xref: /netbsd/sys/lib/libsa/netif.h (revision 6550d01e)
1 /*	$NetBSD: netif.h,v 1.7 2009/01/17 14:00:36 tsutsui Exp $	*/
2 
3 #ifndef __SYS_LIBNETBOOT_NETIF_H
4 #define __SYS_LIBNETBOOT_NETIF_H
5 
6 #include "iodesc.h"
7 
8 struct netif; /* forward */
9 
10 struct netif_driver {
11 	char	*netif_bname;
12 	int	(*netif_match)(struct netif *, void *);
13 	int	(*netif_probe)(struct netif *, void *);
14 	void	(*netif_init)(struct iodesc *, void *);
15 	int	(*netif_get)(struct iodesc *, void *, size_t, saseconds_t);
16 	int	(*netif_put)(struct iodesc *, void *, size_t);
17 	void	(*netif_end)(struct netif *);
18 	struct	netif_dif *netif_ifs;
19 	int	netif_nifs;
20 };
21 
22 struct netif_dif {
23 	int		dif_unit;
24 	int		dif_nsel;
25 	struct netif_stats *dif_stats;
26 	void		*dif_private;
27 	/* the following fields are used internally by the netif layer */
28 	u_long		dif_used;
29 };
30 
31 struct netif_stats {
32 	int	collisions;
33 	int	collision_error;
34 	int	missed;
35 	int	sent;
36 	int	received;
37 	int	deferred;
38 	int	overflow;
39 };
40 
41 struct netif {
42 	struct netif_driver	*nif_driver;
43 	int			nif_unit;
44 	int			nif_sel;
45 	void			*nif_devdata;
46 };
47 
48 extern struct netif_driver	*netif_drivers[];	/* machdep */
49 extern int			n_netif_drivers;
50 
51 extern int			netif_debug;
52 
53 void		netif_init(void);
54 struct netif	*netif_select(void *);
55 int		netif_probe(struct netif *, void *);
56 void		netif_attach(struct netif *, struct iodesc *, void *);
57 void		netif_detach(struct netif *);
58 
59 int		netif_open(void *);
60 int		netif_close(int);
61 
62 #endif /* __SYS_LIBNETBOOT_NETIF_H */
63