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

/*	interface.h	4.1	83/01/11	*/

/*
 * 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 */
	int	int_net;			/* network # */
	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 below
 */
#define	IFF_UP		0x1		/* interface is up */
#define	IFF_BROADCAST	0x2		/* broadcast address valid */
#define	IFF_DEBUG	0x4		/* turn on debugging */
#define	IFF_ROUTE	0x8		/* routing entry installed */
#define	IFF_POINTOPOINT	0x10		/* interface is point-to-point link */
#define	IFF_PASSIVE	0x20		/* can't tell if up/down */
#define	IFF_INTERFACE	0x40		/* hardware interface */
#define	IFF_REMOTE	0x80		/* interface isn't on this machine */

struct	interface *if_ifwithaddr();
struct	interface *if_ifwithnet();
struct	interface *if_iflookup();
Commit	Line	Data
1ead8310 SL	1	/* interface.h 4.1 83/01/11 */
	2
	3	/*
	4	* Routing table management daemon.
	5	*/
	6
	7	/*
	8	* An ``interface'' is similar to an ifnet structure,
	9	* except it doesn't contain q'ing info, and it also
	10	* handles ``logical'' interfaces (remote gateways
	11	* that we want to keep polling even if they go down).
	12	* The list of interfaces which we maintain is used
	13	* in supplying the gratuitous routing table updates.
	14	*/
	15	struct interface {
	16	struct interface *int_next;
	17	struct sockaddr int_addr; /* address on this host */
	18	union {
	19	struct sockaddr intu_broadaddr;
	20	struct sockaddr intu_dstaddr;
	21	} int_intu;
	22	#define int_broadaddr int_intu.intu_broadaddr /* broadcast address */
	23	#define int_dstaddr int_intu.intu_dstaddr /* other end of p-to-p link */
	24	int int_metric; /* init's routing entry */
	25	int int_flags; /* see below */
	26	int int_net; /* network # */
	27	struct ifdebug int_input, int_output; /* packet tracing stuff */
	28	int int_ipackets; /* input packets received */
	29	int int_opackets; /* output packets sent */
	30	char int_name; / from kernel if structure */
	31	u_short int_transitions; /* times gone up-down */
	32	};
	33
	34	/*
	35	* 0x1 to 0x10 are reused from the kernel's ifnet definitions,
	36	* the others agree with the RTS_ flags defined below
	37	*/
	38	#define IFF_UP 0x1 /* interface is up */
	39	#define IFF_BROADCAST 0x2 /* broadcast address valid */
	40	#define IFF_DEBUG 0x4 /* turn on debugging */
	41	#define IFF_ROUTE 0x8 /* routing entry installed */
	42	#define IFF_POINTOPOINT 0x10 /* interface is point-to-point link */
	43	#define IFF_PASSIVE 0x20 /* can't tell if up/down */
	44	#define IFF_INTERFACE 0x40 /* hardware interface */
	45	#define IFF_REMOTE 0x80 /* interface isn't on this machine */
	46
	47	struct interface *if_ifwithaddr();
	48	struct interface *if_ifwithnet();
	49	struct interface *if_iflookup();