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. 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 1.48.2.10 2003/08/24 08:24:38 hsu Exp $ 31 */ 32 33 #ifndef _NETINET_IN_H_ 34 #define _NETINET_IN_H_ 35 36 #include <machine/stdint.h> 37 38 #ifndef _KERNEL 39 #include <machine/endian.h> 40 #ifndef _BYTEORDER_FUNC_DEFINED 41 #define _BYTEORDER_FUNC_DEFINED 42 #define htonl(x) __htonl(x) 43 #define htons(x) __htons(x) 44 #define ntohl(x) __ntohl(x) 45 #define ntohs(x) __ntohs(x) 46 #endif 47 #endif 48 49 #ifndef _IN_ADDR_T_DECLARED 50 typedef __uint32_t in_addr_t; /* base type for internet address */ 51 #define _IN_ADDR_T_DECLARED 52 #endif 53 54 #ifndef _IN_PORT_T_DECLARED 55 typedef __uint16_t in_port_t; 56 #define _IN_PORT_T_DECLARED 57 #endif 58 59 #ifndef _SA_FAMILY_T_DECLARED 60 typedef __uint8_t sa_family_t; 61 #define _SA_FAMILY_T_DECLARED 62 #endif 63 64 #ifndef _UINT8_T_DECLARED 65 typedef __uint8_t uint8_t; 66 #define _UINT8_T_DECLARED 67 #endif 68 #ifndef _UINT32_T_DECLARED 69 typedef __uint32_t uint32_t; 70 #define _UINT32_T_DECLARED 71 #endif 72 73 #ifndef _STRUCT_IN_ADDR_DECLARED 74 #define _STRUCT_IN_ADDR_DECLARED 75 /* 76 * Internet address (a structure for historical reasons) 77 */ 78 struct in_addr { 79 in_addr_t s_addr; 80 }; 81 #endif 82 83 /* 84 * Constants and structures defined by the internet system, 85 * Per RFC 790, September 1981, and numerous additions. 86 */ 87 88 /* 89 * Protocols (RFC 1700) that are part of standards 90 */ 91 #define IPPROTO_IP 0 /* dummy for IP */ 92 #define IPPROTO_ICMP 1 /* control message protocol */ 93 #define IPPROTO_TCP 6 /* tcp */ 94 #define IPPROTO_UDP 17 /* user datagram protocol */ 95 #define IPPROTO_IPV6 41 /* IP6 header */ 96 #if __POSIX_VISIBLE >= 200112 97 #define IPPROTO_RAW 255 /* raw IP packet */ 98 #endif 99 100 #if __BSD_VISIBLE 101 /* 102 * Protocols (RFC 1700) 103 */ 104 #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ 105 #define IPPROTO_IGMP 2 /* group mgmt protocol */ 106 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 107 #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ 108 #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ 109 #define IPPROTO_ST 7 /* Stream protocol II */ 110 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 111 #define IPPROTO_PIGP 9 /* private interior gateway */ 112 #define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ 113 #define IPPROTO_NVPII 11 /* network voice protocol*/ 114 #define IPPROTO_PUP 12 /* pup */ 115 #define IPPROTO_ARGUS 13 /* Argus */ 116 #define IPPROTO_EMCON 14 /* EMCON */ 117 #define IPPROTO_XNET 15 /* Cross Net Debugger */ 118 #define IPPROTO_CHAOS 16 /* Chaos*/ 119 #define IPPROTO_MUX 18 /* Multiplexing */ 120 #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ 121 #define IPPROTO_HMP 20 /* Host Monitoring */ 122 #define IPPROTO_PRM 21 /* Packet Radio Measurement */ 123 #define IPPROTO_IDP 22 /* xns idp */ 124 #define IPPROTO_TRUNK1 23 /* Trunk-1 */ 125 #define IPPROTO_TRUNK2 24 /* Trunk-2 */ 126 #define IPPROTO_LEAF1 25 /* Leaf-1 */ 127 #define IPPROTO_LEAF2 26 /* Leaf-2 */ 128 #define IPPROTO_RDP 27 /* Reliable Data */ 129 #define IPPROTO_IRTP 28 /* Reliable Transaction */ 130 #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ 131 #define IPPROTO_BLT 30 /* Bulk Data Transfer */ 132 #define IPPROTO_NSP 31 /* Network Services */ 133 #define IPPROTO_INP 32 /* Merit Internodal */ 134 #define IPPROTO_SEP 33 /* Sequential Exchange */ 135 #define IPPROTO_3PC 