lib/libstand/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 /* $DragonFly: src/lib/libstand/netif.h,v 1.2 2003/06/17 04:26:51 dillon Exp $ */
   5
   6 #ifndef __SYS_LIBNETBOOT_NETIF_H
   7 #define __SYS_LIBNETBOOT_NETIF_H
   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 extern int                      n_netif_drivers;
  52
  53 extern int                      netif_debug;
  54
  55 void            netif_init(void);
  56 struct netif    *netif_select(void *);
  57 int             netif_probe(struct netif *, void *);
  58 void            netif_attach(struct netif *, struct iodesc *, void *);
  59 void            netif_detach(struct netif *);
  60 ssize_t         netif_get(struct iodesc *, void *, size_t, time_t);
  61 ssize_t         netif_put(struct iodesc *, void *, size_t);
  62
  63 int             netif_open(void *);
  64 int             netif_close(int);
  65
  66 struct iodesc   *socktodesc(int);
  67
  68 #endif /* __SYS_LIBNETBOOT_NETIF_H */