git://bbs.cooldavid.org / net-next-2.6.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 | * | |
| 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 | ||
| 87a596e0 AM |
40 | err = br_fdb_init(); |
| 41 | if (err) | |
| 42 | goto err_out1; | |
| 1da177e4 | 43 | |
| c0909713 SH |
44 | err = br_netfilter_init(); |
| 45 | if (err) | |
| 46 | goto err_out1; | |
| 47 | ||
| 48 | err = register_netdevice_notifier(&br_device_notifier); | |
| 49 | if (err) | |
| 50 | goto err_out2; | |
| 51 | ||
| 32fe21c0 TG |
52 | err = br_netlink_init(); |
| 53 | if (err) | |
| 54 | goto err_out3; | |
| 55 | ||
| 1da177e4 LT |
56 | brioctl_set(br_ioctl_deviceless_stub); |
| 57 | br_handle_frame_hook = br_handle_frame; | |
| 58 | ||
| 59 | br_fdb_get_hook = br_fdb_get; | |
| 60 | br_fdb_put_hook = br_fdb_put; | |
| 61 | ||
| 1da177e4 | 62 | return 0; |
| 32fe21c0 TG |
63 | err_out3: |
| 64 | unregister_netdevice_notifier(&br_device_notifier); | |
| c0909713 SH |
65 | err_out2: |
| 66 | br_netfilter_fini(); | |
| 67 | err_out1: | |
| 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 | 77 | br_netfilter_fini(); |
| 1da177e4 LT |
78 | unregister_netdevice_notifier(&br_device_notifier); |
| 79 | brioctl_set(NULL); | |
| 80 | ||
| 81 | br_cleanup_bridges(); | |
| 82 | ||
| 83 | synchronize_net(); | |
| 84 | ||
| 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); |