xref: /netbsd-src/sys/lib/libsa/netif.h (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
1 /*	$NetBSD: netif.h,v 1.2 1994/10/26 05:44:54 cgd Exp $	*/
2 
3 #ifndef __SYS_LIBNETBOOT_NETIF_H
4 #define __SYS_LIBNETBOOT_NETIF_H
5 #include "iodesc.h"
6 
7 #define NENTS(x)	sizeof(x)/sizeof(x[0])
8 
9 struct netif_driver {
10 	char	*netif_bname;
11 	int	(*netif_match) __P((struct netif *, void *));
12 	int	(*netif_probe) __P((struct netif *, void *));
13 	void	(*netif_init) __P((struct iodesc *, void *));
14 	int	(*netif_get) __P((struct iodesc *, void *, int, time_t));
15 	int	(*netif_put) __P((struct iodesc *, void *, int));
16 	void	(*netif_end) __P((struct netif *));
17 	struct	netif_dif *netif_ifs;
18 	int	netif_nifs;
19 };
20 
21 struct netif_dif {
22 	int		dif_unit;
23 	int		dif_nsel;
24 	struct netif_stats *dif_stats;
25 	void		*dif_private;
26 	/* the following fields are used internally by the netif layer */
27 	u_long		dif_used;
28 };
29 
30 struct netif_stats {
31 	int	collisions;
32 	int	collision_error;
33 	int	missed;
34 	int	sent;
35 	int	received;
36 	int	deferred;
37 	int	overflow;
38 };
39 
40 struct netif {
41 	struct netif_driver	*nif_driver;
42 	int			nif_unit;
43 	int			nif_sel;
44 };
45 
46 extern struct netif_driver	*netif_drivers[];	/* machdep */
47 extern int			n_netif_drivers;
48 
49 extern int			netif_debug;
50 
51 void		netif_init __P((void));
52 struct netif	*netif_select __P((void *));
53 int		netif_probe __P((struct netif *, void *));
54 void		netif_attach __P((struct netif *, struct iodesc *, void *));
55 void		netif_detach __P((struct netif *));
56 int		netif_get __P((struct iodesc *, void *, int, time_t));
57 int		netif_put __P((struct iodesc *, void *, int));
58 
59 int		netif_open __P((void *));
60 int		netif_close __P((int));
61 
62 struct iodesc	*socktodesc __P((int));
63 
64 #endif /* __SYS_LIBNETBOOT_NETIF_H */
65