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 */ 68