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
42struct 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};
49TAILQ_HEAD(ipfilter_list, ipfilter);
50
51#define IPFF_INTERNAL 0x1
52
53extern struct ipfilter_list ipv6_filters;
54extern struct ipfilter_list ipv4_filters;
55
56extern ipfilter_t ipf_get_inject_filter(struct mbuf *m);
57extern void ipf_ref(void);
58extern void ipf_unref(void);
59extern void ip_proto_dispatch_in(struct mbuf *m, int hlen, u_int8_t proto,
60 ipfilter_t ipfref);
61
62extern void ipfilter_register_m_tag(void);
63
64#endif /* KERNEL_PRIVATE */
65
66#endif /*__KPI_IPFILTER_VAR__*/
67