1/*-
 2 * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
 3 *
 4 * Redistribution and use in source and binary forms, with or without
 5 * modification, are permitted provided that the following conditions
 6 * are met:
 7 * 1. Redistributions of source code must retain the above copyright
 8 *    notice, this list of conditions and the following disclaimer.
 9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the University nor the names of its contributors
13 *    may be used to endorse or promote products derived from this software
14 *    without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _NETLINK_NETLINK_DEBUG_H_
30#define	_NETLINK_NETLINK_DEBUG_H_
31
32#ifdef _KERNEL
33
34#define	_DEBUG_SYSCTL_OID	_net_netlink_debug
35#include <net/route/route_debug.h>
36
37SYSCTL_DECL(_net_netlink_debug);
38
39/*
40 * Generic debug
41 * [nl_domain] func_name: debug text
42 */
43#define	NL_LOG	RT_LOG
44
45/*
46 * Logging for events specific for particular process
47 * Example: [nl_domain] PID 4834 fdump_sa: unsupported family: 45
48 */
49#define	NL_RAW_PID_LOG(_l, _pid, _fmt, ...)		\
50	NL_RAW_PID_LOG_##_l(_l, _pid, _fmt, ## __VA_ARGS__)
51#define	_NL_RAW_PID_LOG(_l, _pid, _fmt, ...)		\
52	if (_DEBUG_PASS_MSG(_l)) {			\
53		_output("[" DEBUG_PREFIX_NAME "] PID %u %s: " _fmt "\n", _pid, \
54		    __func__, ##__VA_ARGS__);		\
55	}
56
57#define	NLP_LOG(_l, _nlp, _fmt, ...)			\
58	NL_RAW_PID_LOG_##_l(_l, nlp_get_pid(_nlp), _fmt, ## __VA_ARGS__)
59
60#if DEBUG_MAX_LEVEL>=LOG_DEBUG3
61#define	NL_RAW_PID_LOG_LOG_DEBUG3	_NL_RAW_PID_LOG
62#else
63#define	NL_RAW_PID_LOG_LOG_DEBUG3(_l, _pid, _fmt, ...)
64#endif
65#if DEBUG_MAX_LEVEL>=LOG_DEBUG2
66#define	NL_RAW_PID_LOG_LOG_DEBUG2	_NL_RAW_PID_LOG
67#else
68#define	NL_RAW_PID_LOG_LOG_DEBUG2(_l, _pid, _fmt, ...)
69#endif
70#if DEBUG_MAX_LEVEL>=LOG_DEBUG
71#define	NL_RAW_PID_LOG_LOG_DEBUG	_NL_RAW_PID_LOG
72#else
73#define	NL_RAW_PID_LOG_LOG_DEBUG(_l, _pid, _fmt, ...)
74#endif
75#if DEBUG_MAX_LEVEL>=LOG_INFO
76#define	NL_RAW_PID_LOG_LOG_INFO	_NL_RAW_PID_LOG
77#else
78#define	NL_RAW_PID_LOG_LOG_INFO(_l, _pid, _fmt, ...)
79#endif
80#define	NL_RAW_PID_LOG_LOG_NOTICE	_NL_RAW_PID_LOG
81#define	NL_RAW_PID_LOG_LOG_ERR         _NL_RAW_PID_LOG
82#define	NL_RAW_PID_LOG_LOG_WARNING	_NL_RAW_PID_LOG
83
84#endif	/* _KERNEL */
85#endif	/* !_NETLINK_NETLINK_DEBUG_H_ */