xref: /xnu-11215.41.3/bsd/net/if_fake_var.h (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
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,
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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_ */
84