static void __exit niit_cleanup(void) {
rtnl_lock();
unregister_netdevice(tunnel4_dev);
unregister_netdevice(tunnel6_dev);
rtnl_unlock();
}
static void veth_dellink(struct net_device *dev)
{
struct veth_priv *priv;
struct net_device *peer;
priv = netdev_priv(dev);
peer = priv->peer;
unregister_netdevice(dev);
unregister_netdevice(peer);
}
static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
{
int h;
struct ip6_tnl *t;
for (h = 0; h < HASH_SIZE; h++) {
while ((t = ip6n->tnls_r_l[h]) != NULL)
unregister_netdevice(t->dev);
}
t = ip6n->tnls_wc[0];
unregister_netdevice(t->dev);
}
static void __exit ip6ip6_destroy_tunnels(void)
{
int h;
struct ip6_tnl *t;
for (h = 0; h < HASH_SIZE; h++) {
while ((t = tnls_r_l[h]) != NULL)
unregister_netdevice(t->dev);
}
t = tnls_wc[0];
unregister_netdevice(t->dev);
}
static int vrf_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct net_vrf *vrf = netdev_priv(dev);
int err;
if (!data || !data[IFLA_VRF_TABLE])
return -EINVAL;
vrf->tb_id = nla_get_u32(data[IFLA_VRF_TABLE]);
if (vrf->tb_id == RT_TABLE_UNSPEC)
return -EINVAL;
dev->priv_flags |= IFF_L3MDEV_MASTER;
err = register_netdevice(dev);
if (err)
goto out;
if (add_fib_rules) {
err = vrf_add_fib_rules(dev);
if (err) {
unregister_netdevice(dev);
goto out;
}
add_fib_rules = false;
}
out:
return err;
}
static int tun_chr_close(struct inode *inode, struct file *file)
{
struct tun_struct *tun = (struct tun_struct *)file->private_data;
if (!tun)
return 0;
DBG(KERN_INFO "%s: tun_chr_close\n", tun->name);
tun_chr_fasync(-1, file, 0);
rtnl_lock();
/* Detach from net device */
file->private_data = NULL;
tun->attached = 0;
/* Drop read queue */
skb_queue_purge(&tun->readq);
if (!(tun->flags & TUN_PERSIST)) {
dev_close(&tun->dev);
unregister_netdevice(&tun->dev);
kfree(tun);
MOD_DEC_USE_COUNT;
}
rtnl_unlock();
return 0;
}
static struct net_device *ip6mr_reg_vif(struct net *net)
{
struct net_device *dev;
dev = alloc_netdev(0, "pim6reg", reg_vif_setup);
if (dev == NULL)
return NULL;
dev_net_set(dev, net);
if (register_netdevice(dev)) {
free_netdev(dev);
return NULL;
}
dev->iflink = 0;
if (dev_open(dev))
goto failure;
dev_hold(dev);
return dev;
failure:
/* allow the register to be completed before unregistering. */
rtnl_unlock();
rtnl_lock();
unregister_netdevice(dev);
return NULL;
}
void batadv_softif_destroy(struct net_device *soft_iface)
{
batadv_debugfs_del_meshif(soft_iface);
batadv_sysfs_del_meshif(soft_iface);
batadv_mesh_free(soft_iface);
unregister_netdevice(soft_iface);
}
void unregister_hdlc_device(struct net_device *dev)
{
rtnl_lock();
hdlc_proto_detach(dev_to_hdlc(dev));
unregister_netdevice(dev);
rtnl_unlock();
}
int br_del_bridge(char *name)
{
struct net_device *dev;
struct net_bridge *br;
dev = __dev_get_by_name(name);
if (!dev)
return -ENXIO;
if (dev->hard_start_xmit != br_dev_xmit)
return -EPERM;
if (dev->flags & IFF_UP)
return -EBUSY;
br = dev->priv;
BUG_ON(&br->dev != dev);
del_ifs(br);
unregister_netdevice(dev);
kfree(br);
br_dec_use_count();
return 0;
}
static void
vhost_dellink(struct net_device *dev, struct list_head *head)
#endif
{
struct vhost_priv *vp;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,33))
unregister_netdevice_queue(dev, head);
#else
unregister_netdevice(dev);
#endif
vp = netdev_priv(dev);
if (vp) {
if (vp->vp_db_index >= 0)
vhost_priv_db[vp->vp_db_index] = NULL;
vp->vp_db_index = -1;
if (vp->vp_phys_dev) {
vhost_del_tap_phys(vp->vp_phys_dev);
vp->vp_phys_dev = NULL;
}
vp->vp_phys_name[0] = '\0';
}
if (!vhost_num_interfaces)
BUG();
vhost_num_interfaces--;
return;
}
static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
{
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: disabling hostapd mode\n", pDevice->dev->name);
if (pDevice->apdev && pDevice->apdev->name && pDevice->apdev->name[0]) {
if (rtnl_locked)
unregister_netdevice(pDevice->apdev);
else
unregister_netdev(pDevice->apdev);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
kfree(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
pDevice->bEncryptionEnable = false;
//4.2007-0118-03,<Add> by EinsnLiu
//execute some clear work
pDevice->pMgmt->byCSSPK=KEY_CTL_NONE;
pDevice->pMgmt->byCSSGK=KEY_CTL_NONE;
KeyvInitTable(&pDevice->sKey,pDevice->PortOffset);
return 0;
}
void softif_destroy(struct net_device *soft_iface)
{
debugfs_del_meshif(soft_iface);
sysfs_del_meshif(soft_iface);
mesh_free(soft_iface);
unregister_netdevice(soft_iface);
}
/**
* @brief This function removes an virtual interface.
