xref: /freebsd/sys/netlink/netlink_debug.h (revision 5f4c09dd85bff675e0ca63c55ea3c517e0fddfcc)
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 
37 SYSCTL_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, ...)	NL_RAW_PID_LOG_##_l(_l, _pid, _fmt, ## __VA_ARGS__)
50 #define	_NL_RAW_PID_LOG(_l, _pid, _fmt, ...)	if (_DEBUG_PASS_MSG(_l)) {	\
51 	_output("[" DEBUG_PREFIX_NAME "] PID %u %s: " _fmt "\n", _pid, __func__, ##__VA_ARGS__); \
52 }
53 
54 #define	NLP_LOG(_l, _nlp, _fmt, ...)	NL_RAW_PID_LOG_##_l(_l, nlp_get_pid(_nlp), _fmt, ## __VA_ARGS__)
55 
56 #if DEBUG_MAX_LEVEL>=LOG_DEBUG3
57 #define	NL_RAW_PID_LOG_LOG_DEBUG3	_NL_RAW_PID_LOG
58 #else
59 #define	NL_RAW_PID_LOG_LOG_DEBUG3(_l, _pid, _fmt, ...)
60 #endif
61 #if DEBUG_MAX_LEVEL>=LOG_DEBUG2
62 #define	NL_RAW_PID_LOG_LOG_DEBUG2	_NL_RAW_PID_LOG
63 #else
64 #define	NL_RAW_PID_LOG_LOG_DEBUG2(_l, _pid, _fmt, ...)
65 #endif
66 #if DEBUG_MAX_LEVEL>=LOG_DEBUG
67 #define	NL_RAW_PID_LOG_LOG_DEBUG	_NL_RAW_PID_LOG
68 #else
69 #define	NL_RAW_PID_LOG_LOG_DEBUG(_l, _pid, _fmt, ...)
70 #endif
71 #if DEBUG_MAX_LEVEL>=LOG_INFO
72 #define	NL_RAW_PID_LOG_LOG_INFO	_NL_RAW_PID_LOG
73 #else
74 #define	NL_RAW_PID_LOG_LOG_INFO(_l, _pid, _fmt, ...)
75 #endif
76 #define	NL_RAW_PID_LOG_LOG_NOTICE	_NL_RAW_PID_LOG
77 #define	NL_RAW_PID_LOG_LOG_ERR         _NL_RAW_PID_LOG
78 #define	NL_RAW_PID_LOG_LOG_WARNING	_NL_RAW_PID_LOG
79 
80 
81 
82 #endif
83 #endif
84