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Release 4.15 net/tipc/core.c

Directory: net/tipc
/*
 * net/tipc/core.c: TIPC module code
 *
 * Copyright (c) 2003-2006, 2013, Ericsson AB
 * Copyright (c) 2005-2006, 2010-2013, 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.
 */


#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include "core.h"
#include "name_table.h"
#include "subscr.h"
#include "bearer.h"
#include "net.h"
#include "socket.h"
#include "bcast.h"

#include <linux/module.h>

/* configurable TIPC parameters */

unsigned int tipc_net_id __read_mostly;

int sysctl_tipc_rmem[3] __read_mostly;	
/* min/default/max */


static int __net_init tipc_init_net(struct net *net) { struct tipc_net *tn = net_generic(net, tipc_net_id); int err; tn->net_id = 4711; tn->own_addr = 0; tn->mon_threshold = TIPC_DEF_MON_THRESHOLD; get_random_bytes(&tn->random, sizeof(int)); INIT_LIST_HEAD(&tn->node_list); spin_lock_init(&tn->node_list_lock); err = tipc_sk_rht_init(net); if (err) goto out_sk_rht; err = tipc_nametbl_init(net); if (err) goto out_nametbl; INIT_LIST_HEAD(&tn->dist_queue); err = tipc_topsrv_start(net); if (err) goto out_subscr; err = tipc_bcast_init(net); if (err) goto out_bclink; return 0; out_bclink: tipc_bcast_stop(net); out_subscr: tipc_nametbl_stop(net); out_nametbl: tipc_sk_rht_destroy(net); out_sk_rht: return err; }

Contributors

PersonTokensPropCommitsCommitProp
Ying Xue13279.04%872.73%
Jon Paul Maloy2716.17%218.18%
Erik Hugne84.79%19.09%
Total167100.00%11100.00%


static void __net_exit tipc_exit_net(struct net *net) { tipc_topsrv_stop(net); tipc_net_stop(net); tipc_bcast_stop(net); tipc_nametbl_stop(net); tipc_sk_rht_destroy(net); }

Contributors

PersonTokensPropCommitsCommitProp
Ying Xue3286.49%685.71%
Jon Paul Maloy513.51%114.29%
Total37100.00%7100.00%

static struct pernet_operations tipc_net_ops = { .init = tipc_init_net, .exit = tipc_exit_net, .id = &tipc_net_id, .size = sizeof(struct tipc_net), };
static int __init tipc_init(void) { int err; pr_info("Activated (version " TIPC_MOD_VER ")\n"); sysctl_tipc_rmem[0] = RCVBUF_MIN; sysctl_tipc_rmem[1] = RCVBUF_DEF; sysctl_tipc_rmem[2] = RCVBUF_MAX; err = tipc_netlink_start(); if (err) goto out_netlink; err = tipc_netlink_compat_start(); if (err) goto out_netlink_compat; err = tipc_socket_init(); if (err) goto out_socket; err = tipc_register_sysctl(); if (err) goto out_sysctl; err = register_pernet_subsys(&tipc_net_ops); if (err) goto out_pernet; err = tipc_bearer_setup(); if (err) goto out_bearer; pr_info("Started in single node mode\n"); return 0; out_bearer: unregister_pernet_subsys(&tipc_net_ops); out_pernet: tipc_unregister_sysctl(); out_sysctl: tipc_socket_stop(); out_socket: tipc_netlink_compat_stop(); out_netlink_compat: tipc_netlink_stop(); out_netlink: pr_err("Unable to start in single node mode\n"); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Ying Xue9961.49%743.75%
Per Liden2012.42%16.25%
Allan Stephens1710.56%318.75%
Richard Alpe1710.56%16.25%
Jon Paul Maloy63.73%212.50%
Erik Hugne10.62%16.25%
Stephen Hemminger10.62%16.25%
Total161100.00%16100.00%


static void __exit tipc_exit(void) { tipc_bearer_cleanup(); unregister_pernet_subsys(&tipc_net_ops); tipc_netlink_stop(); tipc_netlink_compat_stop(); tipc_socket_stop(); tipc_unregister_sysctl(); pr_info("Deactivated\n"); }

Contributors

PersonTokensPropCommitsCommitProp
Ying Xue1851.43%240.00%
Per Liden1337.14%120.00%
Richard Alpe38.57%120.00%
Erik Hugne12.86%120.00%
Total35100.00%5100.00%

module_init(tipc_init); module_exit(tipc_exit); MODULE_DESCRIPTION("TIPC: Transparent Inter Process Communication"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(TIPC_MOD_VER);

Overall Contributors

PersonTokensPropCommitsCommitProp
Ying Xue33165.81%1751.52%
Per Liden6913.72%13.03%
Jon Paul Maloy428.35%515.15%
Richard Alpe244.77%26.06%
Allan Stephens224.37%412.12%
Erik Hugne132.58%26.06%
Stephen Hemminger10.20%13.03%
Alexey Dobriyan10.20%13.03%
Total503100.00%33100.00%
Directory: net/tipc
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