108 lines
2.0 KiB
C
108 lines
2.0 KiB
C
|
/*
|
||
|
|
* Generic parts
|
||
|
|
* Linux ethernet bridge
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* Lennert Buytenhek <buytenh@gnu.org>
|
||
|
|
*
|
||
|
|
* 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 <net/stp.h>
|
||
|
|
|
||
|
|
#include "br_private.h"
|
||
|
|
|
||
|
|
static const struct stp_proto br_stp_proto = {
|
||
|
|
.rcv = br_stp_rcv,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct pernet_operations br_net_ops = {
|
||
|
|
.exit = br_net_exit,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init br_init(void)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = stp_proto_register(&br_stp_proto);
|
||
|
|
if (err < 0) {
|
||
|
|
pr_err("bridge: can't register sap for STP\n");
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = br_fdb_init();
|
||
|
|
if (err)
|
||
|
|
goto err_out;
|
||
|
|
|
||
|
|
err = register_pernet_subsys(&br_net_ops);
|
||
|
|
if (err)
|
||
|
|
goto err_out1;
|
||
|
|
|
||
|
|
err = br_netfilter_init();
|
||
|
|
if (err)
|
||
|
|
goto err_out2;
|
||
|
|
|
||
|
|
err = register_netdevice_notifier(&br_device_notifier);
|
||
|
|
if (err)
|
||
|
|
goto err_out3;
|
||
|
|
|
||
|
|
err = br_netlink_init();
|
||
|
|
if (err)
|
||
|
|
goto err_out4;
|
||
|
|
|
||
|
|
brioctl_set(br_ioctl_deviceless_stub);
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_ATM_LANE)
|
||
|
|
br_fdb_test_addr_hook = br_fdb_test_addr;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
err_out4:
|
||
|
|
unregister_netdevice_notifier(&br_device_notifier);
|
||
|
|
err_out3:
|
||
|
|
br_netfilter_fini();
|
||
|
|
err_out2:
|
||
|
|
unregister_pernet_subsys(&br_net_ops);
|
||
|
|
err_out1:
|
||
|
|
br_fdb_fini();
|
||
|
|
err_out:
|
||
|
|
stp_proto_unregister(&br_stp_proto);
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit br_deinit(void)
|
||
|
|
{
|
||
|
|
stp_proto_unregister(&br_stp_proto);
|
||
|
|
|
||
|
|
br_netlink_fini();
|
||
|
|
unregister_netdevice_notifier(&br_device_notifier);
|
||
|
|
brioctl_set(NULL);
|
||
|
|
|
||
|
|
unregister_pernet_subsys(&br_net_ops);
|
||
|
|
|
||
|
|
rcu_barrier(); /* Wait for completion of call_rcu()'s */
|
||
|
|
|
||
|
|
br_netfilter_fini();
|
||
|
|
#if IS_ENABLED(CONFIG_ATM_LANE)
|
||
|
|
br_fdb_test_addr_hook = NULL;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
br_fdb_fini();
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(br_init)
|
||
|
|
module_exit(br_deinit)
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_VERSION(BR_VERSION);
|
||
|
|
MODULE_ALIAS_RTNL_LINK("bridge");
|