1c398230bSWarner Losh /*- 251369649SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 351369649SPedro F. Giffuni * 4f889d2efSBrooks Davis * Copyright (c) 1982, 1986, 1989, 1993 5f889d2efSBrooks Davis * The Regents of the University of California. All rights reserved. 6f889d2efSBrooks Davis * 7f889d2efSBrooks Davis * Redistribution and use in source and binary forms, with or without 8f889d2efSBrooks Davis * modification, are permitted provided that the following conditions 9f889d2efSBrooks Davis * are met: 10f889d2efSBrooks Davis * 1. Redistributions of source code must retain the above copyright 11f889d2efSBrooks Davis * notice, this list of conditions and the following disclaimer. 12f889d2efSBrooks Davis * 2. Redistributions in binary form must reproduce the above copyright 13f889d2efSBrooks Davis * notice, this list of conditions and the following disclaimer in the 14f889d2efSBrooks Davis * documentation and/or other materials provided with the distribution. 15fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 16f889d2efSBrooks Davis * may be used to endorse or promote products derived from this software 17f889d2efSBrooks Davis * without specific prior written permission. 18f889d2efSBrooks Davis * 19f889d2efSBrooks Davis * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20f889d2efSBrooks Davis * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21f889d2efSBrooks Davis * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22f889d2efSBrooks Davis * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23f889d2efSBrooks Davis * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24f889d2efSBrooks Davis * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25f889d2efSBrooks Davis * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26f889d2efSBrooks Davis * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27f889d2efSBrooks Davis * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28f889d2efSBrooks Davis * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29f889d2efSBrooks Davis * SUCH DAMAGE. 30f889d2efSBrooks Davis * 31f889d2efSBrooks Davis * From: @(#)if.h 8.1 (Berkeley) 6/10/93 32f889d2efSBrooks Davis * $FreeBSD$ 33f889d2efSBrooks Davis */ 34f889d2efSBrooks Davis 35f889d2efSBrooks Davis #ifndef _NET_IF_CLONE_H_ 36f889d2efSBrooks Davis #define _NET_IF_CLONE_H_ 37f889d2efSBrooks Davis 38f889d2efSBrooks Davis #ifdef _KERNEL 39f889d2efSBrooks Davis 40e2e050c8SConrad Meyer #include <sys/_eventhandler.h> 41e2e050c8SConrad Meyer 4209f6ff4fSMatt Macy #define IFC_NOGROUP 0x1 4309f6ff4fSMatt Macy 4442a58907SGleb Smirnoff struct if_clone; 45f889d2efSBrooks Davis 4642a58907SGleb Smirnoff /* Methods. */ 4742a58907SGleb Smirnoff typedef int ifc_match_t(struct if_clone *, const char *); 4842a58907SGleb Smirnoff typedef int ifc_create_t(struct if_clone *, char *, size_t, caddr_t); 4942a58907SGleb Smirnoff typedef int ifc_destroy_t(struct if_clone *, struct ifnet *); 50f889d2efSBrooks Davis 5142a58907SGleb Smirnoff typedef int ifcs_create_t(struct if_clone *, int, caddr_t); 5242a58907SGleb Smirnoff typedef void ifcs_destroy_t(struct ifnet *); 53f889d2efSBrooks Davis 5442a58907SGleb Smirnoff /* Interface cloner (de)allocating functions. */ 5542a58907SGleb Smirnoff struct if_clone * 5642a58907SGleb Smirnoff if_clone_advanced(const char *, u_int, ifc_match_t, ifc_create_t, 5742a58907SGleb Smirnoff ifc_destroy_t); 5842a58907SGleb Smirnoff struct if_clone * 5942a58907SGleb Smirnoff if_clone_simple(const char *, ifcs_create_t, ifcs_destroy_t, u_int); 60f889d2efSBrooks Davis void if_clone_detach(struct if_clone *); 61f889d2efSBrooks Davis 62e8b7972cSGordon Bergling /* Unit (de)allocating functions. */ 63f889d2efSBrooks Davis int ifc_name2unit(const char *name, int *unit); 64f889d2efSBrooks Davis int ifc_alloc_unit(struct if_clone *, int *); 65f889d2efSBrooks Davis void ifc_free_unit(struct if_clone *, int); 6609f6ff4fSMatt Macy const char *ifc_name(struct if_clone *); 6709f6ff4fSMatt Macy void ifc_flags_set(struct if_clone *, int flags); 6809f6ff4fSMatt Macy int ifc_flags_get(struct if_clone *); 69f889d2efSBrooks Davis 7042a58907SGleb Smirnoff /* Interface clone event. */ 71f889d2efSBrooks Davis typedef void (*if_clone_event_handler_t)(void *, struct if_clone *); 72f889d2efSBrooks Davis EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t); 73f889d2efSBrooks Davis 7442a58907SGleb Smirnoff /* The below interfaces used only by net/if.c. */ 7542a58907SGleb Smirnoff void vnet_if_clone_init(void); 7642a58907SGleb Smirnoff int if_clone_create(char *, size_t, caddr_t); 7742a58907SGleb Smirnoff int if_clone_destroy(const char *); 7842a58907SGleb Smirnoff int if_clone_list(struct if_clonereq *); 7954712fc4SGleb Smirnoff void if_clone_restoregroup(struct ifnet *); 80f889d2efSBrooks Davis 81b02fd8b7SKristof Provost /* The below interfaces are used only by epair(4). */ 82b02fd8b7SKristof Provost void if_clone_addif(struct if_clone *, struct ifnet *); 8342a58907SGleb Smirnoff int if_clone_destroyif(struct if_clone *, struct ifnet *); 84f889d2efSBrooks Davis 85f889d2efSBrooks Davis #endif /* _KERNEL */ 86f889d2efSBrooks Davis #endif /* !_NET_IF_CLONE_H_ */ 87