| /* |
| * Generic parts |
| * Linux ethernet bridge |
| * |
| * Authors: |
| * Lennert Buytenhek <buytenh@gnu.org> |
| * |
| * $Id: br.c,v 1.47 2001/12/24 00:56:41 davem Exp $ |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/config.h> |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/init.h> |
| #include <linux/llc.h> |
| #include <net/llc.h> |
| |
| #include "br_private.h" |
| |
| int (*br_should_route_hook) (struct sk_buff **pskb) = NULL; |
| |
| static struct llc_sap *br_stp_sap; |
| |
| static int __init br_init(void) |
| { |
| int err; |
| |
| br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv); |
| if (!br_stp_sap) { |
| printk(KERN_ERR "bridge: can't register sap for STP\n"); |
| return -EADDRINUSE; |
| } |
| |
| br_fdb_init(); |
| |
| err = br_netfilter_init(); |
| if (err) |
| goto err_out1; |
| |
| err = register_netdevice_notifier(&br_device_notifier); |
| if (err) |
| goto err_out2; |
| |
| brioctl_set(br_ioctl_deviceless_stub); |
| br_handle_frame_hook = br_handle_frame; |
| |
| br_fdb_get_hook = br_fdb_get; |
| br_fdb_put_hook = br_fdb_put; |
| |
| return 0; |
| |
| err_out2: |
| br_netfilter_fini(); |
| err_out1: |
| llc_sap_put(br_stp_sap); |
| return err; |
| } |
| |
| static void __exit br_deinit(void) |
| { |
| rcu_assign_pointer(br_stp_sap->rcv_func, NULL); |
| |
| br_netfilter_fini(); |
| unregister_netdevice_notifier(&br_device_notifier); |
| brioctl_set(NULL); |
| |
| br_cleanup_bridges(); |
| |
| synchronize_net(); |
| |
| llc_sap_put(br_stp_sap); |
| br_fdb_get_hook = NULL; |
| br_fdb_put_hook = NULL; |
| |
| br_handle_frame_hook = NULL; |
| br_fdb_fini(); |
| } |
| |
| EXPORT_SYMBOL(br_should_route_hook); |
| |
| module_init(br_init) |
| module_exit(br_deinit) |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(BR_VERSION); |