1*aca3beaaSApple OSS Distributions /* 2*aca3beaaSApple OSS Distributions * Copyright (c) 2012-2021 Apple Inc. All rights reserved. 3*aca3beaaSApple OSS Distributions * 4*aca3beaaSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*aca3beaaSApple OSS Distributions * 6*aca3beaaSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*aca3beaaSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*aca3beaaSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*aca3beaaSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*aca3beaaSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*aca3beaaSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*aca3beaaSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*aca3beaaSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*aca3beaaSApple OSS Distributions * 15*aca3beaaSApple OSS Distributions * Please obtain a copy of the License at 16*aca3beaaSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*aca3beaaSApple OSS Distributions * 18*aca3beaaSApple OSS Distributions * The Original Code and all software distributed under the License are 19*aca3beaaSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*aca3beaaSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*aca3beaaSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*aca3beaaSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*aca3beaaSApple OSS Distributions * Please see the License for the specific language governing rights and 24*aca3beaaSApple OSS Distributions * limitations under the License. 25*aca3beaaSApple OSS Distributions * 26*aca3beaaSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*aca3beaaSApple OSS Distributions */ 28*aca3beaaSApple OSS Distributions 29*aca3beaaSApple OSS Distributions #ifndef _NET_FLOWADV_H_ 30*aca3beaaSApple OSS Distributions #define _NET_FLOWADV_H_ 31*aca3beaaSApple OSS Distributions 32*aca3beaaSApple OSS Distributions #ifdef KERNEL_PRIVATE 33*aca3beaaSApple OSS Distributions #include <sys/types.h> 34*aca3beaaSApple OSS Distributions #include <sys/queue.h> 35*aca3beaaSApple OSS Distributions 36*aca3beaaSApple OSS Distributions #if SKYWALK 37*aca3beaaSApple OSS Distributions #include <skywalk/os_skywalk.h> 38*aca3beaaSApple OSS Distributions #endif /* SKYWALK */ 39*aca3beaaSApple OSS Distributions 40*aca3beaaSApple OSS Distributions #define FADV_SUCCESS 0 /* success */ 41*aca3beaaSApple OSS Distributions #define FADV_FLOW_CONTROLLED 1 /* regular flow control */ 42*aca3beaaSApple OSS Distributions #define FADV_SUSPENDED 2 /* flow control due to suspension */ 43*aca3beaaSApple OSS Distributions 44*aca3beaaSApple OSS Distributions struct flowadv { 45*aca3beaaSApple OSS Distributions int32_t code; /* FADV advisory code */ 46*aca3beaaSApple OSS Distributions }; 47*aca3beaaSApple OSS Distributions 48*aca3beaaSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 49*aca3beaaSApple OSS Distributions struct flowadv_fcentry { 50*aca3beaaSApple OSS Distributions STAILQ_ENTRY(flowadv_fcentry) fce_link; 51*aca3beaaSApple OSS Distributions u_int32_t fce_flowsrc_type; /* FLOWSRC values */ 52*aca3beaaSApple OSS Distributions u_int32_t fce_flowid; 53*aca3beaaSApple OSS Distributions #if SKYWALK 54*aca3beaaSApple OSS Distributions flowadv_token_t fce_flowsrc_token; 55*aca3beaaSApple OSS Distributions flowadv_idx_t fce_flowsrc_fidx; 56*aca3beaaSApple OSS Distributions struct ifnet *fce_ifp; 57*aca3beaaSApple OSS Distributions #endif /* SKYWALK */ 58*aca3beaaSApple OSS Distributions }; 59*aca3beaaSApple OSS Distributions 60*aca3beaaSApple OSS Distributions STAILQ_HEAD(flowadv_fclist, flowadv_fcentry); 61*aca3beaaSApple OSS Distributions 62*aca3beaaSApple OSS Distributions __BEGIN_DECLS 63*aca3beaaSApple OSS Distributions 64*aca3beaaSApple OSS Distributions extern void flowadv_init(void); 65*aca3beaaSApple OSS Distributions extern struct flowadv_fcentry *flowadv_alloc_entry(int); 66*aca3beaaSApple OSS Distributions extern void flowadv_free_entry(struct flowadv_fcentry *); 67*aca3beaaSApple OSS Distributions extern void flowadv_add(struct flowadv_fclist *); 68*aca3beaaSApple OSS Distributions extern void flowadv_add_entry(struct flowadv_fcentry *); 69*aca3beaaSApple OSS Distributions 70*aca3beaaSApple OSS Distributions __END_DECLS 71*aca3beaaSApple OSS Distributions 72*aca3beaaSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 73*aca3beaaSApple OSS Distributions #endif /* KERNEL_PRIVATE */ 74*aca3beaaSApple OSS Distributions #endif /* _NET_FLOWADV_H_ */ 75