166 lines
4.1 KiB
C
166 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1982, 1986 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms are permitted
|
|
* provided that this notice is preserved and that due credit is given
|
|
* to the University of California at Berkeley. The name of the University
|
|
* may not be used to endorse or promote products derived from this
|
|
* software without specific prior written permission. This software
|
|
* is provided ``as is'' without express or implied warranty.
|
|
*/
|
|
|
|
/*
|
|
* Constants and structures defined by the internet system,
|
|
* Per RFC 790, September 1981.
|
|
*/
|
|
|
|
/*
|
|
* Protocols
|
|
*/
|
|
#define IPPROTO_IP 0 /* dummy for IP */
|
|
#define IPPROTO_ICMP 1 /* control message 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_RAW 255 /* raw IP packet */
|
|
#define IPPROTO_MAX 256
|
|
|
|
|
|
/*
|
|
* 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
|
|
|
|
/*
|
|
* Link numbers
|
|
*/
|
|
#define IMPLINK_IP 155
|
|
#define IMPLINK_LOWEXPER 156
|
|
#define IMPLINK_HIGHEXPER 158
|
|
|
|
/*
|
|
* Internet address (a structure for historical reasons)
|
|
*/
|
|
struct in_addr {
|
|
u_long 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) & 0x80000000L) == 0)
|
|
#define IN_CLASSA_NET 0xff000000L
|
|
#define IN_CLASSA_NSHIFT 24
|
|
#define IN_CLASSA_HOST 0x00ffffffL
|
|
#define IN_CLASSA_MAX 128
|
|
|
|
#define IN_CLASSB(i) (((long)(i) & 0xc0000000L) == 0x80000000L)
|
|
#define IN_CLASSB_NET 0xffff0000L
|
|
#define IN_CLASSB_NSHIFT 16
|
|
#define IN_CLASSB_HOST 0x0000ffffL
|
|
#define IN_CLASSB_MAX 65536
|
|
|
|
#define IN_CLASSC(i) (((long)(i) & 0xe0000000L) == 0xc0000000L)
|
|
#define IN_CLASSC_NET 0xffffff00L
|
|
#define IN_CLASSC_NSHIFT 8
|
|
#define IN_CLASSC_HOST 0x000000ffL
|
|
|
|
#define IN_CLASSD(i) (((long)(i) & 0xf0000000L) == 0xe0000000L)
|
|
#define IN_MULTICAST(i) IN_CLASSD(i)
|
|
|
|
#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000L) == 0xe0000000L)
|
|
#define IN_BADCLASS(i) (((long)(i) & 0xf0000000L) == 0xf0000000L)
|
|
|
|
#define INADDR_ANY 0x00000000L
|
|
#define INADDR_BROADCAST 0xffffffffL /* must be masked */
|
|
#ifndef KERNEL
|
|
#define INADDR_NONE 0xffffffffL /* -1 return */
|
|
#endif
|
|
|
|
#define IN_LOOPBACKNET 127 /* official! */
|
|
|
|
/*
|
|
* Socket address, internet style.
|
|
*/
|
|
struct sockaddr_in {
|
|
short sin_family;
|
|
u_short sin_port;
|
|
struct in_addr sin_addr;
|
|
char sin_zero[8];
|
|
};
|
|
|
|
/*
|
|
* Options for use with [gs]etsockopt at the IP level.
|
|
*/
|
|
#define IP_OPTIONS 1 /* set/get IP per-packet options */
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
#ifndef KERNEL
|
|
#define CTL_IPPROTO_NAMES { \
|
|
{ "ip", CTLTYPE_NODE }, \
|
|
{ "icmp", CTLTYPE_NODE }, \
|
|
{ "igmp", CTLTYPE_NODE }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "tcp", CTLTYPE_NODE }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "udp", CTLTYPE_NODE }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "idp", CTLTYPE_NODE }, \
|
|
}
|
|
#endif /* KERNEL */
|
|
|
|
/*
|
|
* 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_FORWSRCRT 5 /* forward source-routed dgrams */
|
|
#define IPCTL_MAXID 6
|
|
|
|
#ifndef KERNEL
|
|
#define IPCTL_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "forwarding", CTLTYPE_INT }, \
|
|
{ "redirect", CTLTYPE_INT }, \
|
|
{ "ttl", CTLTYPE_INT }, \
|
|
{ "mtu", CTLTYPE_INT }, \
|
|
{ "forwsrcrt", CTLTYPE_INT }, \
|
|
}
|
|
#endif /* KERNEL */
|