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