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netif.h revision 1.1 
      1 
      2 #ifndef __SYS_LIBNETBOOT_NETIF_H
      3 #define __SYS_LIBNETBOOT_NETIF_H
      4 #include "iodesc.h"
      5 
      6 #define NENTS(x)	sizeof(x)/sizeof(x[0])
      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 *, int, time_t));
     14 	int	(*netif_put) __P((struct iodesc *, void *, int));
     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 };
     44 
     45 extern struct netif_driver	*netif_drivers[];	/* machdep */
     46 extern int			n_netif_drivers;
     47 
     48 extern int			netif_debug;
     49 
     50 void		netif_init __P((void));
     51 struct netif	*netif_select __P((void *));
     52 int		netif_probe __P((struct netif *, void *));
     53 void		netif_attach __P((struct netif *, struct iodesc *, void *));
     54 void		netif_detach __P((struct netif *));
     55 int		netif_get __P((struct iodesc *, void *, int, time_t));
     56 int		netif_put __P((struct iodesc *, void *, int));
     57 
     58 int		netif_open __P((void *));
     59 int		netif_close __P((int));
     60 
     61 struct iodesc	*socktodesc __P((int));
     62 
     63 #endif /* __SYS_LIBNETBOOT_NETIF_H */
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