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