bsd/net/multicast_list.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #ifndef _NET_MULTICAST_LIST_H
  30 #define _NET_MULTICAST_LIST_H
  31
  32 #include <sys/queue.h>
  33 #include <sys/types.h>
  34 #include <sys/socket.h>
  35 #include <net/if.h>
  36 #include <net/kpi_interface.h>
  37
  38 /*
  39  * multicast_util.h:
  40  * - keep track of multicast addresses on one device for programming on
  41  *   another (VLAN, BOND)
  42  */
  43 struct multicast_entry {
  44         SLIST_ENTRY(multicast_entry)    mc_entries;
  45         ifmultiaddr_t                   mc_ifma;
  46 };
  47 SLIST_HEAD(multicast_list, multicast_entry);
  48
  49 void
  50 multicast_list_init(struct multicast_list * mc_list);
  51
  52 int
  53 multicast_list_program(struct multicast_list * mc_list,
  54                        struct ifnet * source_ifp,
  55                        struct ifnet * target_ifp);
  56 int
  57 multicast_list_remove(struct multicast_list * mc_list);
  58
  59 #endif /* _NET_MULTICAST_LIST_H */