| 1 | |
| 2 | * net/tipc/sysctl.c: sysctl interface to TIPC subsystem
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| 3 | *
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| 4 | * Copyright (c) 2013, Wind River Systems
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions are met:
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| 9 | *
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * 3. Neither the names of the copyright holders nor the names of its
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| 16 | * contributors may be used to endorse or promote products derived from
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| 17 | * this software without specific prior written permission.
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| 18 | *
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| 19 | * Alternatively, this software may be distributed under the terms of the
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| 20 | * GNU General Public License ("GPL") version 2 as published by the Free
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| 21 | * Software Foundation.
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| 22 | *
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| 23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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| 27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 30 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 31 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 32 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 33 | * POSSIBILITY OF SUCH DAMAGE.
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| 34 |
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| 35 |
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| 36 | #include "core.h"
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| 37 | #include "trace.h"
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| 38 | #include "crypto.h"
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| 39 | #include "bcast.h"
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| 40 | #include <linux/sysctl.h>
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| 41 |
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| 42 | static struct ctl_table_header *tipc_ctl_hdr;
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| 43 |
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| 44 | static struct ctl_table tipc_table[] = {
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| 45 | {
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| 46 | .procname = "tipc_rmem",
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| 47 | .data = &sysctl_tipc_rmem,
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| 48 | .maxlen = sizeof(sysctl_tipc_rmem),
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| 49 | .mode = 0644,
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| 50 | .proc_handler = proc_dointvec_minmax,
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| 51 | .extra1 = SYSCTL_ONE,
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| 52 | },
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| 53 | {
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| 54 | .procname = "named_timeout",
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| 55 | .data = &sysctl_tipc_named_timeout,
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| 56 | .maxlen = sizeof(sysctl_tipc_named_timeout),
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| 57 | .mode = 0644,
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| 58 | .proc_handler = proc_dointvec_minmax,
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| 59 | .extra1 = SYSCTL_ZERO,
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| 60 | },
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| 61 | {
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| 62 | .procname = "sk_filter",
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| 63 | .data = &sysctl_tipc_sk_filter,
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| 64 | .maxlen = sizeof(sysctl_tipc_sk_filter),
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| 65 | .mode = 0644,
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| 66 | .proc_handler = proc_doulongvec_minmax,
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| 67 | },
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| 68 | #ifdef CONFIG_TIPC_CRYPTO
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| 69 | {
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| 70 | .procname = "max_tfms",
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| 71 | .data = &sysctl_tipc_max_tfms,
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| 72 | .maxlen = sizeof(sysctl_tipc_max_tfms),
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| 73 | .mode = 0644,
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| 74 | .proc_handler = proc_dointvec_minmax,
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| 75 | .extra1 = SYSCTL_ONE,
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| 76 | },
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| 77 | {
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| 78 | .procname = "key_exchange_enabled",
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| 79 | .data = &sysctl_tipc_key_exchange_enabled,
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| 80 | .maxlen = sizeof(sysctl_tipc_key_exchange_enabled),
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| 81 | .mode = 0644,
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| 82 | .proc_handler = proc_dointvec_minmax,
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| 83 | .extra1 = SYSCTL_ZERO,
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| 84 | .extra2 = SYSCTL_ONE,
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| 85 | },
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| 86 | #endif
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| 87 | {
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| 88 | .procname = "bc_retruni",
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| 89 | .data = &sysctl_tipc_bc_retruni,
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| 90 | .maxlen = sizeof(sysctl_tipc_bc_retruni),
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| 91 | .mode = 0644,
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| 92 | .proc_handler = proc_doulongvec_minmax,
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| 93 | },
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| 94 | };
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| 95 |
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| 96 | int tipc_register_sysctl(void)
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| 97 | {
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| 98 | tipc_ctl_hdr = register_net_sysctl(&init_net, "net/tipc", tipc_table);
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| 99 | if (tipc_ctl_hdr == NULL)
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| 100 | return -ENOMEM;
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| 101 | return 0;
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| 102 | }
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| 103 |
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| 104 | void tipc_unregister_sysctl(void)
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| 105 | {
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| 106 | unregister_net_sysctl_table(tipc_ctl_hdr);
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| 107 | }
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