99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/*
|
|
* 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);
|