Annotation of embedaddon/pimd/include/netbsd/netinet/in.h, revision 1.1
1.1 ! misho 1: /* $NetBSD: in.h,v 1.86 2009/09/14 10:36:50 degroote Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1982, 1986, 1990, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. Neither the name of the University nor the names of its contributors
! 16: * may be used to endorse or promote products derived from this software
! 17: * without specific prior written permission.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 29: * SUCH DAMAGE.
! 30: *
! 31: * @(#)in.h 8.3 (Berkeley) 1/3/94
! 32: */
! 33:
! 34: /*
! 35: * Constants and structures defined by the internet system,
! 36: * Per RFC 790, September 1981, and numerous additions.
! 37: */
! 38:
! 39: #ifndef _NETINET_IN_H_
! 40: #define _NETINET_IN_H_
! 41:
! 42: #include <machine/int_types.h>
! 43:
! 44: #ifndef uint8_t
! 45: typedef __uint8_t uint8_t;
! 46: #define uint8_t __uint8_t
! 47: #endif
! 48:
! 49: #ifndef uint32_t
! 50: typedef __uint32_t uint32_t;
! 51: #define uint32_t __uint32_t
! 52: #endif
! 53:
! 54: #include <sys/ansi.h>
! 55:
! 56: #ifndef in_addr_t
! 57: typedef __in_addr_t in_addr_t;
! 58: #define in_addr_t __in_addr_t
! 59: #endif
! 60:
! 61: #ifndef in_port_t
! 62: typedef __in_port_t in_port_t;
! 63: #define in_port_t __in_port_t
! 64: #endif
! 65:
! 66: #ifndef sa_family_t
! 67: typedef __sa_family_t sa_family_t;
! 68: #define sa_family_t __sa_family_t
! 69: #endif
! 70:
! 71: /*
! 72: * Protocols
! 73: */
! 74: #define IPPROTO_IP 0 /* dummy for IP */
! 75: #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */
! 76: #define IPPROTO_ICMP 1 /* control message protocol */
! 77: #define IPPROTO_IGMP 2 /* group mgmt protocol */
! 78: #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
! 79: #define IPPROTO_IPV4 4 /* IP header */
! 80: #define IPPROTO_IPIP 4 /* IP inside IP */
! 81: #define IPPROTO_TCP 6 /* tcp */
! 82: #define IPPROTO_EGP 8 /* exterior gateway protocol */
! 83: #define IPPROTO_PUP 12 /* pup */
! 84: #define IPPROTO_UDP 17 /* user datagram protocol */
! 85: #define IPPROTO_IDP 22 /* xns idp */
! 86: #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */
! 87: #define IPPROTO_IPV6 41 /* IP6 header */
! 88: #define IPPROTO_ROUTING 43 /* IP6 routing header */
! 89: #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */
! 90: #define IPPROTO_RSVP 46 /* resource reservation */
! 91: #define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
! 92: #define IPPROTO_ESP 50 /* encap. security payload */
! 93: #define IPPROTO_AH 51 /* authentication header */
! 94: #define IPPROTO_MOBILE 55 /* IP Mobility RFC 2004 */
! 95: #define IPPROTO_IPV6_ICMP 58 /* IPv6 ICMP */
! 96: #define IPPROTO_ICMPV6 58 /* ICMP6 */
! 97: #define IPPROTO_NONE 59 /* IP6 no next header */
! 98: #define IPPROTO_DSTOPTS 60 /* IP6 destination option */
! 99: #define IPPROTO_EON 80 /* ISO cnlp */
! 100: #define IPPROTO_ETHERIP 97 /* Ethernet-in-IP */
! 101: #define IPPROTO_ENCAP 98 /* encapsulation header */
! 102: #define IPPROTO_PIM 103 /* Protocol indep. multicast */
! 103: #define IPPROTO_IPCOMP 108 /* IP Payload Comp. Protocol */
! 104: #define IPPROTO_VRRP 112 /* VRRP RFC 2338 */
! 105: #define IPPROTO_CARP 112 /* Common Address Resolution Protocol */
! 106: #define IPPROTO_PFSYNC 240 /* PFSYNC */
! 107: #define IPPROTO_RAW 255 /* raw IP packet */
! 108: #define IPPROTO_MAX 256
! 109:
! 110: /* last return value of *_input(), meaning "all job for this pkt is done". */
! 111: #define IPPROTO_DONE 257
! 112:
! 113: /* sysctl placeholder for (FAST_)IPSEC */
! 114: #define CTL_IPPROTO_IPSEC 258
! 115:
! 116:
! 117: /*
! 118: * Local port number conventions:
! 119: *
! 120: * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
! 121: * unless a kernel is compiled with IPNOPRIVPORTS defined.
