xref: /titanic_51/usr/src/boot/lib/libstand/netif.h (revision f64ca10231919db05e806441ccd6186ea9c6e734)
1 /*	$NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $	*/
2 
3 /* $FreeBSD$ */
4 
5 #ifndef __SYS_LIBNETBOOT_NETIF_H
6 #define __SYS_LIBNETBOOT_NETIF_H
7 #include "iodesc.h"
8 
9 #define NENTS(x)	sizeof(x)/sizeof(x[0])
10 
11 struct netif_driver {
12 	const	char *netif_bname;
13 	int	(*netif_match)(struct netif *, void *);
14 	int	(*netif_probe)(struct netif *, void *);
15 	void	(*netif_init)(struct iodesc *, void *);
16 	int	(*netif_get)(struct iodesc *, void *, size_t, time_t);
17 	int	(*netif_put)(struct iodesc *, void *, size_t);
18 	void	(*netif_end)(struct netif *);
19 	struct	netif_dif *netif_ifs;
20 	int	netif_nifs;
21 };
22 
23 struct netif_dif {
24 	int		dif_unit;
25 	int		dif_nsel;
26 	struct netif_stats *dif_stats;
27 	void		*dif_private;
28 	/* the following fields are used internally by the netif layer */
29 	u_long		dif_used;
30 };
31 
32 struct netif_stats {
33 	int	collisions;
34 	int	collision_error;
35 	int	missed;
36 	int	sent;
37 	int	received;
38 	int	deferred;
39 	int	overflow;
40 };
41 
42 struct netif {
43 	struct netif_driver	*nif_driver;
44 	int			nif_unit;
45 	int			nif_sel;
46 	void			*nif_devdata;
47 };
48 
49 extern struct netif_driver	*netif_drivers[];	/* machdep */
50 extern int			n_netif_drivers;
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 /* __SYS_LIBNETBOOT_NETIF_H */
68