Commit | Line | Data |
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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 | ||
1da177e4 LT |
16 | #include <linux/module.h> |
17 | #include <linux/kernel.h> | |
18 | #include <linux/netdevice.h> | |
19 | #include <linux/etherdevice.h> | |
20 | #include <linux/init.h> | |
cf0f02d0 SH |
21 | #include <linux/llc.h> |
22 | #include <net/llc.h> | |
1da177e4 LT |
23 | |
24 | #include "br_private.h" | |
25 | ||
26 | int (*br_should_route_hook) (struct sk_buff **pskb) = NULL; | |
27 | ||
cf0f02d0 SH |
28 | static struct llc_sap *br_stp_sap; |
29 | ||
1da177e4 LT |
30 | static int __init br_init(void) |
31 | { | |
c0909713 SH |
32 | int err; |
33 | ||
cf0f02d0 SH |
34 | br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv); |
35 | if (!br_stp_sap) { | |
36 | printk(KERN_ERR "bridge: can't register sap for STP\n"); | |
c0909713 | 37 | return -EADDRINUSE; |
cf0f02d0 SH |
38 | } |
39 | ||
1da177e4 LT |
40 | br_fdb_init(); |
41 | ||
c0909713 SH |
42 | err = br_netfilter_init(); |
43 | if (err) | |
44 | goto err_out1; | |
45 | ||
46 | err = register_netdevice_notifier(&br_device_notifier); | |
47 | if (err) | |
48 | goto err_out2; | |
49 | ||
11dc1f36 | 50 | br_netlink_init(); |
1da177e4 LT |
51 | brioctl_set(br_ioctl_deviceless_stub); |
52 | br_handle_frame_hook = br_handle_frame; | |
53 | ||
54 | br_fdb_get_hook = br_fdb_get; | |
55 | br_fdb_put_hook = br_fdb_put; | |
56 | ||
1da177e4 | 57 | return 0; |
c0909713 SH |
58 | |
59 | err_out2: | |
60 | br_netfilter_fini(); | |
61 | err_out1: | |
62 | llc_sap_put(br_stp_sap); | |
63 | return err; | |
1da177e4 LT |
64 | } |
65 | ||
66 | static void __exit br_deinit(void) | |
67 | { | |
387e2b04 | 68 | rcu_assign_pointer(br_stp_sap->rcv_func, NULL); |
cf0f02d0 | 69 | |
11dc1f36 | 70 | br_netlink_fini(); |
1da177e4 | 71 | br_netfilter_fini(); |
1da177e4 LT |
72 | unregister_netdevice_notifier(&br_device_notifier); |
73 | brioctl_set(NULL); | |
74 | ||
75 | br_cleanup_bridges(); | |
76 | ||
77 | synchronize_net(); | |
78 | ||
387e2b04 | 79 | llc_sap_put(br_stp_sap); |
1da177e4 LT |
80 | br_fdb_get_hook = NULL; |
81 | br_fdb_put_hook = NULL; | |
82 | ||
83 | br_handle_frame_hook = NULL; | |
84 | br_fdb_fini(); | |
85 | } | |
86 | ||
87 | EXPORT_SYMBOL(br_should_route_hook); | |
88 | ||
89 | module_init(br_init) | |
90 | module_exit(br_deinit) | |
91 | MODULE_LICENSE("GPL"); | |
8cbb512e | 92 | MODULE_VERSION(BR_VERSION); |