! 122: *
! 123: * When a user does a bind(2) or connect(2) with a port number of zero,
! 124: * a non-conflicting local port address is chosen.
! 125: *
! 126: * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
! 127: * that is settable by sysctl(3); net.inet.ip.anonportmin and
! 128: * net.inet.ip.anonportmax respectively.
! 129: *
! 130: * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
! 131: * default assignment range.
! 132: *
! 133: * The value IP_PORTRANGE_DEFAULT causes the default behavior.
! 134: *
! 135: * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
! 136: * and exists only for FreeBSD compatibility purposes.
! 137: *
! 138: * The value IP_PORTRANGE_LOW changes the range to the "low" are
! 139: * that is (by convention) restricted to privileged processes.
! 140: * This convention is based on "vouchsafe" principles only.
! 141: * It is only secure if you trust the remote host to restrict these ports.
! 142: * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
! 143: */
! 144:
! 145: #define IPPORT_RESERVED 1024
! 146: #define IPPORT_ANONMIN 49152
! 147: #define IPPORT_ANONMAX 65535
! 148: #define IPPORT_RESERVEDMIN 600
! 149: #define IPPORT_RESERVEDMAX (IPPORT_RESERVED-1)
! 150:
! 151: /*
! 152: * Internet address (a structure for historical reasons)
! 153: */
! 154: struct in_addr {
! 155: in_addr_t s_addr;
! 156: } __packed;
! 157:
! 158: /*
! 159: * Definitions of bits in internet address integers.
! 160: * On subnets, the decomposition of addresses to host and net parts
! 161: * is done according to subnet mask, not the masks here.
! 162: *
! 163: * By byte-swapping the constants, we avoid ever having to byte-swap IP
! 164: * addresses inside the kernel. Unfortunately, user-level programs rely
! 165: * on these macros not doing byte-swapping.
! 166: */
! 167: #ifdef _KERNEL
! 168: #define __IPADDR(x) ((uint32_t) htonl((uint32_t)(x)))
! 169: #else
! 170: #define __IPADDR(x) ((uint32_t)(x))
! 171: #endif
! 172:
! 173: #define IN_CLASSA(i) (((uint32_t)(i) & __IPADDR(0x80000000)) == \
! 174: __IPADDR(0x00000000))
! 175: #define IN_CLASSA_NET __IPADDR(0xff000000)
! 176: #define IN_CLASSA_NSHIFT 24
! 177: #define IN_CLASSA_HOST __IPADDR(0x00ffffff)
! 178: #define IN_CLASSA_MAX 128
! 179:
! 180: #define IN_CLASSB(i) (((uint32_t)(i) & __IPADDR(0xc0000000)) == \
! 181: __IPADDR(0x80000000))
! 182: #define IN_CLASSB_NET __IPADDR(0xffff0000)
! 183: #define IN_CLASSB_NSHIFT 16
! 184: #define IN_CLASSB_HOST __IPADDR(0x0000ffff)
! 185: #define IN_CLASSB_MAX 65536
! 186:
! 187: #define IN_CLASSC(i) (((uint32_t)(i) & __IPADDR(0xe0000000)) == \
! 188: __IPADDR(0xc0000000))
! 189: #define IN_CLASSC_NET __IPADDR(0xffffff00)
! 190: #define IN_CLASSC_NSHIFT 8
! 191: #define IN_CLASSC_HOST __IPADDR(0x000000ff)
! 192:
! 193: #define IN_CLASSD(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
! 194: __IPADDR(0xe0000000))
! 195: /* These ones aren't really net and host fields, but routing needn't know. */
! 196: #define IN_CLASSD_NET __IPADDR(0xf0000000)
! 197: #define IN_CLASSD_NSHIFT 28
! 198: #define IN_CLASSD_HOST __IPADDR(0x0fffffff)
! 199: #define IN_MULTICAST(i) IN_CLASSD(i)
! 200:
! 201: #define IN_EXPERIMENTAL(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
! 202: __IPADDR(0xf0000000))
! 203: #define IN_BADCLASS(i) (((uint32_t)(i) & __IPADDR(0xf0000000)) == \
! 204: __IPADDR(0xf0000000))
! 205:
! 206: #define IN_LINKLOCAL(i) (((uint32_t)(i) & __IPADDR(0xffff0000)) == \
! 207: __IPADDR(0xa9fe0000))
! 208:
! 209: #define IN_PRIVATE(i) ((((uint32_t)(i) & __IPADDR(0xff000000)) == \
! 210: __IPADDR(0x0a000000)) || \
! 211: (((uint32_t)(i) & __IPADDR(0xfff00000)) == \
! 212: __IPADDR(0xac100000)) || \
! 213: (((uint32_t)(i) & __IPADDR(0xffff0000)) == \
! 214: __IPADDR(0xc0a80000)))
! 215:
! 216: #define IN_LOCAL_GROUP(i) (((uint32_t)(i) & __IPADDR(0xffffff00)) == \
! 217: __IPADDR(0xe0000000))
! 218:
! 219: #define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))
