projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Generic parts | |
| 3 | * Linux ethernet bridge | |
| 4 | * | |
| 5 | * Authors: | |
| 6 | * Lennert Buytenhek <buytenh@gnu.org> | |
| 7 | * | |
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
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> | |
| cf0f02d0 SH |
19 | #include <linux/llc.h> |
| 20 | #include <net/llc.h> | |
| 1da177e4 LT |
21 | |
| 22 | #include "br_private.h" | |
| 23 | ||
| 3db05fea | 24 | int (*br_should_route_hook)(struct sk_buff *skb); |
| 1da177e4 | 25 | |
| cf0f02d0 SH |
26 | static struct llc_sap *br_stp_sap; |
| 27 | ||
| 1da177e4 LT |
28 | static int __init br_init(void) |
| 29 | { | |
| c0909713 SH |
30 | int err; |
| 31 | ||
| cf0f02d0 SH |
32 | br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv); |
| 33 | if (!br_stp_sap) { | |
| 34 | printk(KERN_ERR "bridge: can't register sap for STP\n"); | |
| c0909713 | 35 | return -EADDRINUSE; |
| cf0f02d0 SH |
36 | } |
| 37 | ||
| 87a596e0 AM |
38 | err = br_fdb_init(); |
| 39 | if (err) | |
| 17efdd45 | 40 | goto err_out; |
| 1da177e4 | 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 | ||
| 32fe21c0 TG |
50 | err = br_netlink_init(); |
| 51 | if (err) | |
| 52 | goto err_out3; | |
| 53 | ||
| 1da177e4 LT |
54 | brioctl_set(br_ioctl_deviceless_stub); |
| 55 | br_handle_frame_hook = br_handle_frame; | |
| 56 | ||
| 57 | br_fdb_get_hook = br_fdb_get; | |
| 58 | br_fdb_put_hook = br_fdb_put; | |
| 59 | ||
| 1da177e4 | 60 | return 0; |
| 32fe21c0 TG |
61 | err_out3: |
| 62 | unregister_netdevice_notifier(&br_device_notifier); | |
| c0909713 SH |
63 | err_out2: |
| 64 | br_netfilter_fini(); | |
| 65 | err_out1: | |
| 17efdd45 PE |
66 | br_fdb_fini(); |
| 67 | err_out: | |
| c0909713 SH |
68 | llc_sap_put(br_stp_sap); |
| 69 | return err; | |
| 1da177e4 LT |
70 | } |
| 71 | ||
| 72 | static void __exit br_deinit(void) | |
| 73 | { | |
| 387e2b04 | 74 | rcu_assign_pointer(br_stp_sap->rcv_func, NULL); |
| cf0f02d0 | 75 | |
| 11dc1f36 | 76 | br_netlink_fini(); |
| 1da177e4 LT |
77 | unregister_netdevice_notifier(&br_device_notifier); |
| 78 | brioctl_set(NULL); | |
| 79 | ||
| 80 | br_cleanup_bridges(); | |
| 81 | ||
| 82 | synchronize_net(); | |
| 83 | ||
| d69efb16 | 84 | br_netfilter_fini(); |
| 387e2b04 | 85 | llc_sap_put(br_stp_sap); |
| 1da177e4 LT |
86 | br_fdb_get_hook = NULL; |
| 87 | br_fdb_put_hook = NULL; | |
| 88 | ||
| 89 | br_handle_frame_hook = NULL; | |
| 90 | br_fdb_fini(); | |
| 91 | } | |
| 92 | ||
| 93 | EXPORT_SYMBOL(br_should_route_hook); | |
| 94 | ||
| 95 | module_init(br_init) | |
| 96 | module_exit(br_deinit) | |
| 97 | MODULE_LICENSE("GPL"); | |
| 8cbb512e | 98 | MODULE_VERSION(BR_VERSION); |