Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generic parts |
| 3 | * Linux ethernet bridge |
| 4 | * |
| 5 | * Authors: |
| 6 | * Lennert Buytenhek <buytenh@gnu.org> |
| 7 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 19 | #include <linux/llc.h> |
| 20 | #include <net/llc.h> |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 21 | #include <net/stp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
| 23 | #include "br_private.h" |
| 24 | |
Herbert Xu | 3db05fe | 2007-10-15 00:53:15 -0700 | [diff] [blame] | 25 | int (*br_should_route_hook)(struct sk_buff *skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 27 | static const struct stp_proto br_stp_proto = { |
| 28 | .rcv = br_stp_rcv, |
| 29 | }; |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | static int __init br_init(void) |
| 32 | { |
Stephen Hemminger | c090971 | 2006-05-25 15:59:33 -0700 | [diff] [blame] | 33 | int err; |
| 34 | |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 35 | err = stp_proto_register(&br_stp_proto); |
| 36 | if (err < 0) { |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 37 | printk(KERN_ERR "bridge: can't register sap for STP\n"); |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 38 | return err; |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 39 | } |
| 40 | |
Akinobu Mita | 87a596e | 2007-04-07 18:57:07 +0900 | [diff] [blame] | 41 | err = br_fdb_init(); |
| 42 | if (err) |
Pavel Emelyanov | 17efdd4 | 2007-11-29 23:41:43 +1100 | [diff] [blame] | 43 | goto err_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Stephen Hemminger | c090971 | 2006-05-25 15:59:33 -0700 | [diff] [blame] | 45 | err = br_netfilter_init(); |
| 46 | if (err) |
| 47 | goto err_out1; |
| 48 | |
| 49 | err = register_netdevice_notifier(&br_device_notifier); |
| 50 | if (err) |
| 51 | goto err_out2; |
| 52 | |
Thomas Graf | 32fe21c | 2007-03-22 11:59:03 -0700 | [diff] [blame] | 53 | err = br_netlink_init(); |
| 54 | if (err) |
| 55 | goto err_out3; |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | brioctl_set(br_ioctl_deviceless_stub); |
| 58 | br_handle_frame_hook = br_handle_frame; |
| 59 | |
| 60 | br_fdb_get_hook = br_fdb_get; |
| 61 | br_fdb_put_hook = br_fdb_put; |
| 62 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | return 0; |
Thomas Graf | 32fe21c | 2007-03-22 11:59:03 -0700 | [diff] [blame] | 64 | err_out3: |
| 65 | unregister_netdevice_notifier(&br_device_notifier); |
Stephen Hemminger | c090971 | 2006-05-25 15:59:33 -0700 | [diff] [blame] | 66 | err_out2: |
| 67 | br_netfilter_fini(); |
| 68 | err_out1: |
Pavel Emelyanov | 17efdd4 | 2007-11-29 23:41:43 +1100 | [diff] [blame] | 69 | br_fdb_fini(); |
| 70 | err_out: |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 71 | stp_proto_unregister(&br_stp_proto); |
Stephen Hemminger | c090971 | 2006-05-25 15:59:33 -0700 | [diff] [blame] | 72 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | } |
| 74 | |
| 75 | static void __exit br_deinit(void) |
| 76 | { |
Patrick McHardy | 7c85fbf | 2008-07-05 21:25:56 -0700 | [diff] [blame] | 77 | stp_proto_unregister(&br_stp_proto); |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 78 | |
Stephen Hemminger | 11dc1f3 | 2006-05-25 16:00:12 -0700 | [diff] [blame] | 79 | br_netlink_fini(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | unregister_netdevice_notifier(&br_device_notifier); |
| 81 | brioctl_set(NULL); |
| 82 | |
| 83 | br_cleanup_bridges(); |
| 84 | |
| 85 | synchronize_net(); |
| 86 | |
Bodo Stroesser | d69efb1 | 2008-04-29 03:18:13 -0700 | [diff] [blame] | 87 | br_netfilter_fini(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | br_fdb_get_hook = NULL; |
| 89 | br_fdb_put_hook = NULL; |
| 90 | |
| 91 | br_handle_frame_hook = NULL; |
| 92 | br_fdb_fini(); |
| 93 | } |
| 94 | |
| 95 | EXPORT_SYMBOL(br_should_route_hook); |
| 96 | |
| 97 | module_init(br_init) |
| 98 | module_exit(br_deinit) |
| 99 | MODULE_LICENSE("GPL"); |
Stephen Hemminger | 8cbb512e | 2005-12-21 19:01:30 -0800 | [diff] [blame] | 100 | MODULE_VERSION(BR_VERSION); |