br.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- /*
- * Generic parts
- * Linux ethernet bridge
- *
- * Authors:
- * Lennert Buytenhek <buytenh@gnu.org>
- *
- * $Id: br.c,v 1.46.2.1 2001/12/24 00:56:13 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/miscdevice.h>
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/init.h>
- #include <linux/if_bridge.h>
- #include <asm/uaccess.h>
- #include "br_private.h"
- #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
- #include "../atm/lec.h"
- #endif
- void br_dec_use_count()
- {
- MOD_DEC_USE_COUNT;
- }
- void br_inc_use_count()
- {
- MOD_INC_USE_COUNT;
- }
- static int __init br_init(void)
- {
- printk(KERN_INFO "NET4: Ethernet Bridge 008 for NET4.0n");
- br_handle_frame_hook = br_handle_frame;
- br_ioctl_hook = br_ioctl_deviceless_stub;
- #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
- br_fdb_get_hook = br_fdb_get;
- br_fdb_put_hook = br_fdb_put;
- #endif
- register_netdevice_notifier(&br_device_notifier);
- return 0;
- }
- static void __br_clear_frame_hook(void)
- {
- br_handle_frame_hook = NULL;
- }
- static void __br_clear_ioctl_hook(void)
- {
- br_ioctl_hook = NULL;
- }
- static void __exit br_deinit(void)
- {
- unregister_netdevice_notifier(&br_device_notifier);
- br_call_ioctl_atomic(__br_clear_ioctl_hook);
- net_call_rx_atomic(__br_clear_frame_hook);
- #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
- br_fdb_get_hook = NULL;
- br_fdb_put_hook = NULL;
- #endif
- }
- EXPORT_NO_SYMBOLS;
- module_init(br_init)
- module_exit(br_deinit)
- MODULE_LICENSE("GPL");