! 220:
! 221: #define INADDR_ANY __IPADDR(0x00000000)
! 222: #define INADDR_LOOPBACK __IPADDR(0x7f000001)
! 223: #define INADDR_BROADCAST __IPADDR(0xffffffff) /* must be masked */
! 224: #define INADDR_NONE __IPADDR(0xffffffff) /* -1 return */
! 225:
! 226: #define INADDR_UNSPEC_GROUP __IPADDR(0xe0000000) /* 224.0.0.0 */
! 227: #define INADDR_ALLHOSTS_GROUP __IPADDR(0xe0000001) /* 224.0.0.1 */
! 228: #define INADDR_ALLRTRS_GROUP __IPADDR(0xe0000002) /* 224.0.0.2 */
! 229: #define INADDR_CARP_GROUP __IPADDR(0xe0000012) /* 224.0.0.18 */
! 230: #define INADDR_MAX_LOCAL_GROUP __IPADDR(0xe00000ff) /* 224.0.0.255 */
! 231:
! 232: #define IN_LOOPBACKNET 127 /* official! */
! 233:
! 234: /*
! 235: * Socket address, internet style.
! 236: */
! 237: struct sockaddr_in {
! 238: uint8_t sin_len;
! 239: sa_family_t sin_family;
! 240: in_port_t sin_port;
! 241: struct in_addr sin_addr;
! 242: __int8_t sin_zero[8];
! 243: };
! 244:
! 245: #define INET_ADDRSTRLEN 16
! 246:
! 247: /*
! 248: * Structure used to describe IP options.
! 249: * Used to store options internally, to pass them to a process,
! 250: * or to restore options retrieved earlier.
! 251: * The ip_dst is used for the first-hop gateway when using a source route
! 252: * (this gets put into the header proper).
! 253: */
! 254: struct ip_opts {
! 255: struct in_addr ip_dst; /* first hop, 0 w/o src rt */
! 256: #if defined(__cplusplus)
! 257: __int8_t Ip_opts[40]; /* actually variable in size */
! 258: #else
! 259: __int8_t ip_opts[40]; /* actually variable in size */
! 260: #endif
! 261: };
! 262:
! 263: /*
! 264: * Options for use with [gs]etsockopt at the IP level.
! 265: * First word of comment is data type; bool is stored in int.
! 266: */
! 267: #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */
! 268: #define IP_HDRINCL 2 /* int; header is included with data */
! 269: #define IP_TOS 3 /* int; IP type of service and preced. */
! 270: #define IP_TTL 4 /* int; IP time to live */
! 271: #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */
! 272: #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */
! 273: #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */
! 274: #define IP_RETOPTS 8 /* ip_opts; set/get IP options */
! 275: #define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */
! 276: #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */
! 277: #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */
! 278: #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */
! 279: #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */
! 280: #define IP_PORTRANGE 19 /* int; range to use for ephemeral port */
! 281: #define IP_RECVIF 20 /* bool; receive reception if w/dgram */
! 282: #define IP_ERRORMTU 21 /* int; get MTU of last xmit = EMSGSIZE */
! 283: #if 1 /*IPSEC*/
! 284: #define IP_IPSEC_POLICY 22 /* struct; get/set security policy */
! 285: #endif
! 286: #define IP_RECVTTL 23 /* bool; receive IP TTL w/dgram */
! 287: #define IP_MINTTL 24 /* minimum TTL for packet or drop */
! 288:
! 289: /*
! 290: * Defaults and limits for options
! 291: */
! 292: #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
! 293: #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
! 294: #define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
! 295:
! 296: /*
! 297: * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
! 298: */
! 299: struct ip_mreq {
! 300: struct in_addr imr_multiaddr; /* IP multicast address of group */
! 301: struct in_addr imr_interface; /* local IP address of interface */
! 302: };
! 303:
! 304: /*
! 305: * Argument for IP_PORTRANGE:
! 306: * - which range to search when port is unspecified at bind() or connect()
! 307: */
! 308: #define IP_PORTRANGE_DEFAULT 0 /* default range */
! 309: #define IP_PORTRANGE_HIGH 1 /* same as DEFAULT (FreeBSD compat) */
! 310: #define IP_PORTRANGE_LOW 2 /* use privileged range */
! 311:
! 312: #if defined(_NETBSD_SOURCE)
! 313: /*
! 314: * Definitions for inet sysctl operations.
