~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/tipc/core.c

Version: ~ [ linux-5.5-rc7 ] ~ [ linux-5.4.13 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.97 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.166 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.210 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.210 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.81 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * net/tipc/core.c: TIPC module code
  3  *
  4  * Copyright (c) 2003-2006, 2013, Ericsson AB
  5  * Copyright (c) 2005-2006, 2010-2013, Wind River Systems
  6  * All rights reserved.
  7  *
  8  * Redistribution and use in source and binary forms, with or without
  9  * modification, are permitted provided that the following conditions are met:
 10  *
 11  * 1. Redistributions of source code must retain the above copyright
 12  *    notice, this list of conditions and the following disclaimer.
 13  * 2. Redistributions in binary form must reproduce the above copyright
 14  *    notice, this list of conditions and the following disclaimer in the
 15  *    documentation and/or other materials provided with the distribution.
 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.
 19  *
 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.
 23  *
 24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 34  * POSSIBILITY OF SUCH DAMAGE.
 35  */
 36 
 37 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 38 
 39 #include "core.h"
 40 #include "name_table.h"
 41 #include "subscr.h"
 42 #include "bearer.h"
 43 #include "net.h"
 44 #include "socket.h"
 45 #include "bcast.h"
 46 
 47 #include <linux/module.h>
 48 
 49 /* configurable TIPC parameters */
 50 unsigned int tipc_net_id __read_mostly;
 51 int sysctl_tipc_rmem[3] __read_mostly;  /* min/default/max */
 52 
 53 static int __net_init tipc_init_net(struct net *net)
 54 {
 55         struct tipc_net *tn = net_generic(net, tipc_net_id);
 56         int err;
 57 
 58         tn->net_id = 4711;
 59         tn->node_addr = 0;
 60         tn->trial_addr = 0;
 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);
 68 
 69         err = tipc_sk_rht_init(net);
 70         if (err)
 71                 goto out_sk_rht;
 72 
 73         err = tipc_nametbl_init(net);
 74         if (err)
 75                 goto out_nametbl;
 76 
 77         INIT_LIST_HEAD(&tn->dist_queue);
 78 
 79         err = tipc_bcast_init(net);
 80         if (err)
 81                 goto out_bclink;
 82 
 83         return 0;
 84 
 85 out_bclink:
 86         tipc_nametbl_stop(net);
 87 out_nametbl:
 88         tipc_sk_rht_destroy(net);
 89 out_sk_rht:
 90         return err;
 91 }
 92 
 93 static void __net_exit tipc_exit_net(struct net *net)
 94 {
 95         tipc_net_stop(net);
 96         tipc_bcast_stop(net);
 97         tipc_nametbl_stop(net);
 98         tipc_sk_rht_destroy(net);
 99 }
100 
101 static struct pernet_operations tipc_net_ops = {
102         .init = tipc_init_net,
103         .exit = tipc_exit_net,
104         .id   = &tipc_net_id,
105         .size = sizeof(struct tipc_net),
106 };
107 
108 static struct pernet_operations tipc_topsrv_net_ops = {
109         .init = tipc_topsrv_init_net,
110         .exit = tipc_topsrv_exit_net,
111 };
112 
113 static int __init tipc_init(void)
114 {
115         int err;
116 
117         pr_info("Activated (version " TIPC_MOD_VER ")\n");
118 
119         sysctl_tipc_rmem[0] = RCVBUF_MIN;
120         sysctl_tipc_rmem[1] = RCVBUF_DEF;
121         sysctl_tipc_rmem[2] = RCVBUF_MAX;
122 
123         err = tipc_netlink_start();
124         if (err)
125                 goto out_netlink;
126 
127         err = tipc_netlink_compat_start();
128         if (err)
129                 goto out_netlink_compat;
130 
131         err = tipc_register_sysctl();
132         if (err)
133                 goto out_sysctl;
134 
135         err = register_pernet_subsys(&tipc_net_ops);
136         if (err)
137                 goto out_pernet;
138 
139         err = tipc_socket_init();
140         if (err)
141                 goto out_socket;
142 
143         err = register_pernet_subsys(&tipc_topsrv_net_ops);
144         if (err)
145                 goto out_pernet_topsrv;
146 
147         err = tipc_bearer_setup();
148         if (err)
149                 goto out_bearer;
150 
151         pr_info("Started in single node mode\n");
152         return 0;
153 out_bearer:
154         unregister_pernet_subsys(&tipc_topsrv_net_ops);
155 out_pernet_topsrv:
156         tipc_socket_stop();
157 out_socket:
158         unregister_pernet_subsys(&tipc_net_ops);
159 out_pernet:
160         tipc_unregister_sysctl();
161 out_sysctl:
162         tipc_netlink_compat_stop();
163 out_netlink_compat:
164         tipc_netlink_stop();
165 out_netlink:
166         pr_err("Unable to start in single node mode\n");
167         return err;
168 }
169 
170 static void __exit tipc_exit(void)
171 {
172         tipc_bearer_cleanup();
173         unregister_pernet_subsys(&tipc_topsrv_net_ops);
174         tipc_socket_stop();
175         unregister_pernet_subsys(&tipc_net_ops);
176         tipc_netlink_stop();
177         tipc_netlink_compat_stop();
178         tipc_unregister_sysctl();
179 
180         pr_info("Deactivated\n");
181 }
182 
183 module_init(tipc_init);
184 module_exit(tipc_exit);
185 
186 MODULE_DESCRIPTION("TIPC: Transparent Inter Process Communication");
187 MODULE_LICENSE("Dual BSD/GPL");
188 MODULE_VERSION(TIPC_MOD_VER);
189 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp