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netif.h revision 1.3 
      1 /*	$NetBSD: netif.h,v 1.3 1995/09/03 20:49:38 pk 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 	void			*nif_devdata;
     45 };
     46 
     47 extern struct netif_driver	*netif_drivers[];	/* machdep */
     48 extern int			n_netif_drivers;
     49 
     50 extern int			netif_debug;
     51 
     52 void		netif_init __P((void));
     53 struct netif	*netif_select __P((void *));
     54 int		netif_probe __P((struct netif *, void *));
     55 void		netif_attach __P((struct netif *, struct iodesc *, void *));
     56 void		netif_detach __P((struct netif *));
     57 int		netif_get __P((struct iodesc *, void *, int, time_t));
     58 int		netif_put __P((struct iodesc *, void *, int));
     59 
     60 int		netif_open __P((void *));
     61 int		netif_close __P((int));
     62 
     63 struct iodesc	*socktodesc __P((int));
     64 
     65 #endif /* __SYS_LIBNETBOOT_NETIF_H */
     66