bsd/net/if_fake_var.h

   1 /*
   2  * Copyright (c) 2015-2017 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_IF_FAKE_VAR_H_
  30 #define _NET_IF_FAKE_VAR_H_     1
  31
  32 #include <stdint.h>
  33
  34 #ifdef KERNEL_PRIVATE
  35 __private_extern__ void
  36 if_fake_init(void);
  37 #endif /* KERNEL_PRIVATE */
  38
  39 /*
  40  * SIOCSDRVSPEC
  41  */
  42 enum {
  43         IF_FAKE_S_CMD_NONE              = 0,
  44         IF_FAKE_S_CMD_SET_PEER          = 1,
  45         IF_FAKE_S_CMD_SET_MEDIA         = 2,
  46         IF_FAKE_S_CMD_SET_DEQUEUE_STALL = 3,
  47 };
  48
  49 /*
  50  * SIOCGDRVSPEC
  51  */
  52 enum {
  53         IF_FAKE_G_CMD_NONE              = 0,
  54         IF_FAKE_G_CMD_GET_PEER          = 1,
  55 };
  56
  57 #define IF_FAKE_MEDIA_LIST_MAX  27
  58
  59 struct if_fake_media {
  60         int32_t         iffm_current;
  61         uint32_t        iffm_count;
  62         uint32_t        iffm_reserved[3];
  63         int32_t         iffm_list[IF_FAKE_MEDIA_LIST_MAX];
  64 };
  65
  66 struct if_fake_request {
  67         uint64_t        iffr_reserved[4];
  68         union {
  69                 char    iffru_buf[128];         /* stable size */
  70                 struct if_fake_media    iffru_media;
  71                 char    iffru_peer_name[IFNAMSIZ]; /* if name, e.g. "en0" */
  72                 /*
  73                  * control dequeue stall. 0: disable dequeue stall, else
  74                  * enable dequeue stall.
  75                  */
  76                 uint32_t        iffru_dequeue_stall;
  77         } iffr_u;
  78 #define iffr_peer_name  iffr_u.iffru_peer_name
  79 #define iffr_media      iffr_u.iffru_media
  80 #define iffr_dequeue_stall      iffr_u.iffru_dequeue_stall
  81 };
  82
  83 #endif /* _NET_IF_FAKE_VAR_H_ */