2 * net/tipc/core.c: TIPC module code
4 * Copyright (c) 2003-2006, 2013, Ericsson AB
5 * Copyright (c) 2005-2006, 2010-2013, Wind River Systems
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16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
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37 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
40 #include "name_table.h"
47 #include <linux/module.h>
49 /* configurable TIPC parameters */
50 unsigned int tipc_net_id __read_mostly;
51 int sysctl_tipc_rmem[3] __read_mostly; /* min/default/max */
53 static int __net_init tipc_init_net(struct net *net)
55 struct tipc_net *tn = net_generic(net, tipc_net_id);
61 tn->addr_trial_end = 0;
62 memset(tn->node_id, 0, sizeof(tn->node_id));
63 memset(tn->node_id_string, 0, sizeof(tn->node_id_string));
64 tn->mon_threshold = TIPC_DEF_MON_THRESHOLD;
65 get_random_bytes(&tn->random, sizeof(int));
66 INIT_LIST_HEAD(&tn->node_list);
67 spin_lock_init(&tn->node_list_lock);
69 err = tipc_sk_rht_init(net);
73 err = tipc_nametbl_init(net);
77 INIT_LIST_HEAD(&tn->dist_queue);
78 err = tipc_topsrv_start(net);
82 err = tipc_bcast_init(net);
91 tipc_nametbl_stop(net);
93 tipc_sk_rht_destroy(net);
98 static void __net_exit tipc_exit_net(struct net *net)
100 tipc_topsrv_stop(net);
102 tipc_bcast_stop(net);
103 tipc_nametbl_stop(net);
104 tipc_sk_rht_destroy(net);
107 static struct pernet_operations tipc_net_ops = {
108 .init = tipc_init_net,
109 .exit = tipc_exit_net,
111 .size = sizeof(struct tipc_net),
114 static int __init tipc_init(void)
118 pr_info("Activated (version " TIPC_MOD_VER ")\n");
120 sysctl_tipc_rmem[0] = RCVBUF_MIN;
121 sysctl_tipc_rmem[1] = RCVBUF_DEF;
122 sysctl_tipc_rmem[2] = RCVBUF_MAX;
124 err = tipc_netlink_start();
128 err = tipc_netlink_compat_start();
130 goto out_netlink_compat;
132 err = tipc_socket_init();
136 err = tipc_register_sysctl();
140 err = register_pernet_subsys(&tipc_net_ops);
144 err = tipc_bearer_setup();
148 pr_info("Started in single node mode\n");
151 unregister_pernet_subsys(&tipc_net_ops);
153 tipc_unregister_sysctl();
157 tipc_netlink_compat_stop();
161 pr_err("Unable to start in single node mode\n");
165 static void __exit tipc_exit(void)
167 tipc_bearer_cleanup();
168 unregister_pernet_subsys(&tipc_net_ops);
170 tipc_netlink_compat_stop();
172 tipc_unregister_sysctl();
174 pr_info("Deactivated\n");
177 module_init(tipc_init);
178 module_exit(tipc_exit);
180 MODULE_DESCRIPTION("TIPC: Transparent Inter Process Communication");
181 MODULE_LICENSE("Dual BSD/GPL");
182 MODULE_VERSION(TIPC_MOD_VER);