/*
* Function vlan_proto_init (pro)
*
* Initialize VLAN protocol layer,
*
*/
static int __init vlan_proto_init(void)
{
int err;
printk(VLAN_INF "%s v%s\n",
vlan_fullname, vlan_version);
/* proc file system initialization */
err = vlan_proc_init();
if (err < 0) {
printk(KERN_ERR
"%s: can't create entry in proc filesystem!\n",
__FUNCTION__);
return err;
}
dev_add_pack(&vlan_packet_type);
/* Register us to receive netdevice events */
err = register_netdevice_notifier(&vlan_notifier_block);
if (err < 0) {
dev_remove_pack(&vlan_packet_type);
vlan_proc_cleanup();
return err;
}
vlan_ioctl_set(vlan_ioctl_handler);
return 0;
}
/*
* Module 'remove' entry point.
* o delete /proc/net/router directory and static entries.
*/
static void __exit vlan_cleanup_module(void)
{
int i;
/* This table must be empty if there are no module
* references left.
*/
for (i = 0; i < VLAN_GRP_HASH_SIZE; i++) {
if (vlan_group_hash[i] != NULL)
BUG();
}
/* Un-register us from receiving netdevice events */
unregister_netdevice_notifier(&vlan_notifier_block);
#ifdef CONFIG_VLAN_8021Q_FAST
vlan_rx_hook = NULL;
vlan_tx_hook = NULL;
#else
dev_remove_pack(&vlan_packet_type);
#endif
vlan_proc_cleanup();
vlan_ioctl_hook = NULL;
}
int __init vlan_proc_init(void)
{
proc_vlan_dir = proc_mkdir(name_root, proc_net);
if (proc_vlan_dir) {
proc_vlan_conf = create_proc_entry(name_conf,
S_IFREG|S_IRUSR|S_IWUSR,
proc_vlan_dir);
if (proc_vlan_conf) {
proc_vlan_conf->proc_fops = &vlan_fops;
return 0;
}
}
vlan_proc_cleanup();
return -ENOBUFS;
}
int __net_init vlan_proc_init(struct net *net)
{
struct vlan_net *vn = net_generic(net, vlan_net_id);
vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
if (!vn->proc_vlan_dir)
goto err;
vn->proc_vlan_conf = proc_create(name_conf, S_IFREG|S_IRUSR|S_IWUSR,
vn->proc_vlan_dir, &vlan_fops);
if (!vn->proc_vlan_conf)
goto err;
return 0;
err:
pr_err("%s: can't create entry in proc filesystem!\n", __func__);
vlan_proc_cleanup(net);
return -ENOBUFS;
}
/*
* Module 'remove' entry point.
* o delete /proc/net/router directory and static entries.
*/
static void __exit vlan_cleanup_module(void)
{
int i;
vlan_ioctl_set(NULL);
/* Un-register us from receiving netdevice events */
unregister_netdevice_notifier(&vlan_notifier_block);
dev_remove_pack(&vlan_packet_type);
vlan_cleanup_devices();
/* This table must be empty if there are no module
* references left.
*/
for (i = 0; i < VLAN_GRP_HASH_SIZE; i++) {
BUG_ON(!hlist_empty(&vlan_group_hash[i]));
}
vlan_proc_cleanup();
synchronize_net();
}
static void __net_exit vlan_exit_net(struct net *net)
{
vlan_proc_cleanup(net);
}