! 315: *
! 316: * Third level is protocol number.
! 317: * Fourth level is desired variable within that protocol.
! 318: */
! 319: #define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */
! 320:
! 321: #define CTL_IPPROTO_NAMES { \
! 322: { "ip", CTLTYPE_NODE }, \
! 323: { "icmp", CTLTYPE_NODE }, \
! 324: { "igmp", CTLTYPE_NODE }, \
! 325: { "ggp", CTLTYPE_NODE }, \
! 326: { 0, 0 }, \
! 327: { 0, 0 }, \
! 328: { "tcp", CTLTYPE_NODE }, \
! 329: { 0, 0 }, \
! 330: { "egp", CTLTYPE_NODE }, \
! 331: { 0, 0 }, \
! 332: { 0, 0 }, \
! 333: { 0, 0 }, \
! 334: { "pup", CTLTYPE_NODE }, \
! 335: { 0, 0 }, \
! 336: { 0, 0 }, \
! 337: { 0, 0 }, \
! 338: { 0, 0 }, \
! 339: { "udp", CTLTYPE_NODE }, \
! 340: { 0, 0 }, \
! 341: { 0, 0 }, \
! 342: { 0, 0 }, \
! 343: { 0, 0 }, \
! 344: { "idp", CTLTYPE_NODE }, \
! 345: { 0, 0 }, \
! 346: { 0, 0 }, \
! 347: { 0, 0 }, \
! 348: { 0, 0 }, \
! 349: { 0, 0 }, \
! 350: { 0, 0 }, \
! 351: { 0, 0 }, \
! 352: { 0, 0 }, \
! 353: { 0, 0 }, \
! 354: { 0, 0 }, \
! 355: { 0, 0 }, \
! 356: { 0, 0 }, \
! 357: { 0, 0 }, \
! 358: { 0, 0 }, \
! 359: { 0, 0 }, \
! 360: { 0, 0 }, \
! 361: { 0, 0 }, \
! 362: { 0, 0 }, \
! 363: { 0, 0 }, \
! 364: { 0, 0 }, \
! 365: { 0, 0 }, \
! 366: { 0, 0 }, \
! 367: { 0, 0 }, \
! 368: { 0, 0 }, \
! 369: { 0, 0 }, \
! 370: { 0, 0 }, \
! 371: { 0, 0 }, \
! 372: { 0, 0 }, \
! 373: { "ipsec", CTLTYPE_NODE }, \
! 374: { 0, 0 }, \
! 375: { 0, 0 }, \
! 376: { 0, 0 }, \
! 377: { 0, 0 }, \
! 378: { 0, 0 }, \
! 379: { 0, 0 }, \
! 380: { 0, 0 }, \
! 381: { 0, 0 }, \
! 382: { 0, 0 }, \
! 383: { 0, 0 }, \
! 384: { 0, 0 }, \
! 385: { 0, 0 }, \
! 386: { 0, 0 }, \
! 387: { 0, 0 }, \
! 388: { 0, 0 }, \
! 389: { 0, 0 }, \
! 390: { 0, 0 }, \
! 391: { 0, 0 }, \
! 392: { 0, 0 }, \
! 393: { 0, 0 }, \
! 394: { 0, 0 }, \
! 395: { 0, 0 }, \
! 396: { 0, 0 }, \
! 397: { 0, 0 }, \
! 398: { 0, 0 }, \
! 399: { 0, 0 }, \
! 400: { 0, 0 }, \
! 401: { 0, 0 }, \
! 402: { 0, 0 }, \
! 403: { 0, 0 }, \
! 404: { 0, 0 }, \
! 405: { 0, 0 }, \
! 406: { 0, 0 }, \
! 407: { 0, 0 }, \
! 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: { "pim", CTLTYPE_NODE }, \
! 426: }
! 427:
! 428: /*
! 429: * Names for IP sysctl objects
! 430: */
! 431: #define IPCTL_FORWARDING 1 /* act as router */
! 432: #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */
! 433: #define IPCTL_DEFTTL 3 /* default TTL */
! 434: #ifdef notyet
! 435: #define IPCTL_DEFMTU 4 /* default MTU */
! 436: #endif
! 437: #define IPCTL_FORWSRCRT 5 /* forward source-routed packets */
! 438: #define IPCTL_DIRECTEDBCAST 6 /* default broadcast behavior */
! 439: #define IPCTL_ALLOWSRCRT 7 /* allow/drop all source-routed pkts */
