reactos/drivers/lib/oskittcp/include/freebsd/src/sys/netinet/in.h

   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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)in.h        8.3 (Berkeley) 1/3/94
  34  */
  35
  36 #ifndef _NETINET_IN_H_
  37 #define _NETINET_IN_H_
  38
  39 /*
  40  * Constants and structures defined by the internet system,
  41  * Per RFC 790, September 1981, and numerous additions.
  42  */
  43
  44 /*
  45  * Protocols
  46  */
  47 #define IPPROTO_IP              0               /* dummy for IP */
  48 #define IPPROTO_ICMP            1               /* control message protocol */
  49 #define IPPROTO_IGMP            2               /* group mgmt protocol */
  50 #define IPPROTO_GGP             3               /* gateway^2 (deprecated) */
  51 #define IPPROTO_IPIP            4               /* IP encapsulation in IP */
  52 #define IPPROTO_TCP             6               /* tcp */
  53 #define IPPROTO_EGP             8               /* exterior gateway protocol */
  54 #define IPPROTO_PUP             12              /* pup */
  55 #define IPPROTO_UDP             17              /* user datagram protocol */
  56 #define IPPROTO_IDP             22              /* xns idp */
  57 #define IPPROTO_TP              29              /* tp-4 w/ class negotiation */
  58 #define IPPROTO_RSVP            46              /* resource reservation */
  59 #define IPPROTO_EON             80              /* ISO cnlp */
  60 #define IPPROTO_ENCAP           98              /* encapsulation header */
  61
  62 #define IPPROTO_RAW             255             /* raw IP packet */
  63 #define IPPROTO_MAX             256
  64
  65
  66 /*
  67  * Local port number conventions:
  68  * Ports < IPPORT_RESERVED are reserved for
  69  * privileged processes (e.g. root).
  70  * Ports > IPPORT_USERRESERVED are reserved
  71  * for servers, not necessarily privileged.
  72  */
  73 #define IPPORT_RESERVED         1024
  74 #define IPPORT_USERRESERVED     5000
  75
  76 /*
  77  * Internet address (a structure for historical reasons)
  78  */
  79 #ifndef _WINSOCKAPI_
  80 struct in_addr {
  81         u_long s_addr;
  82 };
  83 #endif//_WINSOCKAPI_
  84
  85 /*
  86  * Definitions of bits in internet address integers.
  87  * On subnets, the decomposition of addresses to host and net parts
  88  * is done according to subnet mask, not the masks here.
  89  */
  90 #define IN_CLASSA(i)            (((long)(i) & 0x80000000) == 0)
  91 #define IN_CLASSA_NET           0xff000000
  92 #define IN_CLASSA_NSHIFT        24
  93 #define IN_CLASSA_HOST          0x00ffffff
  94 #define IN_CLASSA_MAX           128
  95
  96 #define IN_CLASSB(i)            (((long)(i) & 0xc0000000) == 0x80000000)
  97 #define IN_CLASSB_NET           0xffff0000
  98 #define IN_CLASSB_NSHIFT        16
  99 #define IN_CLASSB_HOST          0x0000ffff
 100 #define IN_CLASSB_MAX           65536
 101
 102 #define IN_CLASSC(i)            (((long)(i) & 0xe0000000) == 0xc0000000)
 103 #define IN_CLASSC_NET           0xffffff00
 104 #define IN_CLASSC_NSHIFT        8
 105 #define IN_CLASSC_HOST          0x000000ff
 106
 107 #define IN_CLASSD(i)            (((long)(i) & 0xf0000000) == 0xe0000000)
 108 #define IN_CLASSD_NET           0xf0000000      /* These ones aren't really */
 109 #define IN_CLASSD_NSHIFT        28              /* net and host fields, but */
 110 #define IN_CLASSD_HOST          0x0fffffff      /* routing needn't know.    */
 111 #define IN_MULTICAST(i)         IN_CLASSD(i)
 112
 113 #define IN_EXPERIMENTAL(i)      (((long)(i) & 0xf0000000) == 0xf0000000)
 114 #define IN_BADCLASS(i)          (((long)(i) & 0xf0000000) == 0xf0000000)
 115
 116 #define INADDR_ANY              (u_long)0x00000000
 117 #define INADDR_BROADCAST        (u_long)0xffffffff      /* must be masked */
 118 #ifndef KERNEL
 119 #define INADDR_NONE             0xffffffff              /* -1 return */
 120 #endif
 121
 122 #define INADDR_UNSPEC_GROUP     (u_long)0xe0000000      /* 224.0.0.0 */
 123 #define INADDR_ALLHOSTS_GROUP   (u_long)0xe0000001      /* 224.0.0.1 */
 124 #define INADDR_MAX_LOCAL_GROUP  (u_long)0xe00000ff      /* 224.0.0.255 */
 125
 126 #define IN_LOOPBACKNET          127                     /* official! */
 127
 128 /*
 129  * Socket address, internet style.
