blob: 22d806cf40caf86d694eb05f2794bc1454c5ee19 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Generic parts
3 * Linux ethernet bridge
4 *
5 * Authors:
6 * Lennert Buytenhek <buytenh@gnu.org>
7 *
8 * $Id: br.c,v 1.47 2001/12/24 00:56:41 davem Exp $
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
14 */
15
16#include <linux/config.h>
17#include <linux/module.h>
18#include <linux/kernel.h>
19#include <linux/netdevice.h>
20#include <linux/etherdevice.h>
21#include <linux/init.h>
Stephen Hemmingercf0f02d2006-03-20 22:59:06 -080022#include <linux/llc.h>
23#include <net/llc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25#include "br_private.h"
26
27int (*br_should_route_hook) (struct sk_buff **pskb) = NULL;
28
Stephen Hemmingercf0f02d2006-03-20 22:59:06 -080029static struct llc_sap *br_stp_sap;
30
Linus Torvalds1da177e2005-04-16 15:20:36 -070031static int __init br_init(void)
32{
Stephen Hemmingercf0f02d2006-03-20 22:59:06 -080033 br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv);
34 if (!br_stp_sap) {
35 printk(KERN_ERR "bridge: can't register sap for STP\n");
36 return -EBUSY;
37 }
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 br_fdb_init();
40
41#ifdef CONFIG_BRIDGE_NETFILTER
42 if (br_netfilter_init())
43 return 1;
44#endif
45 brioctl_set(br_ioctl_deviceless_stub);
46 br_handle_frame_hook = br_handle_frame;
47
48 br_fdb_get_hook = br_fdb_get;
49 br_fdb_put_hook = br_fdb_put;
50
51 register_netdevice_notifier(&br_device_notifier);
52
53 return 0;
54}
55
56static void __exit br_deinit(void)
57{
Stephen Hemmingercf0f02d2006-03-20 22:59:06 -080058 llc_sap_close(br_stp_sap);
59
Linus Torvalds1da177e2005-04-16 15:20:36 -070060#ifdef CONFIG_BRIDGE_NETFILTER
61 br_netfilter_fini();
62#endif
63 unregister_netdevice_notifier(&br_device_notifier);
64 brioctl_set(NULL);
65
66 br_cleanup_bridges();
67
68 synchronize_net();
69
70 br_fdb_get_hook = NULL;
71 br_fdb_put_hook = NULL;
72
73 br_handle_frame_hook = NULL;
74 br_fdb_fini();
75}
76
77EXPORT_SYMBOL(br_should_route_hook);
78
79module_init(br_init)
80module_exit(br_deinit)
81MODULE_LICENSE("GPL");
Stephen Hemminger8cbb512e2005-12-21 19:01:30 -080082MODULE_VERSION(BR_VERSION);