bsd/net/if_utun.h

   1 /*
   2  * Copyright (c) 2008-2009 Apple 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
  30 #ifndef _NET_IF_UTUN_H_
  31 #define _NET_IF_UTUN_H_
  32
  33 #ifdef KERNEL_PRIVATE
  34
  35 errno_t utun_register_control(void);
  36
  37 #endif
  38
  39 /*
  40  * Name registered by the utun kernel control
  41  */
  42 #define UTUN_CONTROL_NAME "com.apple.net.utun_control"
  43
  44 /*
  45  * Socket option names to manage utun
  46  */
  47 #define UTUN_OPT_FLAGS                                  1
  48 #define UTUN_OPT_IFNAME                                 2
  49 #define UTUN_OPT_EXT_IFDATA_STATS               3       /* get|set (type int) */
  50 #define UTUN_OPT_INC_IFDATA_STATS_IN    4       /* set to increment stat counters (type struct utun_stats_param) */
  51 #define UTUN_OPT_INC_IFDATA_STATS_OUT   5       /* set to increment stat counters (type struct utun_stats_param) */
  52
  53 /*
  54  * Flags for by UTUN_OPT_FLAGS
  55  */
  56 #define UTUN_FLAGS_NO_OUTPUT            0x0001
  57 #define UTUN_FLAGS_NO_INPUT                     0x0002
  58
  59 /*
  60  * utun stats parameter structure
  61  */
  62 struct utun_stats_param {
  63         u_int64_t       utsp_packets;
  64         u_int64_t       utsp_bytes;
  65         u_int64_t       utsp_errors;
  66 };
  67
  68 #endif