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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/netlink/netlink_debug.h
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/*-

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 * Copyright (c) 2022 Alexander V. Chernikov <[email protected]>

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions and the following disclaimer.

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 * 2. Redistributions in binary form must reproduce the above copyright

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 *    notice, this list of conditions and the following disclaimer in the

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 *    documentation and/or other materials provided with the distribution.

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 * 3. Neither the name of the University nor the names of its contributors

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 *    may be used to endorse or promote products derived from this software

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 *    without specific prior written permission.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 */

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#ifndef _NETLINK_NETLINK_DEBUG_H_

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#define	_NETLINK_NETLINK_DEBUG_H_

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#ifdef _KERNEL

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#define	_DEBUG_SYSCTL_OID	_net_netlink_debug

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#include <net/route/route_debug.h>

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SYSCTL_DECL(_net_netlink_debug);

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/*

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 * Generic debug

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 * [nl_domain] func_name: debug text

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 */

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#define	NL_LOG	RT_LOG

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/*

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 * Logging for events specific for particular process

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 * Example: [nl_domain] PID 4834 fdump_sa: unsupported family: 45

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 */

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#define	NL_RAW_PID_LOG(_l, _pid, _fmt, ...)		\

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	NL_RAW_PID_LOG_##_l(_l, _pid, _fmt, ## __VA_ARGS__)

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#define	_NL_RAW_PID_LOG(_l, _pid, _fmt, ...)		\

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	if (_DEBUG_PASS_MSG(_l)) {			\

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		_output("[" DEBUG_PREFIX_NAME "] PID %u %s: " _fmt "\n", _pid, \

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		    __func__, ##__VA_ARGS__);		\

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	}

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#define	NLP_LOG(_l, _nlp, _fmt, ...)			\

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	NL_RAW_PID_LOG_##_l(_l, nlp_get_pid(_nlp), _fmt, ## __VA_ARGS__)

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#if DEBUG_MAX_LEVEL>=LOG_DEBUG3

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#define	NL_RAW_PID_LOG_LOG_DEBUG3	_NL_RAW_PID_LOG

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#else

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#define	NL_RAW_PID_LOG_LOG_DEBUG3(_l, _pid, _fmt, ...)

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#endif

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#if DEBUG_MAX_LEVEL>=LOG_DEBUG2

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#define	NL_RAW_PID_LOG_LOG_DEBUG2	_NL_RAW_PID_LOG

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#else

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#define	NL_RAW_PID_LOG_LOG_DEBUG2(_l, _pid, _fmt, ...)

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#endif

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#if DEBUG_MAX_LEVEL>=LOG_DEBUG

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#define	NL_RAW_PID_LOG_LOG_DEBUG	_NL_RAW_PID_LOG

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#else

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#define	NL_RAW_PID_LOG_LOG_DEBUG(_l, _pid, _fmt, ...)

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#endif

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#if DEBUG_MAX_LEVEL>=LOG_INFO

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#define	NL_RAW_PID_LOG_LOG_INFO	_NL_RAW_PID_LOG

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#else

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#define	NL_RAW_PID_LOG_LOG_INFO(_l, _pid, _fmt, ...)

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#endif

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#define	NL_RAW_PID_LOG_LOG_NOTICE	_NL_RAW_PID_LOG

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#define	NL_RAW_PID_LOG_LOG_ERR         _NL_RAW_PID_LOG

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#define	NL_RAW_PID_LOG_LOG_WARNING	_NL_RAW_PID_LOG

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#endif	/* _KERNEL */

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#endif	/* !_NETLINK_NETLINK_DEBUG_H_ */

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