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