Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
[cris-mirror.git] / net / bridge / br.c
blob84bbb82599b2582adcdd0a8ee352a69a1e67c8ec
1 /*
2 * Generic parts
3 * Linux ethernet bridge
5 * Authors:
6 * Lennert Buytenhek <buytenh@gnu.org>
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.
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>
23 #include "br_private.h"
25 static const struct stp_proto br_stp_proto = {
26 .rcv = br_stp_rcv,
29 static struct pernet_operations br_net_ops = {
30 .exit = br_net_exit,
33 static int __init br_init(void)
35 int err;
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;
43 err = br_fdb_init();
44 if (err)
45 goto err_out;
47 err = register_pernet_subsys(&br_net_ops);
48 if (err)
49 goto err_out1;
51 err = br_netfilter_init();
52 if (err)
53 goto err_out2;
55 err = register_netdevice_notifier(&br_device_notifier);
56 if (err)
57 goto err_out3;
59 err = br_netlink_init();
60 if (err)
61 goto err_out4;
63 brioctl_set(br_ioctl_deviceless_stub);
65 #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
66 br_fdb_test_addr_hook = br_fdb_test_addr;
67 #endif
69 return 0;
70 err_out4:
71 unregister_netdevice_notifier(&br_device_notifier);
72 err_out3:
73 br_netfilter_fini();
74 err_out2:
75 unregister_pernet_subsys(&br_net_ops);
76 err_out1:
77 br_fdb_fini();
78 err_out:
79 stp_proto_unregister(&br_stp_proto);
80 return err;
83 static void __exit br_deinit(void)
85 stp_proto_unregister(&br_stp_proto);
87 br_netlink_fini();
88 unregister_netdevice_notifier(&br_device_notifier);
89 brioctl_set(NULL);
91 unregister_pernet_subsys(&br_net_ops);
93 rcu_barrier(); /* Wait for completion of call_rcu()'s */
95 br_netfilter_fini();
96 #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
97 br_fdb_test_addr_hook = NULL;
98 #endif
100 br_fdb_fini();
103 module_init(br_init)
104 module_exit(br_deinit)
105 MODULE_LICENSE("GPL");
106 MODULE_VERSION(BR_VERSION);