! 440: #define IPCTL_SUBNETSARELOCAL 8 /* treat subnets as local addresses */
! 441: #define IPCTL_MTUDISC 9 /* allow path MTU discovery */
! 442: #define IPCTL_ANONPORTMIN 10 /* minimum ephemeral port */
! 443: #define IPCTL_ANONPORTMAX 11 /* maximum ephemeral port */
! 444: #define IPCTL_MTUDISCTIMEOUT 12 /* allow path MTU discovery */
! 445: #define IPCTL_MAXFLOWS 13 /* maximum ip flows allowed */
! 446: #define IPCTL_HOSTZEROBROADCAST 14 /* is host zero a broadcast addr? */
! 447: #define IPCTL_GIF_TTL 15 /* default TTL for gif encap packet */
! 448: #define IPCTL_LOWPORTMIN 16 /* minimum reserved port */
! 449: #define IPCTL_LOWPORTMAX 17 /* maximum reserved port */
! 450: #define IPCTL_MAXFRAGPACKETS 18 /* max packets reassembly queue */
! 451: #define IPCTL_GRE_TTL 19 /* default TTL for gre encap packet */
! 452: #define IPCTL_CHECKINTERFACE 20 /* drop pkts in from 'wrong' iface */
! 453: #define IPCTL_IFQ 21 /* ipintrq node */
! 454: #define IPCTL_RANDOMID 22 /* use random IP ids (if configured) */
! 455: #define IPCTL_LOOPBACKCKSUM 23 /* do IP checksum on loopback */
! 456: #define IPCTL_STATS 24 /* IP statistics */
! 457: #define IPCTL_MAXID 25
! 458:
! 459: #define IPCTL_NAMES { \
! 460: { 0, 0 }, \
! 461: { "forwarding", CTLTYPE_INT }, \
! 462: { "redirect", CTLTYPE_INT }, \
! 463: { "ttl", CTLTYPE_INT }, \
! 464: { "mtu", CTLTYPE_INT }, \
! 465: { "forwsrcrt", CTLTYPE_INT }, \
! 466: { "directed-broadcast", CTLTYPE_INT }, \
! 467: { "allowsrcrt", CTLTYPE_INT }, \
! 468: { "subnetsarelocal", CTLTYPE_INT }, \
! 469: { "mtudisc", CTLTYPE_INT }, \
! 470: { "anonportmin", CTLTYPE_INT }, \
! 471: { "anonportmax", CTLTYPE_INT }, \
! 472: { "mtudisctimeout", CTLTYPE_INT }, \
! 473: { "maxflows", CTLTYPE_INT }, \
! 474: { "hostzerobroadcast", CTLTYPE_INT }, \
! 475: { "gifttl", CTLTYPE_INT }, \
! 476: { "lowportmin", CTLTYPE_INT }, \
! 477: { "lowportmax", CTLTYPE_INT }, \
! 478: { "maxfragpackets", CTLTYPE_INT }, \
! 479: { "grettl", CTLTYPE_INT }, \
! 480: { "checkinterface", CTLTYPE_INT }, \
! 481: { "ifq", CTLTYPE_NODE }, \
! 482: { "random_id", CTLTYPE_INT }, \
! 483: { "do_loopback_cksum", CTLTYPE_INT }, \
! 484: { "stats", CTLTYPE_STRUCT }, \
! 485: }
! 486: #endif /* _NETBSD_SOURCE */
! 487:
! 488: /* INET6 stuff */
! 489: #define __KAME_NETINET_IN_H_INCLUDED_
! 490: #include <netinet6/in6.h>
! 491: #undef __KAME_NETINET_IN_H_INCLUDED_
! 492:
! 493: #ifdef _KERNEL
! 494: /*
! 495: * in_cksum_phdr:
! 496: *
! 497: * Compute significant parts of the IPv4 checksum pseudo-header
! 498: * for use in a delayed TCP/UDP checksum calculation.
