1/*
2 *	Generic parts
3 *	Linux ethernet bridge
4 *
5 *	Authors:
6 *	Lennert Buytenhek		<buytenh@gnu.org>
7 *
8 *	This program is free software; you can redistribute it and/or
9 *	modify it under the terms of the GNU General Public License
10 *	as published by the Free Software Foundation; either version
11 *	2 of the License, or (at your option) any later version.
12 */
13
14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/netdevice.h>
17#include <linux/etherdevice.h>
18#include <linux/init.h>
19#include <linux/llc.h>
20#include <net/llc.h>
21#include <net/stp.h>
22
23#include "br_private.h"
24
25static const struct stp_proto br_stp_proto = {
26	.rcv	= br_stp_rcv,
27};
28
29static struct pernet_operations br_net_ops = {
30	.exit	= br_net_exit,
31};
32
33static int __init br_init(void)
34{
35	int err;
36
37	err = stp_proto_register(&br_stp_proto);
38	if (err < 0) {
39		pr_err("bridge: can't register sap for STP\n");
40		return err;
41	}
42
43	err = br_fdb_init();
44	if (err)
45		goto err_out;
46
47	err = register_pernet_subsys(&br_net_ops);
48	if (err)
49		goto err_out1;
50
51	err = br_netfilter_init();
52	if (err)
53		goto err_out2;
54
55	err = register_netdevice_notifier(&br_device_notifier);
56	if (err)
57		goto err_out3;
58
59	err = br_netlink_init();
60	if (err)
61		goto err_out4;
62
63	brioctl_set(br_ioctl_deviceless_stub);
64
65#if IS_ENABLED(CONFIG_ATM_LANE)
66	br_fdb_test_addr_hook = br_fdb_test_addr;
67#endif
68
69	return 0;
70err_out4:
71	unregister_netdevice_notifier(&br_device_notifier);
72err_out3:
73	br_netfilter_fini();
74err_out2:
75	unregister_pernet_subsys(&br_net_ops);
76err_out1:
77	br_fdb_fini();
78err_out:
79	stp_proto_unregister(&br_stp_proto);
80	return err;
81}
82
83static void __exit br_deinit(void)
84{
85	stp_proto_unregister(&br_stp_proto);
86
87	br_netlink_fini();
88	unregister_netdevice_notifier(&br_device_notifier);
89	brioctl_set(NULL);
90
91	unregister_pernet_subsys(&br_net_ops);
92
93	rcu_barrier(); /* Wait for completion of call_rcu()'s */
94
95	br_netfilter_fini();
96#if IS_ENABLED(CONFIG_ATM_LANE)
97	br_fdb_test_addr_hook = NULL;
98#endif
99
100	br_fdb_fini();
101}
102
103module_init(br_init)
104module_exit(br_deinit)
105MODULE_LICENSE("GPL");
106MODULE_VERSION(BR_VERSION);
107MODULE_ALIAS_RTNL_LINK("bridge");
108