sys/lib/libsa/netif.h

   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 */