1 1.8 christos /* $NetBSD: netif.h,v 1.8 2024/02/27 16:09:19 christos Exp $ */ 2 1.8 christos 3 1.8 christos /*- 4 1.8 christos * Copyright (c) 2024 The NetBSD Foundation, Inc. 5 1.8 christos * All rights reserved. 6 1.8 christos * 7 1.8 christos * Redistribution and use in source and binary forms, with or without 8 1.8 christos * modification, are permitted provided that the following conditions 9 1.8 christos * are met: 10 1.8 christos * 1. Redistributions of source code must retain the above copyright 11 1.8 christos * notice, this list of conditions and the following disclaimer. 12 1.8 christos * 2. Redistributions in binary form must reproduce the above copyright 13 1.8 christos * notice, this list of conditions and the following disclaimer in the 14 1.8 christos * documentation and/or other materials provided with the distribution. 15 1.8 christos * 16 1.8 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.8 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.8 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.8 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.8 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.8 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.8 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.8 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.8 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.8 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.8 christos * POSSIBILITY OF SUCH DAMAGE. 27 1.8 christos */ 28 1.1 brezak 29 1.1 brezak #ifndef __SYS_LIBNETBOOT_NETIF_H 30 1.1 brezak #define __SYS_LIBNETBOOT_NETIF_H 31 1.5 drochner 32 1.1 brezak #include "iodesc.h" 33 1.1 brezak 34 1.5 drochner struct netif; /* forward */ 35 1.1 brezak 36 1.1 brezak struct netif_driver { 37 1.1 brezak char *netif_bname; 38 1.7 tsutsui int (*netif_match)(struct netif *, void *); 39 1.7 tsutsui int (*netif_probe)(struct netif *, void *); 40 1.7 tsutsui void (*netif_init)(struct iodesc *, void *); 41 1.7 tsutsui int (*netif_get)(struct iodesc *, void *, size_t, saseconds_t); 42 1.7 tsutsui int (*netif_put)(struct iodesc *, void *, size_t); 43 1.7 tsutsui void (*netif_end)(struct netif *); 44 1.1 brezak struct netif_dif *netif_ifs; 45 1.1 brezak int netif_nifs; 46 1.1 brezak }; 47 1.1 brezak 48 1.1 brezak struct netif_dif { 49 1.1 brezak int dif_unit; 50 1.1 brezak int dif_nsel; 51 1.1 brezak struct netif_stats *dif_stats; 52 1.1 brezak void *dif_private; 53 1.1 brezak /* the following fields are used internally by the netif layer */ 54 1.1 brezak u_long dif_used; 55 1.1 brezak }; 56 1.1 brezak 57 1.1 brezak struct netif_stats { 58 1.1 brezak int collisions; 59 1.1 brezak int collision_error; 60 1.1 brezak int missed; 61 1.1 brezak int sent; 62 1.1 brezak int received; 63 1.1 brezak int deferred; 64 1.1 brezak int overflow; 65 1.1 brezak }; 66 1.1 brezak 67 1.1 brezak struct netif { 68 1.1 brezak struct netif_driver *nif_driver; 69 1.1 brezak int nif_unit; 70 1.1 brezak int nif_sel; 71 1.3 pk void *nif_devdata; 72 1.1 brezak }; 73 1.1 brezak 74 1.1 brezak extern struct netif_driver *netif_drivers[]; /* machdep */ 75 1.1 brezak extern int n_netif_drivers; 76 1.1 brezak 77 1.1 brezak extern int netif_debug; 78 1.1 brezak 79 1.7 tsutsui void netif_init(void); 80 1.7 tsutsui struct netif *netif_select(void *); 81 1.7 tsutsui int netif_probe(struct netif *, void *); 82 1.7 tsutsui void netif_attach(struct netif *, struct iodesc *, void *); 83 1.7 tsutsui void netif_detach(struct netif *); 84 1.1 brezak 85 1.7 tsutsui int netif_open(void *); 86 1.7 tsutsui int netif_close(int); 87 1.1 brezak 88 1.1 brezak #endif /* __SYS_LIBNETBOOT_NETIF_H */ 89