[unix-history] / sbin / routed / interface.h

/*
 * Copyright (c) 1983 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.
 *
 *	@(#)interface.h	5.6 (Berkeley) 6/1/90
 */

/*
 * Routing table management daemon.
 */

/*
 * An ``interface'' is similar to an ifnet structure,
 * except it doesn't contain q'ing info, and it also
 * handles ``logical'' interfaces (remote gateways
 * that we want to keep polling even if they go down).
 * The list of interfaces which we maintain is used
 * in supplying the gratuitous routing table updates.
 */
struct interface {
	struct	interface *int_next;
	struct	sockaddr int_addr;		/* address on this host */
	union {
		struct	sockaddr intu_broadaddr;
		struct	sockaddr intu_dstaddr;
	} int_intu;
#define	int_broadaddr	int_intu.intu_broadaddr	/* broadcast address */
#define	int_dstaddr	int_intu.intu_dstaddr	/* other end of p-to-p link */
	int	int_metric;			/* init's routing entry */
	int	int_flags;			/* see below */
	/* START INTERNET SPECIFIC */
	u_long	int_net;			/* network # */
	u_long	int_netmask;			/* net mask for addr */
	u_long	int_subnet;			/* subnet # */
	u_long	int_subnetmask;			/* subnet mask for addr */
	/* END INTERNET SPECIFIC */
	struct	ifdebug int_input, int_output;	/* packet tracing stuff */
	int	int_ipackets;			/* input packets received */
	int	int_opackets;			/* output packets sent */
	char	*int_name;			/* from kernel if structure */
	u_short	int_transitions;		/* times gone up-down */
};

/*
 * 0x1 to 0x10 are reused from the kernel's ifnet definitions,
 * the others agree with the RTS_ flags defined elsewhere.
 */
#define	IFF_UP		0x1		/* interface is up */
#define	IFF_BROADCAST	0x2		/* broadcast address valid */
#define	IFF_DEBUG	0x4		/* turn on debugging */
#define	IFF_LOOPBACK	0x8		/* software loopback net */
#define	IFF_POINTOPOINT	0x10		/* interface is point-to-point link */

#define	IFF_SUBNET	0x1000		/* interface on subnetted network */
#define	IFF_PASSIVE	0x2000		/* can't tell if up/down */
#define	IFF_INTERFACE	0x4000		/* hardware interface */
#define	IFF_REMOTE	0x8000		/* interface isn't on this machine */

struct	interface *if_ifwithaddr();
struct	interface *if_ifwithdstaddr();
struct	interface *if_ifwithnet();
struct	interface *if_iflookup();
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Copyright (c) 1983 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	*
	33	* @(#)interface.h 5.6 (Berkeley) 6/1/90
	34	*/
	35
	36	/*
	37	* Routing table management daemon.
	38	*/
	39
	40	/*
	41	* An ``interface'' is similar to an ifnet structure,
	42	* except it doesn't contain q'ing info, and it also
	43	* handles ``logical'' interfaces (remote gateways
	44	* that we want to keep polling even if they go down).
	45	* The list of interfaces which we maintain is used
	46	* in supplying the gratuitous routing table updates.
	47	*/
	48	struct interface {
	49	struct interface *int_next;
	50	struct sockaddr int_addr; /* address on this host */
	51	union {
	52	struct sockaddr intu_broadaddr;
	53	struct sockaddr intu_dstaddr;
	54	} int_intu;
	55	#define int_broadaddr int_intu.intu_broadaddr /* broadcast address */
	56	#define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */
	57	int int_metric; /* init's routing entry */
	58	int int_flags; /* see below */
	59	/* START INTERNET SPECIFIC */
	60	u_long int_net; /* network # */
	61	u_long int_netmask; /* net mask for addr */
	62	u_long int_subnet; /* subnet # */
	63	u_long int_subnetmask; /* subnet mask for addr */
	64	/* END INTERNET SPECIFIC */
65	struct ifdebug int_input, int_output; /* packet tracing stuff */
66	int int_ipackets; /* input packets received */
67	int int_opackets; /* output packets sent */
68	char int_name; / from kernel if structure */
69	u_short int_transitions; /* times gone up-down */
70	};
71
72	/*
73	* 0x1 to 0x10 are reused from the kernel's ifnet definitions,
74	* the others agree with the RTS_ flags defined elsewhere.
75	*/
76	#define IFF_UP 0x1 /* interface is up */
77	#define IFF_BROADCAST 0x2 /* broadcast address valid */
78	#define IFF_DEBUG 0x4 /* turn on debugging */
79	#define IFF_LOOPBACK 0x8 /* software loopback net */
80	#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
81
82	#define IFF_SUBNET 0x1000 /* interface on subnetted network */
83	#define IFF_PASSIVE 0x2000 /* can't tell if up/down */
84	#define IFF_INTERFACE 0x4000 /* hardware interface */
85	#define IFF_REMOTE 0x8000 /* interface isn't on this machine */
86
87	struct interface *if_ifwithaddr();
88	struct interface *if_ifwithdstaddr();
89	struct interface *if_ifwithnet();
90	struct interface *if_iflookup();