Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
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> | |
cf0f02d0 SH |
22 | #include <linux/llc.h> |
23 | #include <net/llc.h> | |
1da177e4 LT |
24 | |
25 | #include "br_private.h" | |
26 | ||
27 | int (*br_should_route_hook) (struct sk_buff **pskb) = NULL; | |
28 | ||
cf0f02d0 SH |
29 | static struct llc_sap *br_stp_sap; |
30 | ||
1da177e4 LT |
31 | static int __init br_init(void) |
32 | { | |
cf0f02d0 SH |
33 | 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 | ||
1da177e4 LT |
39 | 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 | ||
56 | static void __exit br_deinit(void) | |
57 | { | |
387e2b04 | 58 | rcu_assign_pointer(br_stp_sap->rcv_func, NULL); |
cf0f02d0 | 59 | |
1da177e4 LT |
60 | #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 | ||
387e2b04 | 70 | llc_sap_put(br_stp_sap); |
1da177e4 LT |
71 | br_fdb_get_hook = NULL; |
72 | br_fdb_put_hook = NULL; | |
73 | ||
74 | br_handle_frame_hook = NULL; | |
75 | br_fdb_fini(); | |
76 | } | |
77 | ||
78 | EXPORT_SYMBOL(br_should_route_hook); | |
79 | ||
80 | module_init(br_init) | |
81 | module_exit(br_deinit) | |
82 | MODULE_LICENSE("GPL"); | |
8cbb512e | 83 | MODULE_VERSION(BR_VERSION); |