]> git.saurik.com Git - apple/xnu.git/blame - bsd/net/flowadv.h
xnu-3789.51.2.tar.gz
[apple/xnu.git] / bsd / net / flowadv.h
CommitLineData
1c79356b 1/*
316670eb 2 * Copyright (c) 2012 Apple Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
316670eb 5 *
2d21ac55
A
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.
316670eb 14 *
2d21ac55
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
316670eb 17 *
2d21ac55
A
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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
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.
316670eb 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
1c79356b 28
316670eb
A
29#ifndef _NET_FLOWADV_H_
30#define _NET_FLOWADV_H_
1c79356b 31
39236c6e 32#ifdef KERNEL_PRIVATE
316670eb 33#include <sys/types.h>
39236c6e 34#include <sys/queue.h>
316670eb
A
35
36#define FADV_SUCCESS 0 /* success */
37#define FADV_FLOW_CONTROLLED 1 /* regular flow control */
38#define FADV_SUSPENDED 2 /* flow control due to suspension */
1c79356b 39
316670eb
A
40struct flowadv {
41 int32_t code; /* FADV advisory code */
42};
1c79356b 43
39236c6e
A
44#ifdef BSD_KERNEL_PRIVATE
45struct flowadv_fcentry {
46 STAILQ_ENTRY(flowadv_fcentry) fce_link;
47 u_int32_t fce_flowsrc; /* FLOWSRC values */
48 u_int32_t fce_flowid;
49};
50
51STAILQ_HEAD(flowadv_fclist, flowadv_fcentry);
52
53__BEGIN_DECLS
54
55extern void flowadv_init(void);
56extern struct flowadv_fcentry *flowadv_alloc_entry(int);
57extern void flowadv_free_entry(struct flowadv_fcentry *);
58extern void flowadv_add(struct flowadv_fclist *);
39037602 59extern void flowadv_add_entry(struct flowadv_fcentry *);
39236c6e
A
60
61__END_DECLS
316670eb 62
39236c6e
A
63#endif /* BSD_KERNEL_PRIVATE */
64#endif /* KERNEL_PRIVATE */
316670eb 65#endif /* _NET_FLOWADV_H_ */