1/*
2 * Copyright (c) 2018-2019 Apple 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
30#include <sys/sysctl.h>
31#include <sys/proc.h>
32#include <net/multi_layer_pkt_log.h>
33
34SYSCTL_NODE(_net, OID_AUTO, mpklog,
35 CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Multi-layer packet logging");
36
37/*
38 * Note: net_mpklog_enabled allows to override the interface flags IFXF_MPK_LOG
39 */
40int net_mpklog_enabled = 1;
41static int sysctl_net_mpklog_enabled SYSCTL_HANDLER_ARGS;
42SYSCTL_PROC(_net_mpklog, OID_AUTO, enabled, CTLTYPE_INT | CTLFLAG_LOCKED | CTLFLAG_RW,
43 0, 0, &sysctl_net_mpklog_enabled, "I", "Multi-layer packet logging enabled");
44
45static int sysctl_net_mpklog_type SYSCTL_HANDLER_ARGS;
46uint8_t net_mpklog_type = OS_LOG_TYPE_DEFAULT;
47SYSCTL_PROC(_net_mpklog, OID_AUTO, type, CTLTYPE_INT | CTLFLAG_LOCKED | CTLFLAG_RW,
48 0, 0, &sysctl_net_mpklog_type, "I", "Multi-layer packet logging type");
49
50SYSCTL_INT(_net_mpklog, OID_AUTO, version, CTLFLAG_RD | CTLFLAG_LOCKED,
51 (int *)NULL, MPKL_VERSION, "Multi-layer packet logging version");
52
53static int
54sysctl_net_mpklog_enabled SYSCTL_HANDLER_ARGS
55{
56#pragma unused(arg1, arg2)
57 int value = net_mpklog_enabled;
58
59 int error = sysctl_handle_int(oidp, arg1: &value, arg2: 0, req);
60 if (error || !req->newptr) {
61 return error;
62 }
63
64 net_mpklog_enabled = (value == 0) ? 0 : 1;
65
66 os_log(OS_LOG_DEFAULT, "%s:%d set net_mpklog_enabled to %d",
67 proc_best_name(current_proc()), proc_selfpid(), net_mpklog_enabled);
68
69 return 0;
70}
71
72static int
73sysctl_net_mpklog_type SYSCTL_HANDLER_ARGS
74{
75#pragma unused(arg1, arg2)
76 int value = net_mpklog_type;
77
78 int error = sysctl_handle_int(oidp, arg1: &value, arg2: 0, req);
79 if (error || !req->newptr) {
80 return error;
81 }
82
83 if (value != OS_LOG_TYPE_DEFAULT &&
84 value != OS_LOG_TYPE_INFO) {
85 return EINVAL;
86 }
87 net_mpklog_type = (uint8_t)value;
88
89 os_log(OS_LOG_DEFAULT, "%s:%d set net_mpklog_type to %u (%s)",
90 proc_best_name(current_proc()), proc_selfpid(), net_mpklog_type,
91 net_mpklog_type == OS_LOG_TYPE_DEFAULT ? "default" : "info");
92
93 return 0;
94}
95