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 */ 33 34 #ifndef _NET_IF_CLONE_H_ 35 #define _NET_IF_CLONE_H_ 36 37 #include <sys/cdefs.h> 38 39 #if __BSD_VISIBLE 40 /* 41 * Structure used to query names of interface cloners. 42 */ 43 struct if_clonereq { 44 int ifcr_total; /* total cloners (out) */ 45 int ifcr_count; /* room for this many in user buffer */ 46 char *ifcr_buffer; /* buffer for cloner names */ 47 }; 48 #endif /* __BSD_VISIBLE */ 49 50 #ifdef _KERNEL 51 52 #include <sys/eventhandler.h> 53 #include <sys/queue.h> 54 55 /* 56 * Structure describing a `cloning' interface. 57 */ 58 struct if_clone { 59 LIST_ENTRY(if_clone) ifc_list; /* on list of cloners */ 60 const char *ifc_name; /* name of device, e.g. `gif' */ 61 int ifc_minifs; /* minimum number of interfaces */ 62 int ifc_maxunit; /* maximum unit number */ 63 unsigned char *ifc_units; /* bitmap to handle units */ 64 int ifc_bmlen; /* bitmap length */ 65 66 int (*ifc_create)(struct if_clone *, int, 67 caddr_t, caddr_t); 68 int (*ifc_destroy)(struct ifnet *); 69 }; 70 71 #define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) \ 72 { { 0 }, name, minifs, maxunit, NULL, 0, create, destroy } 73 74 /* interface clone event */ 75 typedef void (*if_clone_event_handler_t)(void *, struct if_clone *); 76 EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t); 77 78 int if_clone_attach(struct if_clone *ifc); 79 void if_clone_detach(struct if_clone *ifc); 80 int if_clone_create(char *name, int len, caddr_t params, caddr_t data); 81 int if_clone_destroy(const char *name); 82 int if_clone_list(struct if_clonereq *ifcr); 83 84 #endif /* _KERNEL */ 85 86 #endif /* !_NET_IF_CLONE_H_ */ 87