1 /* 2 * Copyright (c) 2008,2021 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 __KPI_IPFILTER_VAR__ 30 #define __KPI_IPFILTER_VAR__ 31 32 #include <sys/appleapiopts.h> 33 #include <netinet/kpi_ipfilter.h> 34 35 #ifdef KERNEL_PRIVATE 36 37 /* Private data structure, stripped out by ifdef tool */ 38 /* Implementation specific bits */ 39 40 #include <sys/queue.h> 41 42 struct ipfilter { 43 TAILQ_ENTRY(ipfilter) ipf_link; 44 struct ipf_filter ipf_filter; 45 struct ipfilter_list *ipf_head; 46 TAILQ_ENTRY(ipfilter) ipf_tbr; 47 uint32_t ipf_flags; 48 }; 49 TAILQ_HEAD(ipfilter_list, ipfilter); 50 51 #define IPFF_INTERNAL 0x1 52 53 extern struct ipfilter_list ipv6_filters; 54 extern struct ipfilter_list ipv4_filters; 55 56 extern ipfilter_t ipf_get_inject_filter(struct mbuf *m); 57 extern void ipf_ref(void); 58 extern void ipf_unref(void); 59 extern void ip_proto_dispatch_in(struct mbuf *m, int hlen, u_int8_t proto, 60 ipfilter_t ipfref); 61 62 #endif /* KERNEL_PRIVATE */ 63 64 #endif /*__KPI_IPFILTER_VAR__*/ 65