usr/src/boot/lib/libstand/netif.h

   1 /*      $NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $     */
   2
   3 /* $FreeBSD$ */
   4
   5 #ifndef __SYS_LIBNETBOOT_NETIF_H
   6 #define __SYS_LIBNETBOOT_NETIF_H
   7 #include "iodesc.h"
   8
   9 #define NENTS(x)        sizeof(x)/sizeof(x[0])
  10
  11 struct netif_driver {
  12         const   char *netif_bname;
  13         int     (*netif_match)(struct netif *, void *);
  14         int     (*netif_probe)(struct netif *, void *);
  15         void    (*netif_init)(struct iodesc *, void *);
  16         int     (*netif_get)(struct iodesc *, void *, size_t, time_t);
  17         int     (*netif_put)(struct iodesc *, void *, size_t);
  18         void    (*netif_end)(struct netif *);
  19         struct  netif_dif *netif_ifs;
  20         int     netif_nifs;
  21 };
  22
  23 struct netif_dif {
  24         int             dif_unit;
  25         int             dif_nsel;
  26         struct netif_stats *dif_stats;
  27         void            *dif_private;
  28         /* the following fields are used internally by the netif layer */
  29         u_long          dif_used;
  30 };
  31
  32 struct netif_stats {
  33         int     collisions;
  34         int     collision_error;
  35         int     missed;
  36         int     sent;
  37         int     received;
  38         int     deferred;
  39         int     overflow;
  40 };
  41
  42 struct netif {
  43         struct netif_driver     *nif_driver;
  44         int                     nif_unit;
  45         int                     nif_sel;
  46         void                    *nif_devdata;
  47 };
  48
  49 extern struct netif_driver      *netif_drivers[];       /* machdep */
  50 extern int                      n_netif_drivers;
  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 /* __SYS_LIBNETBOOT_NETIF_H */