xref: /xnu-10002.1.13/bsd/net/if_redirect.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1 /*
2  * Copyright (c) 2022 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_REDIRECT_VAR_H_
30 #define _NET_IF_REDIRECT_VAR_H_     1
31 
32 #ifdef KERNEL_PRIVATE
33 __private_extern__ void if_redirect_init(void);
34 #endif /* KERNEL_PRIVATE */
35 
36 /* Arbitrary identifier for params type */
37 #define RD_CREATE_PARAMS_TYPE 0x2D27
38 
39 struct if_redirect_create_params {
40 	uint16_t ircp_type;
41 	uint16_t ircp_len;
42 	uint32_t ircp_ftype;
43 };
44 
45 /*
46  * SIOCSDRVSPEC
47  */
48 enum {
49 	RD_S_CMD_NONE              = 0,
50 	RD_S_CMD_SET_DELEGATE      = 1,
51 };
52 
53 struct if_redirect_request {
54 	uint64_t ifrr_reserved[4];
55 	union {
56 		char ifrru_buf[128];                /* stable size */
57 		char ifrru_delegate_name[IFNAMSIZ]; /* if name */
58 	} ifrr_u;
59 #define ifrr_delegate_name ifrr_u.ifrru_delegate_name
60 };
61 
62 #endif /* _NET_IF_REDIRECT_VAR_H_ */
63