Return to in.h CVS log

Up to [Apple Darwin 0.x] / kernel / bsd / netinet

Annotation of kernel/bsd/netinet/in.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*
        !            27:  * Copyright (c) 1982, 1986, 1990, 1993
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)in.h        8.3 (Berkeley) 1/3/94
        !            59:  */
        !            60: 
        !            61: /*
        !            62:  * Constants and structures defined by the internet system,
        !            63:  * Per RFC 790, September 1981, and numerous additions.
        !            64:  */
        !            65: 
        !            66: #ifndef _NETINET_IN_H_
        !            67: #define        _NETINET_IN_H_
        !            68: 
        !            69: /*
        !            70:  * Protocols
        !            71:  */
        !            72: #define        IPPROTO_IP              0               /* dummy for IP */
        !            73: #define        IPPROTO_ICMP            1               /* control message protocol */
        !            74: #define        IPPROTO_IGMP            2               /* group mgmt protocol */
        !            75: #define        IPPROTO_GGP             3               /* gateway^2 (deprecated) */
        !            76: #define        IPPROTO_TCP             6               /* tcp */
        !            77: #define        IPPROTO_EGP             8               /* exterior gateway protocol */
        !            78: #define        IPPROTO_PUP             12              /* pup */
        !            79: #define        IPPROTO_UDP             17              /* user datagram protocol */
        !            80: #define        IPPROTO_IDP             22              /* xns idp */
        !            81: #define        IPPROTO_TP              29              /* tp-4 w/ class negotiation */
        !            82: #define        IPPROTO_EON             80              /* ISO cnlp */
        !            83: #define        IPPROTO_ENCAP           98              /* encapsulation header */
        !            84: 
        !            85: #define        IPPROTO_RAW             255             /* raw IP packet */
        !            86: #define        IPPROTO_MAX             256
        !            87: 
        !            88: 
        !            89: /*
        !            90:  * Local port number conventions:
        !            91:  * Ports < IPPORT_RESERVED are reserved for
        !            92:  * privileged processes (e.g. root).
        !            93:  * Ports > IPPORT_USERRESERVED are reserved
        !            94:  * for servers, not necessarily privileged.
        !            95:  */
        !            96: #define        IPPORT_RESERVED         1024
        !            97: #define        IPPORT_USERRESERVED     5000
        !            98: 
        !            99: /*
        !           100:  * Internet address (a structure for historical reasons)
        !           101:  */
        !           102: struct in_addr {
        !           103:        u_long s_addr;
        !           104: };
        !           105: 
        !           106: /*
        !           107:  * Definitions of bits in internet address integers.
        !           108:  * On subnets, the decomposition of addresses to host and net parts
        !           109:  * is done according to subnet mask, not the masks here.
        !           110:  */
        !           111: #define        IN_CLASSA(i)            (((long)(i) & 0x80000000) == 0)
        !           112: #define        IN_CLASSA_NET           0xff000000
        !           113: #define        IN_CLASSA_NSHIFT        24
        !           114: #define        IN_CLASSA_HOST          0x00ffffff
        !           115: #define        IN_CLASSA_MAX           128
        !           116: 
        !           117: #define        IN_CLASSB(i)            (((long)(i) & 0xc0000000) == 0x80000000)
        !           118: #define        IN_CLASSB_NET           0xffff0000
        !           119: #define        IN_CLASSB_NSHIFT        16
        !           120: #define        IN_CLASSB_HOST          0x0000ffff
        !           121: #define        IN_CLASSB_MAX           65536
        !           122: 
        !           123: #define        IN_CLASSC(i)            (((long)(i) & 0xe0000000) == 0xc0000000)
        !           124: #define        IN_CLASSC_NET           0xffffff00
        !           125: #define        IN_CLASSC_NSHIFT        8
        !           126: #define        IN_CLASSC_HOST          0x000000ff
        !           127: 
        !           128: #define        IN_CLASSD(i)            (((long)(i) & 0xf0000000) == 0xe0000000)
        !           129: #define        IN_CLASSD_NET           0xf0000000      /* These ones aren't really */
        !           130: #define        IN_CLASSD_NSHIFT        28              /* net and host fields, but */
        !           131: #define        IN_CLASSD_HOST          0x0fffffff      /* routing needn't know.    */
        !           132: #define        IN_MULTICAST(i)         IN_CLASSD(i)
