xref: /openbsd-src/sys/lib/libsa/netif.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: netif.h,v 1.3 1996/10/29 08:44:10 mickey Exp $	*/
2 /*	$NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $	*/
3 
4 #ifndef __SYS_LIBNETBOOT_NETIF_H
5 #define __SYS_LIBNETBOOT_NETIF_H
6 #include "iodesc.h"
7 
8 struct netif_driver {
9 	char	*netif_bname;
10 	int	(*netif_match) __P((struct netif *, void *));
11 	int	(*netif_probe) __P((struct netif *, void *));
12 	void	(*netif_init) __P((struct iodesc *, void *));
13 	int	(*netif_get) __P((struct iodesc *, void *, size_t, time_t));
14 	int	(*netif_put) __P((struct iodesc *, void *, size_t));
15 	void	(*netif_end) __P((struct netif *));
16 	struct	netif_dif *netif_ifs;
17 	int	netif_nifs;
18 };
19 
20 struct netif_dif {
21 	int		dif_unit;
22 	int		dif_nsel;
23 	struct netif_stats *dif_stats;
24 	void		*dif_private;
25 	/* the following fields are used internally by the netif layer */
26 	u_long		dif_used;
27 };
28 
29 struct netif_stats {
30 	int	collisions;
31 	int	collision_error;
32 	int	missed;
33 	int	sent;
34 	int	received;
35 	int	deferred;
36 	int	overflow;
37 };
38 
39 struct netif {
40 	struct netif_driver	*nif_driver;
41 	int			nif_unit;
42 	int			nif_sel;
43 	void			*nif_devdata;
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 ssize_t		netif_get __P((struct iodesc *, void *, size_t, time_t));
57 ssize_t		netif_put __P((struct iodesc *, void *, size_t));
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