xref: /dragonfly/stand/lib/netif.h (revision 655933d6)
1 /*	$NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $	*/
2 
3 /* $FreeBSD: src/lib/libstand/netif.h,v 1.1.1.1.6.1 2000/09/10 01:24:16 ps Exp $ */
4 
5 #ifndef _STAND_NETIF_H_
6 #define	_STAND_NETIF_H_
7 
8 #include "iodesc.h"
9 
10 #define NENTS(x)	sizeof(x)/sizeof(x[0])
11 
12 struct netif_driver {
13 	const	char *netif_bname;
14 	int	(*netif_match)(struct netif *, void *);
15 	int	(*netif_probe)(struct netif *, void *);
16 	void	(*netif_init)(struct iodesc *, void *);
17 	int	(*netif_get)(struct iodesc *, void *, size_t, time_t);
18 	int	(*netif_put)(struct iodesc *, void *, size_t);
19 	void	(*netif_end)(struct netif *);
20 	struct	netif_dif *netif_ifs;
21 	int	netif_nifs;
22 };
23 
24 struct netif_dif {
25 	int		dif_unit;
26 	int		dif_nsel;
27 	struct netif_stats *dif_stats;
28 	void		*dif_private;
29 	/* the following fields are used internally by the netif layer */
30 	u_long		dif_used;
31 };
32 
33 struct netif_stats {
34 	int	collisions;
35 	int	collision_error;
36 	int	missed;
37 	int	sent;
38 	int	received;
39 	int	deferred;
40 	int	overflow;
41 };
42 
43 struct netif {
44 	struct netif_driver	*nif_driver;
45 	int			nif_unit;
46 	int			nif_sel;
47 	void			*nif_devdata;
48 };
49 
50 extern struct netif_driver	*netif_drivers[];	/* machdep */
51 
52 extern int			netif_debug;
53 
54 void		netif_init(void);
55 struct netif	*netif_select(void *);
56 int		netif_probe(struct netif *, void *);
57 void		netif_attach(struct netif *, struct iodesc *, void *);
58 void		netif_detach(struct netif *);
59 ssize_t		netif_get(struct iodesc *, void *, size_t, time_t);
60 ssize_t		netif_put(struct iodesc *, void *, size_t);
61 
62 int		netif_open(void *);
63 int		netif_close(int);
64 
65 struct iodesc	*socktodesc(int);
66 
67 #endif /* !_STAND_NETIF_H_ */
68 
69