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 * 3. 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: src/sys/net/if_var.h,v 1.18.2.16 2003/04/15 18:11:19 fjoe Exp $ 31 * $FreeBSD: src/sys/net/if.h,v 1.58.2.9 2002/08/30 14:23:38 sobomax Exp $ 32 * $DragonFly: src/sys/net/if_clone.h,v 1.1 2008/01/11 11:59:40 sephe Exp $ 33 */ 34 35 #ifndef _NET_IF_CLONE_H_ 36 #define _NET_IF_CLONE_H_ 37 38 #ifdef _KERNEL 39 40 #ifndef _SYS_QUEUE_H_ 41 #include <sys/queue.h> 42 #endif 43 44 /* 45 * Structure describing a `cloning' interface. 46 */ 47 struct if_clone { 48 LIST_ENTRY(if_clone) ifc_list; /* on list of cloners */ 49 const char *ifc_name; /* name of device, e.g. `gif' */ 50 size_t ifc_namelen; /* length of name */ 51 int ifc_minifs; /* minimum number of interfaces */ 52 int ifc_maxunit; /* maximum unit number */ 53 unsigned char *ifc_units; /* bitmap to handle units */ 54 int ifc_bmlen; /* bitmap length */ 55 56 int (*ifc_create)(struct if_clone *, int, caddr_t); 57 int (*ifc_destroy)(struct ifnet *); 58 }; 59 60 #define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) \ 61 { { 0 }, name, sizeof(name) - 1, minifs, maxunit, NULL, 0, create, destroy } 62 63 /* interface clone event */ 64 typedef void (*if_clone_event_handler_t)(void *, struct if_clone *); 65 EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t); 66 67 struct if_clonereq; /* XXX, should move definition from net/if.h */ 68 69 void if_clone_attach(struct if_clone *); 70 void if_clone_detach(struct if_clone *); 71 int if_clone_create(char *, int, caddr_t); 72 int if_clone_destroy(const char *); 73 int if_clone_list(struct if_clonereq *); 74 75 #endif /* _KERNEL */ 76 77 #endif /* !_NET_IF_CLONE_H_ */ 78