34 /* Third Party Connect */ 136 #define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ 137 #define IPPROTO_XTP 36 /* XTP */ 138 #define IPPROTO_DDP 37 /* Datagram Delivery */ 139 #define IPPROTO_CMTP 38 /* Control Message Transport */ 140 #define IPPROTO_TPXX 39 /* TP++ Transport */ 141 #define IPPROTO_IL 40 /* IL transport protocol */ 142 #define IPPROTO_SDRP 42 /* Source Demand Routing */ 143 #define IPPROTO_ROUTING 43 /* IP6 routing header */ 144 #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ 145 #define IPPROTO_IDRP 45 /* InterDomain Routing*/ 146 #define IPPROTO_RSVP 46 /* resource reservation */ 147 #define IPPROTO_GRE 47 /* General Routing Encap. */ 148 #define IPPROTO_MHRP 48 /* Mobile Host Routing */ 149 #define IPPROTO_BHA 49 /* BHA */ 150 #define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ 151 #define IPPROTO_AH 51 /* IP6 Auth Header */ 152 #define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ 153 #define IPPROTO_SWIPE 53 /* IP with encryption */ 154 #define IPPROTO_NHRP 54 /* Next Hop Resolution */ 155 #define IPPROTO_MOBILE 55 /* IP Mobility */ 156 #define IPPROTO_TLSP 56 /* Transport Layer Security */ 157 #define IPPROTO_SKIP 57 /* SKIP */ 158 #define IPPROTO_ICMPV6 58 /* ICMP6 */ 159 #define IPPROTO_NONE 59 /* IP6 no next header */ 160 #define IPPROTO_DSTOPTS 60 /* IP6 destination option */ 161 #define IPPROTO_AHIP 61 /* any host internal protocol */ 162 #define IPPROTO_CFTP 62 /* CFTP */ 163 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 164 #define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ 165 #define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ 166 #define IPPROTO_RVD 66 /* Remote Virtual Disk */ 167 #define IPPROTO_IPPC 67 /* Pluribus Packet Core */ 168 #define IPPROTO_ADFS 68 /* Any distributed FS */ 169 #define IPPROTO_SATMON 69 /* Satnet Monitoring */ 170 #define IPPROTO_VISA 70 /* VISA Protocol */ 171 #define IPPROTO_IPCV 71 /* Packet Core Utility */ 172 #define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ 173 #define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ 174 #define IPPROTO_WSN 74 /* Wang Span Network */ 175 #define IPPROTO_PVP 75 /* Packet Video Protocol */ 176 #define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ 177 #define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ 178 #define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ 179 #define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ 180 #define IPPROTO_EON 80 /* ISO cnlp */ 181 #define IPPROTO_VMTP 81 /* VMTP */ 182 #define IPPROTO_SVMTP 82 /* Secure VMTP */ 183 #define IPPROTO_VINES 83 /* Banyon VINES */ 184 #define IPPROTO_TTP 84 /* TTP */ 185 #define IPPROTO_IGP 85 /* NSFNET-IGP */ 186 #define IPPROTO_DGP 86 /* dissimilar gateway prot. */ 187 #define IPPROTO_TCF 87 /* TCF */ 188 #define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ 189 #define IPPROTO_OSPFIGP 89 /* OSPFIGP */ 190 #define IPPROTO_SRPC 90 /* Strite RPC protocol */ 191 #define IPPROTO_LARP 91 /* Locus Address Resoloution */ 192 #define IPPROTO_MTP 92 /* Multicast Transport */ 193 #define IPPROTO_AX25 93 /* AX.25 Frames */ 194 #define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ 195 #define IPPROTO_MICP 95 /* Mobile Int.ing control */ 196 #define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ 197 #define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ 198 #define IPPROTO_ENCAP 98 /* encapsulation header */ 199 #define IPPROTO_APES 99 /* any private encr. scheme */ 200 #define IPPROTO_GMTP 100 /* GMTP*/ 201 #define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ 202 /* 101-254: Partly Unassigned */ 203 #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ 204 #define IPPROTO_CARP 112 /* CARP */ 205 #define IPPROTO_PGM 113 /* PGM */ 206 #define IPPROTO_PFSYNC 240 /* PFSYNC */ 207 /* 255: Reserved */ 208 /* BSD Private, local use, namespace incursion */ 209 #define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ 210 #define IPPROTO_MAX 256 211 212 /* last return value of *_input(), meaning "all job for this pkt is done". */ 213 #define IPPROTO_DONE 257 214 215 /* Used by RSS: the layer3 protocol is unknown */ 216 #define IPPROTO_UNKNOWN 258 217 218 /* 219 * Local port number conventions: 220 * 221 * When a user does a bind(2) or connect(2) with a port number of zero, 222 * a non-conflicting local port address is chosen. 223 * The default range is IPPORT_RESERVED through 224 * IPPORT_USERRESERVED, although that is settable by sysctl. 225 * 226 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 227 * default assignment range. 228 * 229 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 230 * 231 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers 232 * into the "high" range. These are reserved for client outbound connections 233 * which do not want to be filtered by any firewalls. 234 * 235 * The value IP_PORTRANGE_LOW changes the range to the "low" are 236 * that is (by convention) restricted to privileged processes. This 237 * convention is based on "vouchsafe" principles only. It is only secure 238 * if you trust the remote host to restrict these ports. 239 * 240 * The default range of ports and the high range can be changed by 241 * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) 242 * 243 * Changing those values has bad security implications if you are 244 * using a a stateless firewall that is allowing packets outside of that 245 * range in order to allow transparent outgoing connections. 246 * 247 * Such a firewall configuration will generally depend on the use of these 248 * default values. If you change them, you may find your Security 249 * Administrator looking for you with a heavy object. 250 * 251 * For a slightly more orthodox text view on this: 252 * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers 253 * 254 * port numbers are divided into three ranges: 255 * 0 - 1023 Well Known Ports 256 * 1024 - 49151 Registered Ports 257 * 49152 - 65535 Dynamic and/or Private Ports 258 */ 259 260 /* 261 * Ports < IPPORT_RESERVED are reserved for 262 * privileged processes (e.g. root). (IP_PORTRANGE_LOW) 263 * Ports > IPPORT_USERRESERVED are reserved 264 * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) 265 */ 266 #define IPPORT_RESERVED 1024 267 #define IPPORT_USERRESERVED 5000 268 269 /* 270 * Default local port range to use by setting IP_PORTRANGE_HIGH 271 */ 272 #define IPPORT_HIFIRSTAUTO 49152 273 #define IPPORT_HILASTAUTO 65535 274 275 /* 276 * Scanning for a free reserved port return a value below IPPORT_RESERVED, 277 * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was 278 * 512, but that conflicts with some well-known-services that firewalls may 279 * have a fit if we use. 280 */ 281 #define IPPORT_RESERVEDSTART 600 282 283 #define IPPORT_MAX 65535 284 285 /* 286 * Definitions of bits in internet address integers. 