1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions * Copyright (c) 2003,2013,2017 Apple Inc. All rights reserved.
3*699cd480SApple OSS Distributions *
4*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions *
6*699cd480SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions *
15*699cd480SApple OSS Distributions * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions *
18*699cd480SApple OSS Distributions * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions * limitations under the License.
25*699cd480SApple OSS Distributions *
26*699cd480SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions */
28*699cd480SApple OSS Distributions
29*699cd480SApple OSS Distributions #include "kpi_interfacefilter.h"
30*699cd480SApple OSS Distributions
31*699cd480SApple OSS Distributions #include <sys/malloc.h>
32*699cd480SApple OSS Distributions #include <sys/param.h>
33*699cd480SApple OSS Distributions #include <sys/socket.h>
34*699cd480SApple OSS Distributions #include <sys/kern_event.h>
35*699cd480SApple OSS Distributions #include <net/dlil.h>
36*699cd480SApple OSS Distributions
37*699cd480SApple OSS Distributions #undef iflt_attach
38*699cd480SApple OSS Distributions errno_t
39*699cd480SApple OSS Distributions iflt_attach(
40*699cd480SApple OSS Distributions ifnet_t interface,
41*699cd480SApple OSS Distributions const struct iff_filter *filter,
42*699cd480SApple OSS Distributions interface_filter_t *filter_ref);
43*699cd480SApple OSS Distributions
44*699cd480SApple OSS Distributions
45*699cd480SApple OSS Distributions errno_t
iflt_attach_internal(ifnet_t interface,const struct iff_filter * filter,interface_filter_t * filter_ref)46*699cd480SApple OSS Distributions iflt_attach_internal(
47*699cd480SApple OSS Distributions ifnet_t interface,
48*699cd480SApple OSS Distributions const struct iff_filter *filter,
49*699cd480SApple OSS Distributions interface_filter_t *filter_ref)
50*699cd480SApple OSS Distributions {
51*699cd480SApple OSS Distributions if (interface == NULL) {
52*699cd480SApple OSS Distributions return ENOENT;
53*699cd480SApple OSS Distributions }
54*699cd480SApple OSS Distributions
55*699cd480SApple OSS Distributions return dlil_attach_filter(interface, filter, filter_ref,
56*699cd480SApple OSS Distributions DLIL_IFF_INTERNAL);
57*699cd480SApple OSS Distributions }
58*699cd480SApple OSS Distributions
59*699cd480SApple OSS Distributions errno_t
iflt_attach(ifnet_t interface,const struct iff_filter * filter,interface_filter_t * filter_ref)60*699cd480SApple OSS Distributions iflt_attach(
61*699cd480SApple OSS Distributions ifnet_t interface,
62*699cd480SApple OSS Distributions const struct iff_filter *filter,
63*699cd480SApple OSS Distributions interface_filter_t *filter_ref)
64*699cd480SApple OSS Distributions {
65*699cd480SApple OSS Distributions if (interface == NULL) {
66*699cd480SApple OSS Distributions return ENOENT;
67*699cd480SApple OSS Distributions }
68*699cd480SApple OSS Distributions
69*699cd480SApple OSS Distributions return dlil_attach_filter(interface, filter, filter_ref, 0);
70*699cd480SApple OSS Distributions }
71*699cd480SApple OSS Distributions
72*699cd480SApple OSS Distributions void
iflt_detach(interface_filter_t filter_ref)73*699cd480SApple OSS Distributions iflt_detach(
74*699cd480SApple OSS Distributions interface_filter_t filter_ref)
75*699cd480SApple OSS Distributions {
76*699cd480SApple OSS Distributions dlil_detach_filter(filter_ref);
77*699cd480SApple OSS Distributions }
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