/* * net/tipc/sysctl.c: sysctl interface to TIPC subsystem * * Copyright (c) 2013, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the names of the copyright holders nor the names of its *    contributors may be used to endorse or promote products derived from *    this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "core.h"#include "trace.h"#include "crypto.h"#include "bcast.h"#include <linux/sysctl.h> static struct ctl_table_header *tipc_ctl_hdr; static struct ctl_table tipc_table[] = {	{		.procname	= "tipc_rmem",		.data		= &sysctl_tipc_rmem,		.maxlen		= sizeof(sysctl_tipc_rmem),		.mode		= 0644,		.proc_handler	= proc_dointvec_minmax,		.extra1         = SYSCTL_ONE,	},	{		.procname	= "named_timeout",		.data		= &sysctl_tipc_named_timeout,		.maxlen		= sizeof(sysctl_tipc_named_timeout),		.mode		= 0644,		.proc_handler	= proc_dointvec_minmax,		.extra1         = SYSCTL_ZERO,	},	{		.procname       = "sk_filter",		.data           = &sysctl_tipc_sk_filter,		.maxlen         = sizeof(sysctl_tipc_sk_filter),		.mode           = 0644,		.proc_handler   = proc_doulongvec_minmax,	},#ifdef CONFIG_TIPC_CRYPTO	{		.procname	= "max_tfms",		.data		= &sysctl_tipc_max_tfms,		.maxlen		= sizeof(sysctl_tipc_max_tfms),		.mode		= 0644,		.proc_handler	= proc_dointvec_minmax,		.extra1         = SYSCTL_ONE,	},	{		.procname	= "key_exchange_enabled",		.data		= &sysctl_tipc_key_exchange_enabled,		.maxlen		= sizeof(sysctl_tipc_key_exchange_enabled),		.mode		= 0644,		.proc_handler	= proc_dointvec_minmax,		.extra1         = SYSCTL_ZERO,		.extra2         = SYSCTL_ONE,	},#endif	{		.procname	= "bc_retruni",		.data		= &sysctl_tipc_bc_retruni,		.maxlen		= sizeof(sysctl_tipc_bc_retruni),		.mode		= 0644,		.proc_handler	= proc_doulongvec_minmax,	},}; int tipc_register_sysctl(void){	tipc_ctl_hdr = register_net_sysctl(&init_net, "net/tipc", tipc_table);	if (tipc_ctl_hdr == NULL)		return -ENOMEM;	return 0;} void tipc_unregister_sysctl(void){	unregister_net_sysctl_table(tipc_ctl_hdr);}