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/*
* 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/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;
}
err = br_fdb_init();
if (err)
goto err_out1;
err = br_netfilter_init();
if (err)
goto err_out1;
err = register_netdevice_notifier(&br_device_notifier);
if (err)
goto err_out2;
err = br_netlink_init();
if (err)
goto err_out3;
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_out3:
unregister_netdevice_notifier(&br_device_notifier);
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_netlink_fini();
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);
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