RetroZilla/xpinstall/wizard/libxpnet/GUSI/include/netinet/in.h
2015-10-20 23:03:22 -04:00

249 lines
7.8 KiB
C

/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* [¤3 Deleted as of 22Jul99, see
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
* for details]
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)in.h 8.3 (Berkeley) 1/3/94
*/
/* Adapted for GUSI by Matthias Neeracher <neeri@iis.ee.ethz.ch> */
#ifndef _NETINET_IN_H_
#define _NETINET_IN_H_
/* xtonx() mandated available by XNS -- neeri */
#include <machine/endian.h>
/*
* Constants and structures defined by the internet system,
* Per RFC 790, September 1981, and numerous additions.
*/
/*
* Protocols
*/
#define IPPROTO_IP 0 /* dummy for IP */
#define IPPROTO_ICMP 1 /* control message protocol */
#define IPPROTO_IGMP 2 /* group mgmt protocol */
#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
#define IPPROTO_TCP 6 /* tcp */
#define IPPROTO_EGP 8 /* exterior gateway protocol */
#define IPPROTO_PUP 12 /* pup */
#define IPPROTO_UDP 17 /* user datagram protocol */
#define IPPROTO_IDP 22 /* xns idp */
#define IPPROTO_TP 29 /* tp-4 w/ class negotiation */
#define IPPROTO_EON 80 /* ISO cnlp */
#define IPPROTO_ENCAP 98 /* encapsulation header */
#define IPPROTO_RAW 255 /* raw IP packet */
#define IPPROTO_MAX 256
/*
* Local port number conventions:
* Ports < IPPORT_RESERVED are reserved for
* privileged processes (e.g. root).
* Ports > IPPORT_USERRESERVED are reserved
* for servers, not necessarily privileged.
*/
#define IPPORT_RESERVED 1024
#define IPPORT_USERRESERVED 5000
/* Types mandated by XNS -- neeri */
typedef uint16_t in_port_t;
typedef uint32_t in_addr_t;
/*
* Internet address (a structure for historical reasons)
*/
struct in_addr {
in_addr_t s_addr;
};
/*
* Definitions of bits in internet address integers.
* On subnets, the decomposition of addresses to host and net parts
* is done according to subnet mask, not the masks here.
*/
#define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST 0x00ffffff
#define IN_CLASSA_MAX 128
#define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
#define IN_CLASSB_NET 0xffff0000
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST 0x0000ffff
#define IN_CLASSB_MAX 65536
#define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
#define IN_CLASSC_NET 0xffffff00
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST 0x000000ff
#define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
#define IN_MULTICAST(i) IN_CLASSD(i)
#define IN_EXPERIMENTAL(i) (((long)(i) & 0xf0000000) == 0xf0000000)
#define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
#define INADDR_ANY (u_long)0x00000000
#define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
#define INADDR_NONE 0xffffffff /* -1 return */
#define INADDR_UNSPEC_GROUP (u_long)0xe0000000 /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP (u_long)0xe0000001 /* 224.0.0.1 */
#define INADDR_MAX_LOCAL_GROUP (u_long)0xe00000ff /* 224.0.0.255 */
#define IN_LOOPBACKNET 127 /* official! */
/* Mandated by XNS -- neeri */
#ifndef _SA_FAMILY_T_DEFINED
#define _SA_FAMILY_T_DEFINED
typedef uint16_t sa_family_t;
#endif
/*
* Socket address, internet style.
*/
struct sockaddr_in {
sa_family_t sin_family;
in_port_t sin_port;
struct in_addr sin_addr;
unsigned char sin_zero[8];
};
/*
* Structure used to describe IP options.
* Used to store options internally, to pass them to a process,
* or to restore options retrieved earlier.
* The ip_dst is used for the first-hop gateway when using a source route
* (this gets put into the header proper).
*/
typedef struct {
struct in_addr ip_dst; /* first hop, 0 w/o src rt */
char ip_opts[40]; /* actually variable in size */
} ip_opts;
/*
* Options for use with [gs]etsockopt at the IP level.
* First word of comment is data type; bool is stored in int.
*/
#define IP_OPTIONS 0x01
#define IP_TOS 0x02
#define IP_TTL 0x03
#define IP_REUSEADDR 0x04
#define IP_DONTROUTE 0x10
#define IP_BROADCAST 0x20
#define IP_HDRINCL 0x1002
#define IP_RCVOPTS 0x1005
#define IP_RCVDSTADDR 0x1007
#define IP_MULTICAST_IF 0x1010 /* set/get IP multicast interface */
#define IP_MULTICAST_TTL 0x1011 /* set/get IP multicast timetolive */
#define IP_MULTICAST_LOOP 0x1012 /* set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 0x1013 /* add an IP group membership */
#define IP_DROP_MEMBERSHIP 0x1014 /* drop an IP group membership */
#define IP_BROADCAST_IF 0x1015 /* Set interface for broadcasts */
#define IP_RCVIFADDR 0x1016 /* Set interface for broadcasts */
/*
* Defaults and limits for options
*/
#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
#define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
/*
* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
*/
struct ip_mreq {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
};
/*
* Definitions for inet sysctl operations.
*
* Third level is protocol number.
* Fourth level is desired variable within that protocol.
*/
#define IPPROTO_MAXID (IPPROTO_IDP + 1) /* don't list to IPPROTO_MAX */
#define CTL_IPPROTO_NAMES { \
{ "ip", CTLTYPE_NODE }, \
{ "icmp", CTLTYPE_NODE }, \
{ "igmp", CTLTYPE_NODE }, \
{ "ggp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "tcp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ "egp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "pup", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "udp", CTLTYPE_NODE }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ 0, 0 }, \
{ "idp", CTLTYPE_NODE }, \
}
/*
* Names for IP sysctl objects
*/
#define IPCTL_FORWARDING 1 /* act as router */
#define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */
#define IPCTL_DEFTTL 3 /* default TTL */
#ifdef notyet
#define IPCTL_DEFMTU 4 /* default MTU */
#endif
#define IPCTL_MAXID 5
#define IPCTL_NAMES { \
{ 0, 0 }, \
{ "forwarding", CTLTYPE_INT }, \
{ "redirect", CTLTYPE_INT }, \
{ "ttl", CTLTYPE_INT }, \
{ "mtu", CTLTYPE_INT }, \
}
#endif /* _NETINET_IN_H_ */