }, \ 475 { 0, 0 }, \ 476 { 0, 0 }, \ 477 { 0, 0 }, \ 478 { 0, 0 }, \ 479 { 0, 0 }, \ 480 { 0, 0 }, \ 481 { 0, 0 }, \ 482 { 0, 0 }, \ 483 { 0, 0 }, \ 484 { 0, 0 }, \ 485 { 0, 0 }, \ 486 { 0, 0 }, \ 487 { 0, 0 }, \ 488 { 0, 0 }, \ 489 { 0, 0 }, \ 490 { 0, 0 }, \ 491 { 0, 0 }, \ 492 { 0, 0 }, \ 493 { 0, 0 }, \ 494 { 0, 0 }, \ 495 { 0, 0 }, \ 496 { 0, 0 }, \ 497 { 0, 0 }, \ 498 { "ipsec", CTLTYPE_NODE }, \ 499 } 500 501 /* 502 * Names for IP sysctl objects 503 */ 504 #define IPCTL_FORWARDING 1 /* act as router */ 505 #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 506 #define IPCTL_DEFTTL 3 /* default TTL */ 507 #ifdef notyet 508 #define IPCTL_DEFMTU 4 /* default MTU */ 509 #endif 510 #define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 511 #define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 512 #define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 513 #define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 514 #define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 515 #define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 516 #define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 517 #define IPCTL_STATS 12 /* ipstat structure */ 518 #define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 519 #define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 520 #define IPCTL_KEEPFAITH 15 /* FAITH IPv4->IPv6 translater ctl */ 521 #define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 522 #define IPCTL_MAXID 17 523 524 #define IPCTL_NAMES { \ 525 { 0, 0 }, \ 526 { "forwarding", CTLTYPE_INT }, \ 527 { "redirect", CTLTYPE_INT }, \ 528 { "ttl", CTLTYPE_INT }, \ 529 { "mtu", CTLTYPE_INT }, \ 530 { "rtexpire", CTLTYPE_INT }, \ 531 { "rtminexpire", CTLTYPE_INT }, \ 532 { "rtmaxcache", CTLTYPE_INT }, \ 533 { "sourceroute", CTLTYPE_INT }, \ 534 { "directed-broadcast", CTLTYPE_INT }, \ 535 { "intr-queue-maxlen", CTLTYPE_INT }, \ 536 { "intr-queue-drops", CTLTYPE_INT }, \ 537 { "stats", CTLTYPE_STRUCT }, \ 538 { "accept_sourceroute", CTLTYPE_INT }, \ 539 { "fastforwarding", CTLTYPE_INT }, \ 540 } 541 542 #endif /* __BSD_VISIBLE */ 543 544 #ifdef _KERNEL 545 546 struct ifnet; struct mbuf; /* forward declarations for Standard C */ 547 548 int in_broadcast(struct in_addr, struct ifnet *); 549 int in_canforward(struct in_addr); 550 int in_localaddr(struct in_addr); 551 char *inet_ntoa(struct in_addr); /* in libkern */ 552 char *inet_ntoa_r(struct in_addr ina, char *buf); /* in libkern */ 553 554 #define satosin(sa) ((struct sockaddr_in *)(sa)) 555 #define sintosa(sin) ((struct sockaddr *)(sin)) 556 #define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 557 558 #endif /* _KERNEL */ 559 560 /* INET6 stuff */ 561 #define __KAME_NETINET_IN_H_INCLUDED_ 562 #include <netinet6/in6.h> 563 #undef __KAME_NETINET_IN_H_INCLUDED_ 564 565 __BEGIN_DECLS 566 uint32_t htonl(uint32_t hostlong); 567 uint16_t htons(uint16_t hostshort); 568 uint32_t ntohl(uint32_t networklong); 569 uint16_t ntohs(uint16_t networkshort); 570 __END_DECLS 571 572 #endif /* !_NETINET_IN_H_*/ 573
