stand/lib/netif.h

   1 /*      $NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $     */
   2
   3 /* $FreeBSD: src/lib/libstand/netif.h,v 1.1.1.1.6.1 2000/09/10 01:24:16 ps Exp $ */
   4
   5 #ifndef _STAND_NETIF_H_
   6 #define _STAND_NETIF_H_
   7
   8 #include "iodesc.h"
   9
  10 #define NENTS(x)        sizeof(x)/sizeof(x[0])
  11
  12 struct netif_driver {
  13         const   char *netif_bname;
  14         int     (*netif_match)(struct netif *, void *);
  15         int     (*netif_probe)(struct netif *, void *);
  16         void    (*netif_init)(struct iodesc *, void *);
  17         int     (*netif_get)(struct iodesc *, void *, size_t, time_t);
  18         int     (*netif_put)(struct iodesc *, void *, size_t);
  19         void    (*netif_end)(struct netif *);
  20         struct  netif_dif *netif_ifs;
  21         int     netif_nifs;
  22 };
  23
  24 struct netif_dif {
  25         int             dif_unit;
  26         int             dif_nsel;
  27         struct netif_stats *dif_stats;
  28         void            *dif_private;
  29         /* the following fields are used internally by the netif layer */
  30         u_long          dif_used;
  31 };
  32
  33 struct netif_stats {
  34         int     collisions;
  35         int     collision_error;
  36         int     missed;
  37         int     sent;
  38         int     received;
  39         int     deferred;
  40         int     overflow;
  41 };
  42
  43 struct netif {
  44         struct netif_driver     *nif_driver;
  45         int                     nif_unit;
  46         int                     nif_sel;
  47         void                    *nif_devdata;
  48 };
  49
  50 extern struct netif_driver      *netif_drivers[];       /* machdep */
  51
  52 extern int                      netif_debug;
  53
  54 void            netif_init(void);
  55 struct netif    *netif_select(void *);
  56 int             netif_probe(struct netif *, void *);
  57 void            netif_attach(struct netif *, struct iodesc *, void *);
  58 void            netif_detach(struct netif *);
  59 ssize_t         netif_get(struct iodesc *, void *, size_t, time_t);
  60 ssize_t         netif_put(struct iodesc *, void *, size_t);
  61
  62 int             netif_open(void *);
  63 int             netif_close(int);
  64
  65 struct iodesc   *socktodesc(int);
  66
  67 #endif /* !_STAND_NETIF_H_ */
  68