projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| f427ee49 | 2 | * Copyright (c) 2012-2020 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 | 29 | #ifndef _NET_FLOWADV_H_ |
| 0a7de745 | 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 | 35 | |
| 5ba3f43e | 36 | |
| 0a7de745 A |
37 | #define FADV_SUCCESS 0 /* success */ |
| 38 | #define FADV_FLOW_CONTROLLED 1 /* regular flow control */ | |
| 39 | #define FADV_SUSPENDED 2 /* flow control due to suspension */ | |
| 1c79356b | 40 | |
| 316670eb | 41 | struct flowadv { |
| 0a7de745 | 42 | int32_t code; /* FADV advisory code */ |
| 316670eb | 43 | }; |
| 1c79356b | 44 | |
| 39236c6e A |
45 | #ifdef BSD_KERNEL_PRIVATE |
| 46 | struct flowadv_fcentry { | |
| 47 | STAILQ_ENTRY(flowadv_fcentry) fce_link; | |
| 0a7de745 A |
48 | u_int32_t fce_flowsrc_type; /* FLOWSRC values */ |
| 49 | u_int32_t fce_flowid; | |
| 39236c6e A |
50 | }; |
| 51 | ||
| 52 | STAILQ_HEAD(flowadv_fclist, flowadv_fcentry); | |
| 53 | ||
| 54 | __BEGIN_DECLS | |
| 55 | ||
| 56 | extern void flowadv_init(void); | |
| 57 | extern struct flowadv_fcentry *flowadv_alloc_entry(int); | |
| 58 | extern void flowadv_free_entry(struct flowadv_fcentry *); | |
| 59 | extern void flowadv_add(struct flowadv_fclist *); | |
| 39037602 | 60 | extern void flowadv_add_entry(struct flowadv_fcentry *); |
| f427ee49 | 61 | extern void flowadv_reap_caches(boolean_t); |
| 39236c6e A |
62 | |
| 63 | __END_DECLS | |
| 316670eb | 64 | |
| 39236c6e A |
65 | #endif /* BSD_KERNEL_PRIVATE */ |
| 66 | #endif /* KERNEL_PRIVATE */ | |
| 316670eb | 67 | #endif /* _NET_FLOWADV_H_ */ |