        !           133: 
        !           134: #define        IN_EXPERIMENTAL(i)      (((long)(i) & 0xf0000000) == 0xf0000000)
        !           135: #define        IN_BADCLASS(i)          (((long)(i) & 0xf0000000) == 0xf0000000)
        !           136: 
        !           137: #define        INADDR_ANY              (u_long)0x00000000
        !           138: #define INADDR_LOOPBACK                (u_long)0x7f000001
        !           139: #define        INADDR_BROADCAST        (u_long)0xffffffff      /* must be masked */
        !           140: #ifndef _KERNEL
        !           141: #define        INADDR_NONE             0xffffffff              /* -1 return */
        !           142: #endif
        !           143: 
        !           144: #define        INADDR_UNSPEC_GROUP     (u_long)0xe0000000      /* 224.0.0.0 */
        !           145: #define        INADDR_ALLHOSTS_GROUP   (u_long)0xe0000001      /* 224.0.0.1 */
        !           146: #define        INADDR_MAX_LOCAL_GROUP  (u_long)0xe00000ff      /* 224.0.0.255 */
        !           147: 
        !           148: #define        IN_LOOPBACKNET          127                     /* official! */
        !           149: 
        !           150: /*
        !           151:  * Socket address, internet style.
        !           152:  */
        !           153: struct sockaddr_in {
        !           154:        u_char  sin_len;
        !           155:        u_char  sin_family;
        !           156:        u_short sin_port;
        !           157:        struct  in_addr sin_addr;
        !           158:        char    sin_zero[8];
        !           159: };
        !           160: 
        !           161: /*
        !           162:  * Structure used to describe IP options.
        !           163:  * Used to store options internally, to pass them to a process,
        !           164:  * or to restore options retrieved earlier.
        !           165:  * The ip_dst is used for the first-hop gateway when using a source route
        !           166:  * (this gets put into the header proper).
        !           167:  */
        !           168: struct ip_opts {
        !           169:        struct  in_addr ip_dst;         /* first hop, 0 w/o src rt */
        !           170:        char    ip_opts[40];            /* actually variable in size */
        !           171: };
        !           172: 
        !           173: /*
        !           174:  * Options for use with [gs]etsockopt at the IP level.
        !           175:  * First word of comment is data type; bool is stored in int.
        !           176:  */
        !           177: #define        IP_OPTIONS              1    /* buf/ip_opts; set/get IP options */
        !           178: #define        IP_HDRINCL              2    /* int; header is included with data */
        !           179: #define        IP_TOS                  3    /* int; IP type of service and preced. */
        !           180: #define        IP_TTL                  4    /* int; IP time to live */
        !           181: #define        IP_RECVOPTS             5    /* bool; receive all IP opts w/dgram */
        !           182: #define        IP_RECVRETOPTS          6    /* bool; receive IP opts for response */
        !           183: #define        IP_RECVDSTADDR          7    /* bool; receive IP dst addr w/dgram */
        !           184: #define        IP_RETOPTS              8    /* ip_opts; set/get IP options */
        !           185: #define        IP_MULTICAST_IF         9    /* u_char; set/get IP multicast i/f  */
        !           186: #define        IP_MULTICAST_TTL        10   /* u_char; set/get IP multicast ttl */
        !           187: #define        IP_MULTICAST_LOOP       11   /* u_char; set/get IP multicast loopback */
        !           188: #define        IP_ADD_MEMBERSHIP       12   /* ip_mreq; add an IP group membership */
        !           189: #define        IP_DROP_MEMBERSHIP      13   /* ip_mreq; drop an IP group membership */
        !           190: 
        !           191: /*
        !           192:  * Defaults and limits for options
        !           193:  */
        !           194: #define        IP_DEFAULT_MULTICAST_TTL  1     /* normally limit m'casts to 1 hop  */
        !           195: #define        IP_DEFAULT_MULTICAST_LOOP 1     /* normally hear sends if a member  */
        !           196: #define        IP_MAX_MEMBERSHIPS      20      /* per socket; must fit in one mbuf */
        !           197: 
        !           198: /*
        !           199:  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
        !           200:  */
        !           201: struct ip_mreq {
        !           202:        struct  in_addr imr_multiaddr;  /* IP multicast address of group */
        !           203:        struct  in_addr imr_interface;  /* local IP address of interface */
        !           204: };
        !           205: 
        !           206: /*
        !           207:  * Definitions for inet sysctl operations.