 130  */
 131 #ifdef _WINSOCKAPI_
 132 #define sockaddr_in bsd_sockaddr_in
 133 #endif
 134 struct sockaddr_in {
 135         u_char  sin_len;
 136         u_char  sin_family;
 137         u_short sin_port;
 138         struct  in_addr sin_addr;
 139         char    sin_zero[8];
 140 };
 141
 142 /*
 143  * Structure used to describe IP options.
 144  * Used to store options internally, to pass them to a process,
 145  * or to restore options retrieved earlier.
 146  * The ip_dst is used for the first-hop gateway when using a source route
 147  * (this gets put into the header proper).
 148  */
 149 struct ip_opts {
 150         struct  in_addr ip_dst;         /* first hop, 0 w/o src rt */
 151         char    ip_opts[40];            /* actually variable in size */
 152 };
 153
 154 /*
 155  * Options for use with [gs]etsockopt at the IP level.
 156  * First word of comment is data type; bool is stored in int.
 157  */
 158 #define IP_OPTIONS              1    /* buf/ip_opts; set/get IP options */
 159 #define IP_HDRINCL              2    /* int; header is included with data */
 160 #define IP_TOS                  3    /* int; IP type of service and preced. */
 161 #define IP_TTL                  4    /* int; IP time to live */
 162 #define IP_RECVOPTS             5    /* bool; receive all IP opts w/dgram */
 163 #define IP_RECVRETOPTS          6    /* bool; receive IP opts for response */
 164 #define IP_RECVDSTADDR          7    /* bool; receive IP dst addr w/dgram */
 165 #define IP_RETOPTS              8    /* ip_opts; set/get IP options */
 166 #define IP_MULTICAST_IF         9    /* u_char; set/get IP multicast i/f  */
 167 #define IP_MULTICAST_TTL        10   /* u_char; set/get IP multicast ttl */
 168 #define IP_MULTICAST_LOOP       11   /* u_char; set/get IP multicast loopback */
 169 #define IP_ADD_MEMBERSHIP       12   /* ip_mreq; add an IP group membership */
 170 #define IP_DROP_MEMBERSHIP      13   /* ip_mreq; drop an IP group membership */
 171 #define IP_MULTICAST_VIF        14   /* set/get IP mcast virt. iface */
 172 #define IP_RSVP_ON              15   /* enable RSVP in kernel */
 173 #define IP_RSVP_OFF             16   /* disable RSVP in kernel */
 174 #define IP_RSVP_VIF_ON          17   /* set RSVP per-vif socket */
 175 #define IP_RSVP_VIF_OFF         18   /* unset RSVP per-vif socket */
 176
 177 /*
 178  * Defaults and limits for options
 179  */
 180 #define IP_DEFAULT_MULTICAST_TTL  1     /* normally limit m'casts to 1 hop  */
 181 #define IP_DEFAULT_MULTICAST_LOOP 1     /* normally hear sends if a member  */
 182 #define IP_MAX_MEMBERSHIPS      20      /* per socket */
 183
 184 /*
 185  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
 186  */
 187 struct ip_mreq {
 188         struct  in_addr imr_multiaddr;  /* IP multicast address of group */
 189         struct  in_addr imr_interface;  /* local IP address of interface */
 190 };
 191
 192 /*
 193  * Definitions for inet sysctl operations.
