/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
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, saseconds_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;
