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 #include <sys/_eventhandler.h> 41 42 #define IFC_NOGROUP 0x1 43 44 struct if_clone; 45 46 /* Methods. */ 47 typedef int ifc_match_t(struct if_clone *, const char *); 48 typedef int ifc_create_t(struct if_clone *, char *, size_t, caddr_t); 49 typedef int ifc_destroy_t(struct if_clone *, struct ifnet *); 50 51 typedef int ifcs_create_t(struct if_clone *, int, caddr_t); 52 typedef void ifcs_destroy_t(struct ifnet *); 53 54 /* Interface cloner (de)allocating functions. */ 55 struct if_clone * 56 if_clone_advanced(const char *, u_int, ifc_match_t, ifc_create_t, 57 ifc_destroy_t); 58 struct if_clone * 59 if_clone_simple(const char *, ifcs_create_t, ifcs_destroy_t, u_int); 60 void if_clone_detach(struct if_clone *); 61 62 /* Unit (de)allocating functions. */ 63 int ifc_name2unit(const char *name, int *unit); 64 int ifc_alloc_unit(struct if_clone *, int *); 65 void ifc_free_unit(struct if_clone *, int); 66 const char *ifc_name(struct if_clone *); 67 void ifc_flags_set(struct if_clone *, int flags); 68 int ifc_flags_get(struct if_clone *); 69 70 /* Interface clone event. */ 71 typedef void (*if_clone_event_handler_t)(void *, struct if_clone *); 72 EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t); 73 74 /* The below interfaces used only by net/if.c. */ 75 void vnet_if_clone_init(void); 76 int if_clone_create(char *, size_t, caddr_t); 77 int if_clone_destroy(const char *); 78 int if_clone_list(struct if_clonereq *); 79 void if_clone_restoregroup(struct ifnet *); 80 81 /* The below interfaces are used only by epair(4). */ 82 void if_clone_addif(struct if_clone *, struct ifnet *); 83 int if_clone_destroyif(struct if_clone *, struct ifnet *); 84 85 #endif /* _KERNEL */ 86 #endif /* !_NET_IF_CLONE_H_ */ 87