/* * Copyright (c) 2012-2020 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _NET_FLOWADV_H_ #define _NET_FLOWADV_H_ #ifdef KERNEL_PRIVATE #include <sys/types.h> #include <sys/queue.h> #define FADV_SUCCESS 0 /* success */ #define FADV_FLOW_CONTROLLED 1 /* regular flow control */ #define FADV_SUSPENDED 2 /* flow control due to suspension */ struct flowadv { int32_t code; /* FADV advisory code */ }; #ifdef BSD_KERNEL_PRIVATE struct flowadv_fcentry { STAILQ_ENTRY(flowadv_fcentry) fce_link; u_int32_t fce_flowsrc_type; /* FLOWSRC values */ u_int32_t fce_flowid; }; STAILQ_HEAD(flowadv_fclist, flowadv_fcentry); __BEGIN_DECLS extern void flowadv_init(void); extern struct flowadv_fcentry *flowadv_alloc_entry(int); extern void flowadv_free_entry(struct flowadv_fcentry *); extern void flowadv_add(struct flowadv_fclist *); extern void flowadv_add_entry(struct flowadv_fcentry *); extern void flowadv_reap_caches(boolean_t); __END_DECLS #endif /* BSD_KERNEL_PRIVATE */ #endif /* KERNEL_PRIVATE */ #endif /* _NET_FLOWADV_H_ */