Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 22 | #include <linux/llc.h> |
| 23 | #include <net/llc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | #include "br_private.h" |
| 26 | |
| 27 | int (*br_should_route_hook) (struct sk_buff **pskb) = NULL; |
| 28 | |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 29 | static struct llc_sap *br_stp_sap; |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | static int __init br_init(void) |
| 32 | { |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | { |
Stephen Hemminger | 387e2b0 | 2006-05-23 15:20:25 -0700 | [diff] [blame] | 58 | rcu_assign_pointer(br_stp_sap->rcv_func, NULL); |
Stephen Hemminger | cf0f02d | 2006-03-20 22:59:06 -0800 | [diff] [blame] | 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Stephen Hemminger | 387e2b0 | 2006-05-23 15:20:25 -0700 | [diff] [blame] | 70 | llc_sap_put(br_stp_sap); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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"); |
Stephen Hemminger | 8cbb512e | 2005-12-21 19:01:30 -0800 | [diff] [blame] | 83 | MODULE_VERSION(BR_VERSION); |