[unix-history] / sys / netns / ns.h

/*
 * Copyright (c) 1984, 1985, 1986, 1987 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: @(#)ns.h	7.8 (Berkeley) 2/22/91
 *	$Id$
 */

/*
 * Constants and Structures defined by the Xerox Network Software
 * per "Internet Transport Protocols", XSIS 028112, December 1981
 */

/*
 * Protocols
 */
#define NSPROTO_RI	1		/* Routing Information */
#define NSPROTO_ECHO	2		/* Echo Protocol */
#define NSPROTO_ERROR	3		/* Error Protocol */
#define NSPROTO_PE	4		/* Packet Exchange */
#define NSPROTO_SPP	5		/* Sequenced Packet */
#define NSPROTO_RAW	255		/* Placemarker*/
#define NSPROTO_MAX	256		/* Placemarker*/


/*
 * Port/Socket numbers: network standard functions
 */

#define NSPORT_RI	1		/* Routing Information */
#define NSPORT_ECHO	2		/* Echo */
#define NSPORT_RE	3		/* Router Error */

/*
 * Ports < NSPORT_RESERVED are reserved for priveleged
 * processes (e.g. root).
 */
#define NSPORT_RESERVED		3000

/* flags passed to ns_output as last parameter */

#define	NS_FORWARDING		0x1	/* most of idp header exists */
#define	NS_ROUTETOIF		0x10	/* same as SO_DONTROUTE */
#define	NS_ALLOWBROADCAST	SO_BROADCAST	/* can send broadcast packets */

#define NS_MAXHOPS		15

/* flags passed to get/set socket option */
#define	SO_HEADERS_ON_INPUT	1
#define	SO_HEADERS_ON_OUTPUT	2
#define	SO_DEFAULT_HEADERS	3
#define	SO_LAST_HEADER		4
#define	SO_NSIP_ROUTE		5
#define SO_SEQNO		6
#define	SO_ALL_PACKETS		7
#define SO_MTU			8


/*
 * NS addressing
 */
union ns_host {
	u_char	c_host[6];
	u_short	s_host[3];
};

union ns_net {
	u_char	c_net[4];
	u_short	s_net[2];
};

union ns_net_u {
	union ns_net	net_e;
	u_long		long_e;
};

struct ns_addr {
	union ns_net	x_net;
	union ns_host	x_host;
	u_short	x_port;
};

/*
 * Socket address, Xerox style
 */
struct sockaddr_ns {
	u_char		sns_len;
	u_char		sns_family;
	struct ns_addr	sns_addr;
	char		sns_zero[2];
};
#define sns_port sns_addr.x_port

#ifdef vax
#define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
#endif
#define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
					((a).s_net[1]==(b).s_net[1]))
#define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
#define satons_addr(sa)	(((struct sockaddr_ns *)&(sa))->sns_addr)
#define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
	(s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
#define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
#define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
	((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))

#ifdef KERNEL
extern struct domain nsdomain;
union ns_host ns_thishost;
union ns_host ns_zerohost;
union ns_host ns_broadhost;
union ns_net ns_zeronet;
union ns_net ns_broadnet;
u_short ns_cksum();
#else

#include <sys/cdefs.h>

__BEGIN_DECLS
extern struct ns_addr ns_addr __P((const char *));
extern char *ns_ntoa __P((struct ns_addr));
__END_DECLS

#endif
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
	3	* 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	*
78ed81a3	33	* from: @(#)ns.h 7.8 (Berkeley) 2/22/91
78ed81a3	34	* $Id$
15637ed4 RG	35	*/
	36
	37	/*
	38	* Constants and Structures defined by the Xerox Network Software
	39	* per "Internet Transport Protocols", XSIS 028112, December 1981
	40	*/
	41
	42	/*
	43	* Protocols
	44	*/
	45	#define NSPROTO_RI 1 /* Routing Information */
	46	#define NSPROTO_ECHO 2 /* Echo Protocol */
	47	#define NSPROTO_ERROR 3 /* Error Protocol */
	48	#define NSPROTO_PE 4 /* Packet Exchange */
	49	#define NSPROTO_SPP 5 /* Sequenced Packet */
	50	#define NSPROTO_RAW 255 /* Placemarker*/
	51	#define NSPROTO_MAX 256 /* Placemarker*/
	52
	53
	54	/*
	55	* Port/Socket numbers: network standard functions
	56	*/
	57
	58	#define NSPORT_RI 1 /* Routing Information */
	59	#define NSPORT_ECHO 2 /* Echo */
	60	#define NSPORT_RE 3 /* Router Error */
	61
	62	/*
	63	* Ports < NSPORT_RESERVED are reserved for priveleged
	64	* processes (e.g. root).
	65	*/
	66	#define NSPORT_RESERVED 3000
	67
	68	/* flags passed to ns_output as last parameter */
	69
	70	#define NS_FORWARDING 0x1 /* most of idp header exists */
	71	#define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
	72	#define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
	73
	74	#define NS_MAXHOPS 15
	75
	76	/* flags passed to get/set socket option */
	77	#define SO_HEADERS_ON_INPUT 1
	78	#define SO_HEADERS_ON_OUTPUT 2
	79	#define SO_DEFAULT_HEADERS 3
	80	#define SO_LAST_HEADER 4
	81	#define SO_NSIP_ROUTE 5
	82	#define SO_SEQNO 6
	83	#define SO_ALL_PACKETS 7
	84	#define SO_MTU 8
	85
	86
	87	/*
	88	* NS addressing
	89	*/
	90	union ns_host {
	91	u_char c_host[6];
	92	u_short s_host[3];
	93	};
	94
	95	union ns_net {
	96	u_char c_net[4];
	97	u_short s_net[2];
	98	};
99
100	union ns_net_u {
101	union ns_net net_e;
102	u_long long_e;
103	};
104
105	struct ns_addr {
106	union ns_net x_net;
107	union ns_host x_host;
108	u_short x_port;
109	};
110
111	/*
112	* Socket address, Xerox style
113	*/
114	struct sockaddr_ns {
115	u_char sns_len;
116	u_char sns_family;
117	struct ns_addr sns_addr;
118	char sns_zero[2];
119	};
120	#define sns_port sns_addr.x_port
121
122	#ifdef vax
123	#define ns_netof(a) ((long ) & ((a).x_net)) /* XXX - not needed */
124	#endif
125	#define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
126	((a).s_net[1]==(b).s_net[1]))
127	#define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
128	#define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
129	#define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
130	(s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
131	#define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
132	#define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
133	((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
134
135	#ifdef KERNEL
136	extern struct domain nsdomain;
137	union ns_host ns_thishost;
138	union ns_host ns_zerohost;
139	union ns_host ns_broadhost;
140	union ns_net ns_zeronet;
141	union ns_net ns_broadnet;
142	u_short ns_cksum();
143	#else
144
145	#include <sys/cdefs.h>
146
147	__BEGIN_DECLS
148	extern struct ns_addr ns_addr __P((const char *));
149	extern char *ns_ntoa __P((struct ns_addr));
150	__END_DECLS
151
152	#endif