287 * On subnets, the decomposition of addresses to host and net parts 288 * is done according to subnet mask, not the masks here. 289 */ 290 #define IN_CLASSA(i) (((uint32_t)(i) & 0x80000000) == 0) 291 #define IN_CLASSA_NET 0xff000000 292 #define IN_CLASSA_NSHIFT 24 293 #define IN_CLASSA_HOST 0x00ffffff 294 #define IN_CLASSA_MAX 128 295 296 #define IN_CLASSB(i) (((uint32_t)(i) & 0xc0000000) == 0x80000000) 297 #define IN_CLASSB_NET 0xffff0000 298 #define IN_CLASSB_NSHIFT 16 299 #define IN_CLASSB_HOST 0x0000ffff 300 #define IN_CLASSB_MAX 65536 301 302 #define IN_CLASSC(i) (((uint32_t)(i) & 0xe0000000) == 0xc0000000) 303 #define IN_CLASSC_NET 0xffffff00 304 #define IN_CLASSC_NSHIFT 8 305 #define IN_CLASSC_HOST 0x000000ff 306 307 #define IN_CLASSD(i) (((uint32_t)(i) & 0xf0000000) == 0xe0000000) 308 #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ 309 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 310 #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ 311 #define IN_MULTICAST(i) IN_CLASSD(i) 312 313 #define IN_EXPERIMENTAL(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000) 314 #define IN_BADCLASS(i) (((uint32_t)(i) & 0xf0000000) == 0xf0000000) 315 #endif /* __BSD_VISIBLE */ 316 317 #define INADDR_ANY (uint32_t)0x00000000 318 #if __BSD_VISIBLE 319 #define INADDR_LOOPBACK (uint32_t)0x7f000001 320 #endif 321 #define INADDR_BROADCAST (uint32_t)0xffffffff /* must be masked */ 322 #ifndef _KERNEL 323 #define INADDR_NONE 0xffffffff /* -1 return */ 324 #endif 325 326 #if __BSD_VISIBLE 327 #define INADDR_UNSPEC_GROUP (uint32_t)0xe0000000 /* 224.0.0.0 */ 328 #define INADDR_ALLHOSTS_GROUP (uint32_t)0xe0000001 /* 224.0.0.1 */ 329 #define INADDR_ALLRTRS_GROUP (uint32_t)0xe0000002 /* 224.0.0.2 */ 330 #define INADDR_CARP_GROUP (uint32_t)0xe0000012 /* 224.0.0.18 */ 331 #define INADDR_PFSYNC_GROUP (uint32_t)0xe00000f0 /* 224.0.0.240 */ 332 #define INADDR_ALLMDNS_GROUP (uint32_t)0xe00000fb /* 224.0.0.251 */ 333 #define INADDR_MAX_LOCAL_GROUP (uint32_t)0xe00000ff /* 224.0.0.255 */ 334 335 #define IN_LOOPBACKNET 127 /* official! */ 336 337 #define IN_RFC3021_MASK (uint32_t)0xfffffffe 338 #endif 339 340 /* 341 * Socket address, internet style. 342 */ 343 struct sockaddr_in { 344 uint8_t sin_len; 345 sa_family_t sin_family; 346 in_port_t sin_port; 347 struct in_addr sin_addr; 348 char sin_zero[8]; 349 }; 350 351 #define INET_ADDRSTRLEN 16 352 353 #if __BSD_VISIBLE 354 /* 355 * Options for use with [gs]etsockopt at the IP level. 356 * First word of comment is data type; bool is stored in int. 357 */ 358 #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ 359 #define IP_HDRINCL 2 /* int; header is included with data */ 360 #define IP_TOS 3 /* int; IP type of service and preced. */ 361 #define IP_TTL 4 /* int; IP time to live */ 362 #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ 363 #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ 364 #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ 365 #define IP_SENDSRCADDR IP_RECVDSTADDR /* cmsg_type to set src addr */ 366 #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ 367 #define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ 368 #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ 369 #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ 370 #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ 371 #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ 372 #define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ 373 #define IP_RSVP_ON 15 /* enable RSVP in kernel */ 374 #define IP_RSVP_OFF 16 /* disable RSVP in