/* * 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" int (*br_should_route_hook)(struct sk_buff *skb); 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) { printk(KERN_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); br_handle_frame_hook = br_handle_frame; br_fdb_get_hook = br_fdb_get; br_fdb_put_hook = br_fdb_put; 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); synchronize_net(); br_netfilter_fini(); 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);