! 499: *
! 500: * Args:
! 501: *
! 502: * src Source IP address
! 503: * dst Destination IP address
! 504: * lenproto htons(proto-hdr-len + proto-number)
! 505: */
! 506: static __inline u_int16_t __unused
! 507: in_cksum_phdr(u_int32_t src, u_int32_t dst, u_int32_t lenproto)
! 508: {
! 509: u_int32_t sum;
! 510:
! 511: sum = lenproto +
! 512: (u_int16_t)(src >> 16) +
! 513: (u_int16_t)(src /*& 0xffff*/) +
! 514: (u_int16_t)(dst >> 16) +
! 515: (u_int16_t)(dst /*& 0xffff*/);
! 516:
! 517: sum = (u_int16_t)(sum >> 16) + (u_int16_t)(sum /*& 0xffff*/);
! 518:
! 519: if (sum > 0xffff)
! 520: sum -= 0xffff;
! 521:
! 522: return (sum);
! 523: }
! 524:
! 525: /*
! 526: * in_cksum_addword:
! 527: *
! 528: * Add the two 16-bit network-order values, carry, and return.
! 529: */
! 530: static __inline u_int16_t __unused
! 531: in_cksum_addword(u_int16_t a, u_int16_t b)
! 532: {
! 533: u_int32_t sum = a + b;
! 534:
! 535: if (sum > 0xffff)
! 536: sum -= 0xffff;
! 537:
! 538: return (sum);
! 539: }
! 540:
! 541: extern struct in_addr zeroin_addr;
! 542: extern u_char ip_protox[];
! 543: extern const struct sockaddr_in in_any;
! 544:
! 545: int in_broadcast(struct in_addr, struct ifnet *);
! 546: int in_canforward(struct in_addr);
! 547: int cpu_in_cksum(struct mbuf *, int, int, uint32_t);
! 548: int in_cksum(struct mbuf *, int);
! 549: int in4_cksum(struct mbuf *, u_int8_t, int, int);
! 550: void in_delayed_cksum(struct mbuf *);
! 551: int in_localaddr(struct in_addr);
! 552: void in_socktrim(struct sockaddr_in *);
! 553:
! 554: #define in_hosteq(s,t) ((s).s_addr == (t).s_addr)
! 555: #define in_nullhost(x) ((x).s_addr == INADDR_ANY)
! 556:
! 557: #define satosin(sa) ((struct sockaddr_in *)(sa))
! 558: #define satocsin(sa) ((const struct sockaddr_in *)(sa))
! 559: #define sintosa(sin) ((struct sockaddr *)(sin))
! 560: #define sintocsa(sin) ((const struct sockaddr *)(sin))
! 561: #define ifatoia(ifa) ((struct in_ifaddr *)(ifa))
! 562:
! 563: int sockaddr_in_cmp(const struct sockaddr *, const struct sockaddr *);
! 564: const void *sockaddr_in_const_addr(const struct sockaddr *, socklen_t *);
! 565: void *sockaddr_in_addr(struct sockaddr *, socklen_t *);
! 566:
! 567: static inline void
! 568: sockaddr_in_init1(struct sockaddr_in *sin, const struct in_addr *addr,
! 569: in_port_t port)
! 570: {
! 571: sin->sin_port = port;
! 572: sin->sin_addr = *addr;
! 573: memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
! 574: }
! 575:
! 576: static inline void
! 577: sockaddr_in_init(struct sockaddr_in *sin, const struct in_addr *addr,
! 578: in_port_t port)
! 579: {
! 580: sin->sin_family = AF_INET;
! 581: sin->sin_len = sizeof(*sin);
! 582: sockaddr_in_init1(sin, addr, port);
! 583: }
! 584:
! 585: static inline struct sockaddr *
! 586: sockaddr_in_alloc(const struct in_addr *addr, in_port_t port, int flags)
! 587: {
! 588: struct sockaddr *sa;
! 589:
! 590: sa = sockaddr_alloc(AF_INET, sizeof(struct sockaddr_in), flags);
! 591:
! 592: if (sa == NULL)
! 593: return NULL;
! 594:
! 595: sockaddr_in_init1(satosin(sa), addr, port);
! 596:
! 597: return sa;
! 598: }
! 599: #endif /* _KERNEL */
! 600:
! 601: #endif /* !_NETINET_IN_H_ */
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