kernel */ 375 #define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ 376 #define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ 377 #define IP_PORTRANGE 19 /* int; range to choose for unspec port */ 378 #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ 379 380 #define IP_FW_TBL_CREATE 40 /* create ipfw table */ 381 #define IP_FW_TBL_DESTROY 41 /* destroy ipfw table */ 382 #define IP_FW_TBL_ADD 42 /* add network/host to ipfw table */ 383 #define IP_FW_TBL_DEL 43 /* delete network/host from ipfw table */ 384 #define IP_FW_TBL_FLUSH 44 /* flush ipfw table */ 385 #define IP_FW_TBL_GET 45 /* list/show ipfw table */ 386 #define IP_FW_TBL_ZERO 46 /* clear ipfw table counters */ 387 #define IP_FW_TBL_EXPIRE 47 /* expire addresses in ipfw table */ 388 389 #define IP_FW_X 49 /* ipfw3 firewall */ 390 391 #define IP_FW_ADD 50 /* add a firewall rule to chain */ 392 #define IP_FW_DEL 51 /* delete a firewall rule from chain */ 393 #define IP_FW_FLUSH 52 /* flush firewall rule chain */ 394 #define IP_FW_ZERO 53 /* clear single/all firewall counter(s) */ 395 #define IP_FW_GET 54 /* get entire firewall rule chain */ 396 #define IP_FW_RESETLOG 55 /* reset logging counters */ 397 398 #define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ 399 #define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ 400 #define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ 401 #define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ 402 403 #define IP_RECVTTL 65 /* bool; receive IP TTL w/dgram */ 404 #define IP_MINTTL 66 /* minimum TTL for packet or drop */ 405 /* 67 IP_DONTFRAG */ 406 #define IP_RECVTOS 68 /* bool; receive IP TOS w/dgram */ 407 408 /* 409 * Defaults and limits for options 410 */ 411 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 412 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 413 #define IP_MAX_MEMBERSHIPS 20 /* per socket */ 414 415 /* 416 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 417 */ 418 struct ip_mreq { 419 struct in_addr imr_multiaddr; /* IP multicast address of group */ 420 struct in_addr imr_interface; /* local IP address of interface */ 421 }; 422 423 /* 424 * Modified argument structure for IP_MULTICAST_IF and IP_ADD_MEMBERSHIP, 425 * obtained from Linux. This is used to specify an interface index for 426 * multicast sends. 427 */ 428 struct ip_mreqn { 429 struct in_addr imr_multiaddr; /* IP multicast address of group */ 430 struct in_addr imr_address; /* local IP address of interface */ 431 int imr_ifindex; /* Interface index; cast to uint32_t */ 432 }; 433 434 /* 435 * Argument for IP_PORTRANGE: 436 * - which range to search when port is unspecified at bind() or connect() 437 */ 438 #define IP_PORTRANGE_DEFAULT 0 /* default range */ 439 #define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 440 #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 441 442 /* 443 * Definitions for inet sysctl operations. 444 * 445 * Third level is protocol number. 446 * Fourth level is desired variable within that protocol. 