1/* 2 * Generic parts 3 * Linux ethernet bridge 4 * 5 * Authors: 6 * Lennert Buytenhek <buytenh@gnu.org> 7 * 8 * $Id: br.c,v 1.1.1.1 2007/08/03 18:53:50 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/module.h> 17#include <linux/kernel.h> 18#include <linux/netdevice.h> 19#include <linux/etherdevice.h> 20#include <linux/init.h> 21#include <linux/llc.h> 22#include <net/llc.h> 23 24#include "br_private.h" 25 26int (*br_should_route_hook) (struct sk_buff **pskb) = NULL; 27 28static struct llc_sap *br_stp_sap; 29 30static int __init br_init(void) 31{ 32 int err; 33 34 br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv); 35 if (!br_stp_sap) { 36 printk(KERN_ERR "bridge: can't register sap for STP\n"); 37 return -EADDRINUSE; 38 } 39 40 err = br_fdb_init(); 41 if (err) 42 goto err_out1; 43 44 err = br_netfilter_init(); 45 if (err) 46 goto err_out1; 47 48 err = register_netdevice_notifier(&br_device_notifier); 49 if (err) 50 goto err_out2; 51 52 err = br_netlink_init(); 53 if (err) 54 goto err_out3; 55 56 brioctl_set(br_ioctl_deviceless_stub); 57 br_handle_frame_hook = br_handle_frame; 58 59 br_fdb_get_hook = br_fdb_get; 60 br_fdb_put_hook = br_fdb_put; 61 62 /* Foxconn added start pling 03/13/2007 */ 63#define nvram_safe_get(name) (nvram_get(name) ? : "") 64 char *qos_en = nvram_safe_get("qos_enable"); 65 char *wla_rp = nvram_safe_get("wla_repeater"); 66 if(!strcmp(qos_en, "1") && strcmp(wla_rp, "1")) { 67 extern int qos_enable; 68 qos_enable = 1; 69 } 70 /* Foxconn added end pling 03/13/2007 */ 71 72 return 0; 73err_out3: 74 unregister_netdevice_notifier(&br_device_notifier); 75err_out2: 76 br_netfilter_fini(); 77err_out1: 78 llc_sap_put(br_stp_sap); 79 return err; 80} 81 82static void __exit br_deinit(void) 83{ 84 rcu_assign_pointer(br_stp_sap->rcv_func, NULL); 85 86 br_netlink_fini(); 87 br_netfilter_fini(); 88 unregister_netdevice_notifier(&br_device_notifier); 89 brioctl_set(NULL); 90 91 br_cleanup_bridges(); 92 93 synchronize_net(); 94 95 llc_sap_put(br_stp_sap); 96 br_fdb_get_hook = NULL; 97 br_fdb_put_hook = NULL; 98 99 br_handle_frame_hook = NULL; 100 br_fdb_fini(); 101} 102 103EXPORT_SYMBOL(br_should_route_hook); 104 105module_init(br_init) 106module_exit(br_deinit) 107MODULE_LICENSE("GPL"); 108MODULE_VERSION(BR_VERSION); 109