1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * From: @(#)if.h 8.1 (Berkeley) 6/10/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _NET_IF_CLONE_H_ 36 #define _NET_IF_CLONE_H_ 37 38 #ifdef _KERNEL 39 40 struct if_clone; 41 42 /* Methods. */ 43 typedef int ifc_match_t(struct if_clone *, const char *); 44 typedef int ifc_create_t(struct if_clone *, char *, size_t, caddr_t); 45 typedef int ifc_destroy_t(struct if_clone *, struct ifnet *); 46 47 typedef int ifcs_create_t(struct if_clone *, int, caddr_t); 48 typedef void ifcs_destroy_t(struct ifnet *); 49 50 /* Interface cloner (de)allocating functions. */ 51 struct if_clone * 52 if_clone_advanced(const char *, u_int, ifc_match_t, ifc_create_t, 53 ifc_destroy_t); 54 struct if_clone * 55 if_clone_simple(const char *, ifcs_create_t, ifcs_destroy_t, u_int); 56 void if_clone_detach(struct if_clone *); 57 58 /* Unit (de)allocating fucntions. */ 59 int ifc_name2unit(const char *name, int *unit); 60 int ifc_alloc_unit(struct if_clone *, int *); 61 void ifc_free_unit(struct if_clone *, int); 62 63 #ifdef _SYS_EVENTHANDLER_H_ 64 /* Interface clone event. */ 65 typedef void (*if_clone_event_handler_t)(void *, struct if_clone *); 66 EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t); 67 #endif 68 69 /* The below interfaces used only by net/if.c. */ 70 void vnet_if_clone_init(void); 71 int if_clone_create(char *, size_t, caddr_t); 72 int if_clone_destroy(const char *); 73 int if_clone_list(struct if_clonereq *); 74 struct if_clone *if_clone_findifc(struct ifnet *); 75 void if_clone_addgroup(struct ifnet *, struct if_clone *); 76 77 /* The below interface used only by epair(4). */ 78 int if_clone_destroyif(struct if_clone *, struct ifnet *); 79 80 #endif /* _KERNEL */ 81 #endif /* !_NET_IF_CLONE_H_ */ 82