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net/tipc/core.c
4.53 KB
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/* * net/tipc/core.c: TIPC module code * |
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* Copyright (c) 2003-2006, 2013, Ericsson AB |
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* Copyright (c) 2005-2006, 2010-2013, Wind River Systems |
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* All rights reserved. * |
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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 are met: * |
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* 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. |
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* |
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* 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 |
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* POSSIBILITY OF SUCH DAMAGE. */ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include "core.h" |
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#include "name_table.h" #include "subscr.h" |
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#include "bearer.h" #include "net.h" |
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#include "socket.h" |
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#include "bcast.h" |
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#include <linux/module.h> |
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/* configurable TIPC parameters */ |
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unsigned int tipc_net_id __read_mostly; |
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int sysctl_tipc_rmem[3] __read_mostly; /* min/default/max */ |
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static int __net_init tipc_init_net(struct net *net) { struct tipc_net *tn = net_generic(net, tipc_net_id); |
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int err; |
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tn->net_id = 4711; |
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tn->own_addr = 0; |
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tn->mon_threshold = TIPC_DEF_MON_THRESHOLD; |
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get_random_bytes(&tn->random, sizeof(int)); |
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INIT_LIST_HEAD(&tn->node_list); spin_lock_init(&tn->node_list_lock); |
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err = tipc_sk_rht_init(net); |
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if (err) goto out_sk_rht; err = tipc_nametbl_init(net); if (err) goto out_nametbl; |
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INIT_LIST_HEAD(&tn->dist_queue); |
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err = tipc_topsrv_start(net); |
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if (err) goto out_subscr; |
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err = tipc_bcast_init(net); if (err) goto out_bclink; |
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return 0; |
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out_bclink: tipc_bcast_stop(net); |
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out_subscr: tipc_nametbl_stop(net); |
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out_nametbl: tipc_sk_rht_destroy(net); out_sk_rht: |
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return err; |
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} static void __net_exit tipc_exit_net(struct net *net) { |
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tipc_topsrv_stop(net); |
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tipc_net_stop(net); |
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tipc_bcast_stop(net); |
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tipc_nametbl_stop(net); |
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tipc_sk_rht_destroy(net); |
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} static struct pernet_operations tipc_net_ops = { .init = tipc_init_net, .exit = tipc_exit_net, .id = &tipc_net_id, .size = sizeof(struct tipc_net), }; |
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static int __init tipc_init(void) |
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{ |
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int err; |
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pr_info("Activated (version " TIPC_MOD_VER ") "); |
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sysctl_tipc_rmem[0] = RCVBUF_MIN; sysctl_tipc_rmem[1] = RCVBUF_DEF; sysctl_tipc_rmem[2] = RCVBUF_MAX; |
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err = tipc_netlink_start(); if (err) goto out_netlink; |
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err = tipc_netlink_compat_start(); if (err) goto out_netlink_compat; |
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err = tipc_socket_init(); if (err) goto out_socket; err = tipc_register_sysctl(); if (err) goto out_sysctl; |
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err = register_pernet_subsys(&tipc_net_ops); |
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if (err) |
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goto out_pernet; |
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err = tipc_bearer_setup(); if (err) goto out_bearer; |
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pr_info("Started in single node mode "); |
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return 0; |
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out_bearer: |
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unregister_pernet_subsys(&tipc_net_ops); out_pernet: |
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tipc_unregister_sysctl(); out_sysctl: tipc_socket_stop(); out_socket: |
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tipc_netlink_compat_stop(); out_netlink_compat: |
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tipc_netlink_stop(); out_netlink: |
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pr_err("Unable to start in single node mode "); |
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return err; |
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} |
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static void __exit tipc_exit(void) { |
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tipc_bearer_cleanup(); |
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unregister_pernet_subsys(&tipc_net_ops); |
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tipc_netlink_stop(); |
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tipc_netlink_compat_stop(); |
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tipc_socket_stop(); tipc_unregister_sysctl(); |
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pr_info("Deactivated "); |
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} module_init(tipc_init); module_exit(tipc_exit); MODULE_DESCRIPTION("TIPC: Transparent Inter Process Communication"); MODULE_LICENSE("Dual BSD/GPL"); |
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MODULE_VERSION(TIPC_MOD_VER); |