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