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1 | /* |
2 | * Generic parts |
3 | * Linux ethernet bridge |
4 | * |
5 | * Authors: |
6 | * Lennert Buytenhek <buytenh@gnu.org> |
7 | * |
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 | |
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> |
22 | |
23 | #include "br_private.h" |
24 | |
25 | int (*br_should_route_hook)(struct sk_buff *skb); |
26 | |
27 | static const struct stp_proto br_stp_proto = { |
28 | .rcv = br_stp_rcv, |
29 | }; |
30 | |
31 | static struct pernet_operations br_net_ops = { |
32 | .exit = br_net_exit, |
33 | }; |
34 | |
35 | static int __init br_init(void) |
36 | { |
37 | int err; |
38 | |
39 | err = stp_proto_register(&br_stp_proto); |
40 | if (err < 0) { |
41 | printk(KERN_ERR "bridge: can't register sap for STP\n"); |
42 | return err; |
43 | } |
44 | |
45 | err = br_fdb_init(); |
46 | if (err) |
47 | goto err_out; |
48 | |
49 | err = register_pernet_subsys(&br_net_ops); |
50 | if (err) |
51 | goto err_out1; |
52 | |
53 | err = br_netfilter_init(); |
54 | if (err) |
55 | goto err_out2; |
56 | |
57 | err = register_netdevice_notifier(&br_device_notifier); |
58 | if (err) |
59 | goto err_out3; |
60 | |
61 | err = br_netlink_init(); |
62 | if (err) |
63 | goto err_out4; |
64 | |
65 | brioctl_set(br_ioctl_deviceless_stub); |
66 | br_handle_frame_hook = br_handle_frame; |
67 | |
68 | #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) |
69 | br_fdb_test_addr_hook = br_fdb_test_addr; |
70 | #endif |
71 | |
72 | return 0; |
73 | err_out4: |
74 | unregister_netdevice_notifier(&br_device_notifier); |
75 | err_out3: |
76 | br_netfilter_fini(); |
77 | err_out2: |
78 | unregister_pernet_subsys(&br_net_ops); |
79 | err_out1: |
80 | br_fdb_fini(); |
81 | err_out: |
82 | stp_proto_unregister(&br_stp_proto); |
83 | return err; |
84 | } |
85 | |
86 | static void __exit br_deinit(void) |
87 | { |
88 | stp_proto_unregister(&br_stp_proto); |
89 | |
90 | br_netlink_fini(); |
91 | unregister_netdevice_notifier(&br_device_notifier); |
92 | brioctl_set(NULL); |
93 | |
94 | unregister_pernet_subsys(&br_net_ops); |
95 | |
96 | rcu_barrier(); /* Wait for completion of call_rcu()'s */ |
97 | |
98 | br_netfilter_fini(); |
99 | #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) |
100 | br_fdb_test_addr_hook = NULL; |
101 | #endif |
102 | |
103 | br_handle_frame_hook = NULL; |
104 | br_fdb_fini(); |
105 | } |
106 | |
107 | EXPORT_SYMBOL(br_should_route_hook); |
108 | |
109 | module_init(br_init) |
110 | module_exit(br_deinit) |
111 | MODULE_LICENSE("GPL"); |
112 | MODULE_VERSION(BR_VERSION); |
113 |
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Tags:
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v2.6.34-rc5
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