447 */ 448 #define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ 449 450 #define CTL_IPPROTO_NAMES { \ 451 { "ip", CTLTYPE_NODE }, \ 452 { "icmp", CTLTYPE_NODE }, \ 453 { "igmp", CTLTYPE_NODE }, \ 454 { "ggp", CTLTYPE_NODE }, \ 455 { 0, 0 }, \ 456 { 0, 0 }, \ 457 { "tcp", CTLTYPE_NODE }, \ 458 { 0, 0 }, \ 459 { "egp", CTLTYPE_NODE }, \ 460 { 0, 0 }, \ 461 { 0, 0 }, \ 462 { 0, 0 }, \ 463 { "pup", CTLTYPE_NODE }, \ 464 { 0, 0 }, \ 465 { 0, 0 }, \ 466 { 0, 0 }, \ 467 { 0, 0 }, \ 468 { "udp", CTLTYPE_NODE }, \ 469 { 0, 0 }, \ 470 { 0, 0 }, \ 471 { 0, 0 }, \ 472 { 0, 0 }, \ 473 { "idp", CTLTYPE_NODE }, \ 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 { 0, 0 }, \ 499 { 0, 0 }, \ 500 { 0, 0 }, \ 501 { 0, 0 }, \ 502 { 0, 0 }, \ 503 { 0, 0 }, \ 504 { 0, 0 }, \ 505 { 0, 0 }, \ 506 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 507 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 508 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 509 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 510 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 511 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 512 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 513 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 514 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 515 { 0, 0 }, \ 516 { 0, 0 }, \ 517 { 0, 0 }, \ 518 { "pim", CTLTYPE_NODE }, \ 519 } 520 521 /* 522 * Names for IP sysctl objects 523 */ 524 #define IPCTL_FORWARDING 1 /* act as router */ 525 #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 526 #define IPCTL_DEFTTL 3 /* default TTL */ 527 #ifdef notyet 528 #define IPCTL_DEFMTU 4 /* default MTU */ 529 #endif 530 #define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ 531 #define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ 532 #define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ 533 #define IPCTL_SOURCEROUTE 8 /* may perform source routes */ 534 #define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ 535 #define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ 536 #define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ 537 #define IPCTL_STATS 12 /* ipstat structure */ 538 #define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ 539 #define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ 540 #define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ 541 #define IPCTL_MAXID 17 542 543 #define IPCTL_NAMES { \ 544 { 0, 0 }, \ 545 { "forwarding", CTLTYPE_INT }, \ 546 { "redirect", CTLTYPE_INT }, \ 547 { "ttl", CTLTYPE_INT }, \ 548 { "mtu", CTLTYPE_INT }, \ 549 { "rtexpire", CTLTYPE_INT }, \ 550 { "rtminexpire", CTLTYPE_INT }, \ 551 { "rtmaxcache", CTLTYPE_INT }, \ 552 { "sourceroute", CTLTYPE_INT }, \ 553 { "directed-broadcast", CTLTYPE_INT }, \ 554 { "intr-queue-maxlen", CTLTYPE_INT }, \ 555 { "intr-queue-drops", CTLTYPE_INT }, \ 556 { "stats", CTLTYPE_STRUCT }, \ 557 { "accept_sourceroute", CTLTYPE_INT }, \ 558 { "fastforwarding", CTLTYPE_INT }, \ 559 } 560 #endif /* __BSD_VISIBLE */ 561 562 #ifdef _KERNEL 563 struct ifnet; struct mbuf; /* forward declarations for Standard C */ 564 #endif 565 566 /* INET6 stuff */ 567 #define __KAME_NETINET_IN_H_INCLUDED_ 568 #include <netinet6/in6.h> 569 #undef __KAME_NETINET_IN_H_INCLUDED_ 570 571 #ifdef _KERNEL 572 573 struct thread; 574 575 int in_broadcast(struct in_addr, struct ifnet *); 576 int in_canforward(struct in_addr); 577 int in_localaddr(struct in_addr); 578 char *kinet_ntoa(struct in_addr, char *); /* in libkern */ 579 char *inet_ntop(int, const void * __restrict, char * __restrict, 580 socklen_t); /* in libkern */ 581 582 #define in_hosteq(s, t) ((s).s_addr == (t).s_addr) 583 #define in_nullhost(x) ((x).s_addr == INADDR_ANY) 584 585 #define satosin(sa) ((struct sockaddr_in *)(sa)) 586 #define sintosa(sin) ((struct sockaddr *)(sin)) 587 #define ifatoia(ifa) ((struct in_ifaddr *)(ifa)) 588 589 #endif 590 591 #endif 592