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/* $NetBSD: netif.h,v 1.4 1995/09/14 23:45:30 pk Exp $ */
#ifndef __SYS_LIBNETBOOT_NETIF_H
#define __SYS_LIBNETBOOT_NETIF_H
#include "iodesc.h"
#define NENTS(x) sizeof(x)/sizeof(x[0])
struct netif_driver {
char *netif_bname;
int (*netif_match)(struct netif *, void *);
int (*netif_probe)(struct netif *, void *);
void (*netif_init)(struct iodesc *, void *);
int (*netif_get)(struct iodesc *, void *, size_t, time_t);
int (*netif_put)(struct iodesc *, void *, size_t);
void (*netif_end)(struct netif *);
struct netif_dif *netif_ifs;
int netif_nifs;
};
struct netif_dif {
int dif_unit;
int dif_nsel;
struct netif_stats *dif_stats;
void *dif_private;
/* the following fields are used internally by the netif layer */
u_long dif_used;
};
struct netif_stats {
int collisions;
int collision_error;
int missed;
int sent;
int received;
int deferred;
int overflow;
};
struct netif {
struct netif_driver *nif_driver;
int nif_unit;
int nif_sel;
void *nif_devdata;
};
extern struct netif_driver *netif_drivers[]; /* machdep */
extern int n_netif_drivers;
extern int netif_debug;
void netif_init(void);
struct netif *netif_select(void *);
int netif_probe(struct netif *, void *);
void netif_attach(struct netif *, struct iodesc *, void *);
void netif_detach(struct netif *);
ssize_t netif_get(struct iodesc *, void *, size_t, time_t);
ssize_t netif_put(struct iodesc *, void *, size_t);
int netif_open(void *);
int netif_close(int);
struct iodesc *socktodesc(int);
#endif /* __SYS_LIBNETBOOT_NETIF_H */
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