1 /* 2 * Generic parts 3 * Linux ethernet bridge 4 * 5 * Authors: 6 * Lennert Buytenhek <buytenh@gnu.org> 7 * 8 * $Id: br.c,v 1.46.2.1 2001/12/24 00:56:13 davem Exp $ 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 13 * 2 of the License, or (at your option) any later version. 14 */ 15 16 #include <linux/config.h> 17 #include <linux/module.h> 18 #include <linux/kernel.h> 19 #include <linux/miscdevice.h> 20 #include <linux/netdevice.h> 21 #include <linux/etherdevice.h> 22 #include <linux/init.h> 23 #include <linux/if_bridge.h> 24 #include <linux/brlock.h> 25 #include <linux/rtnetlink.h> 26 #include <asm/uaccess.h> 27 #include "br_private.h" 28 29 #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 30 #include "../atm/lec.h" 31 #endif 32 br_dec_use_count()33void br_dec_use_count() 34 { 35 MOD_DEC_USE_COUNT; 36 } 37 br_inc_use_count()38void br_inc_use_count() 39 { 40 MOD_INC_USE_COUNT; 41 } 42 br_init(void)43static int __init br_init(void) 44 { 45 printk(KERN_INFO "NET4: Ethernet Bridge 008 for NET4.0\n"); 46 47 br_handle_frame_hook = br_handle_frame; 48 br_ioctl_hook = br_ioctl_deviceless_stub; 49 #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 50 br_fdb_get_hook = br_fdb_get; 51 br_fdb_put_hook = br_fdb_put; 52 #endif 53 register_netdevice_notifier(&br_device_notifier); 54 55 return 0; 56 } 57 br_deinit(void)58static void __exit br_deinit(void) 59 { 60 unregister_netdevice_notifier(&br_device_notifier); 61 62 rtnl_lock(); 63 br_ioctl_hook = NULL; 64 rtnl_unlock(); 65 66 br_write_lock_bh(BR_NETPROTO_LOCK); 67 br_handle_frame_hook = NULL; 68 br_write_unlock_bh(BR_NETPROTO_LOCK); 69 70 #if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE) 71 br_fdb_get_hook = NULL; 72 br_fdb_put_hook = NULL; 73 #endif 74 } 75 76 EXPORT_NO_SYMBOLS; 77 78 module_init(br_init) 79 module_exit(br_deinit) 80 MODULE_LICENSE("GPL"); 81