        !           208:  *
        !           209:  * Third level is protocol number.
        !           210:  * Fourth level is desired variable within that protocol.
        !           211:  */
        !           212: #define        IPPROTO_MAXID   (IPPROTO_IDP + 1)       /* don't list to IPPROTO_MAX */
        !           213: 
        !           214: #define        CTL_IPPROTO_NAMES { \
        !           215:        { "ip", CTLTYPE_NODE }, \
        !           216:        { "icmp", CTLTYPE_NODE }, \
        !           217:        { "igmp", CTLTYPE_NODE }, \
        !           218:        { "ggp", CTLTYPE_NODE }, \
        !           219:        { 0, 0 }, \
        !           220:        { 0, 0 }, \
        !           221:        { "tcp", CTLTYPE_NODE }, \
        !           222:        { 0, 0 }, \
        !           223:        { "egp", CTLTYPE_NODE }, \
        !           224:        { 0, 0 }, \
        !           225:        { 0, 0 }, \
        !           226:        { 0, 0 }, \
        !           227:        { "pup", CTLTYPE_NODE }, \
        !           228:        { 0, 0 }, \
        !           229:        { 0, 0 }, \
        !           230:        { 0, 0 }, \
        !           231:        { 0, 0 }, \
        !           232:        { "udp", CTLTYPE_NODE }, \
        !           233:        { 0, 0 }, \
        !           234:        { 0, 0 }, \
        !           235:        { 0, 0 }, \
        !           236:        { 0, 0 }, \
        !           237:        { "idp", CTLTYPE_NODE }, \
        !           238: }
        !           239: 
        !           240: /*
        !           241:  * Names for IP sysctl objects
        !           242:  */
        !           243: #define        IPCTL_FORWARDING        1       /* act as router */
        !           244: #define        IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
        !           245: #define        IPCTL_DEFTTL            3       /* default TTL */
        !           246: #ifdef notyet
        !           247: #define        IPCTL_DEFMTU            4       /* default MTU */
        !           248: #endif
        !           249: #define        IPCTL_MAXID             5
        !           250: 
        !           251: #define        IPCTL_NAMES { \
        !           252:        { 0, 0 }, \
        !           253:        { "forwarding", CTLTYPE_INT }, \
        !           254:        { "redirect", CTLTYPE_INT }, \
        !           255:        { "ttl", CTLTYPE_INT }, \
        !           256:        { "mtu", CTLTYPE_INT }, \
        !           257: }
        !           258: 
        !           259: 
        !           260: #ifdef _KERNEL
        !           261: int     in_broadcast __P((struct in_addr, struct ifnet *));
        !           262: int     in_canforward __P((struct in_addr));
        !           263: int     in_cksum __P((struct mbuf *, int));
        !           264: int     in_localaddr __P((struct in_addr));
        !           265: u_long  in_netof __P((struct in_addr));
        !           266: void    in_socktrim __P((struct sockaddr_in *));
        !           267: #endif
        !           268: #endif /* !_NETINET_IN_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.