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authorsvn2git <svn2git@FreeBSD.org>1993-11-01 00:00:00 -0800
committersvn2git <svn2git@FreeBSD.org>1993-11-01 00:00:00 -0800
commit8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (patch)
treec5b2ce776438e0a52b492a2ab6ab41360b8ba1f6 /sys/netinet/in.h
downloadsrc-8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20.tar.gz
src-8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20.zip
Release FreeBSD 1.0release/1.0.0_cvs
This commit was manufactured to restore the state of the 1.0-RELEASE image. Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs.
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+/*
+ * Copyright (c) 1982, 1986, 1990 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 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.
+ *
+ * from: @(#)in.h 7.11 (Berkeley) 4/20/91
+ * $Id: in.h,v 1.3 1993/10/16 18:25:58 rgrimes Exp $
+ */
+
+#ifndef _NETINET_IN_H_
+#define _NETINET_IN_H_
+
+/*
+ * 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_TP 29 /* tp-4 w/ class negotiation */
+#define IPPROTO_EON 80 /* ISO cnlp */
+
+#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
+
+/*
+ * 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) & 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_MULTICAST(i) IN_CLASSD(i)
+
+#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
+
+#define INADDR_ANY (u_long)0x00000000
+#define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
+#ifndef KERNEL
+#define INADDR_NONE 0xffffffff /* -1 return */
+#endif
+
+#define IN_LOOPBACKNET 127 /* official! */
+
+/*
+ * Socket address, internet style.
+ */
+struct sockaddr_in {
+ u_char sin_len;
+ u_char sin_family;
+ u_short sin_port;
+ struct in_addr sin_addr;
+ 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).
+ */
+struct ip_opts {
+ struct in_addr ip_dst; /* first hop, 0 w/o src rt */
+ char ip_opts[40]; /* actually variable in size */
+};
+
+/*
+ * 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 1 /* buf/ip_opts; set/get IP per-packet options */
+#define IP_HDRINCL 2 /* int; header is included with data (raw) */
+#define IP_TOS 3 /* int; IP type of service and precedence */
+#define IP_TTL 4 /* int; IP time to live */
+#define IP_RECVOPTS 5 /* bool; receive all IP options w/datagram */
+#define IP_RECVRETOPTS 6 /* bool; receive IP options for response */
+#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/datagram */
+#define IP_RETOPTS 8 /* ip_opts; set/get IP per-packet options */
+
+#ifdef KERNEL
+struct in_addr in_makeaddr();
+u_long in_netof(), in_lnaof();
+#endif
+
+#endif /* _NETINET_IN_H_ */