 194  *
 195  * Third level is protocol number.
 196  * Fourth level is desired variable within that protocol.
 197  */
 198 #define IPPROTO_MAXID   (IPPROTO_IDP + 1)       /* don't list to IPPROTO_MAX */
 199
 200 #define CTL_IPPROTO_NAMES { \
 201         { "ip", CTLTYPE_NODE }, \
 202         { "icmp", CTLTYPE_NODE }, \
 203         { "igmp", CTLTYPE_NODE }, \
 204         { "ggp", CTLTYPE_NODE }, \
 205         { 0, 0 }, \
 206         { 0, 0 }, \
 207         { "tcp", CTLTYPE_NODE }, \
 208         { 0, 0 }, \
 209         { "egp", CTLTYPE_NODE }, \
 210         { 0, 0 }, \
 211         { 0, 0 }, \
 212         { 0, 0 }, \
 213         { "pup", CTLTYPE_NODE }, \
 214         { 0, 0 }, \
 215         { 0, 0 }, \
 216         { 0, 0 }, \
 217         { 0, 0 }, \
 218         { "udp", CTLTYPE_NODE }, \
 219         { 0, 0 }, \
 220         { 0, 0 }, \
 221         { 0, 0 }, \
 222         { 0, 0 }, \
 223         { "idp", CTLTYPE_NODE }, \
 224 }
 225
 226 /*
 227  * Names for IP sysctl objects
 228  */
 229 #define IPCTL_FORWARDING        1       /* act as router */
 230 #define IPCTL_SENDREDIRECTS     2       /* may send redirects when forwarding */
 231 #define IPCTL_DEFTTL            3       /* default TTL */
 232 #ifdef notyet
 233 #define IPCTL_DEFMTU            4       /* default MTU */
 234 #define IPCTL_RTEXPIRE          5       /* cloned route expiration time */
 235 #define IPCTL_RTMINEXPIRE       6       /* min value for expiration time */
 236 #define IPCTL_RTMAXCACHE        7       /* trigger level for dynamic expire */
 237 #define IPCTL_SOURCEROUTE       8       /* may perform source routes */
 238 #define IPCTL_MAXID             9
 239 #endif
 240
 241 #define IPCTL_NAMES { \
 242         { 0, 0 }, \
 243         { "forwarding", CTLTYPE_INT }, \
 244         { "redirect", CTLTYPE_INT }, \
 245         { "ttl", CTLTYPE_INT }, \
 246         { "mtu", CTLTYPE_INT }, \
 247         { "rtexpire", CTLTYPE_INT }, \
 248         { "rtminexpire", CTLTYPE_INT }, \
 249         { "rtmaxcache", CTLTYPE_INT }, \
 250         { "sourceroute", CTLTYPE_INT }, \
 251 }
 252
 253
 254 #ifdef KERNEL
 255 struct ifnet; struct mbuf;      /* forward declarations for Standard C */
 256
 257 int      in_broadcast __P((struct in_addr, struct ifnet *));
 258 int      in_canforward __P((struct in_addr));
 259 int      in_cksum __P((struct mbuf *, int));
 260 int      in_localaddr __P((struct in_addr));
 261 u_long   in_netof __P((struct in_addr));
 262 void     in_socktrim __P((struct sockaddr_in *));
 263 #ifndef _WINSOCKAPI_
 264 char    *inet_ntoa __P((struct in_addr)); /* in libkern */
 265 #endif//_WINSOCKAPI_
 266 #endif
 267
 268 #endif
 269