*
* @param handle A pointer to the moal_handle structure
*
* @return N/A
*/
void
woal_remove_virtual_interface(moal_handle *handle)
{
moal_private *priv = NULL;
int vir_intf = 0;
int i = 0;
ENTER();
rtnl_lock();
for (i = 0; i < handle->priv_num; i++) {
priv = handle->priv[i];
if (priv) {
if (priv->bss_virtual) {
PRINTM(MCMND, "Remove virtual interface %s\n",
priv->netdev->name);
#ifdef CONFIG_PROC_FS
#ifdef PROC_DEBUG
/* Remove proc debug */
woal_debug_remove(priv);
#endif /* PROC_DEBUG */
woal_proc_remove(priv);
#endif /* CONFIG_PROC_FS */
netif_device_detach(priv->netdev);
if (priv->netdev->reg_state ==
NETREG_REGISTERED)
unregister_netdevice(priv->netdev);
handle->priv[i] = NULL;
vir_intf++;
}
}
}
rtnl_unlock();
handle->priv_num -= vir_intf;
LEAVE();
}
void cleanup_module(void)
{
rtnl_lock();
unregister_qdisc(&the_master.qops);
unregister_netdevice(&the_master.dev);
rtnl_unlock();
}
static struct net_device *ipmr_reg_vif(void)
{
struct net_device *dev;
struct in_device *in_dev;
dev = alloc_netdev(sizeof(struct net_device_stats), "pimreg",
reg_vif_setup);
if (dev == NULL)
return NULL;
if (register_netdevice(dev)) {
free_netdev(dev);
return NULL;
}
dev->iflink = 0;
if ((in_dev = inetdev_init(dev)) == NULL)
goto failure;
in_dev->cnf.rp_filter = 0;
if (dev_open(dev))
goto failure;
return dev;
failure:
unregister_netdevice(dev);
return NULL;
}
static struct net_device *ipmr_reg_vif(void)
{
struct net_device *dev;
struct in_device *in_dev;
dev = alloc_netdev(sizeof(struct net_device_stats), "pimreg",
reg_vif_setup);
if (dev == NULL)
return NULL;
if (register_netdevice(dev)) {
free_netdev(dev);
return NULL;
}
dev->iflink = 0;
if ((in_dev = inetdev_init(dev)) == NULL)
goto failure;
in_dev->cnf.rp_filter = 0;
if (dev_open(dev))
goto failure;
return dev;
failure:
/* allow the register to be completed before unregistering. */
rtnl_unlock();
rtnl_lock();
unregister_netdevice(dev);
return NULL;
}
void cleanup_module(void)
{
if ( inet_del_protocol(&ipip_protocol) < 0 )
printk(KERN_INFO "ipip close: can't remove protocol\n");
unregister_netdevice(&ipip_fb_tunnel_dev);
}
/*
* del_virtual_intf: remove the virtual interface determined by dev
*/
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_remove(priv);
#endif
if (!netif_queue_stopped(priv->netdev))
netif_stop_queue(priv->netdev);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (dev->reg_state == NETREG_REGISTERED)
unregister_netdevice(dev);
if (dev->reg_state == NETREG_UNREGISTERED)
free_netdev(dev);
/* Clear the priv in adapter */
priv->netdev = NULL;
priv->media_connected = false;
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
return 0;
}
static
struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
{
struct net_device *dev;
dev = __dev_get_by_name(net, "tunl0");
if (dev) {
const struct net_device_ops *ops = dev->netdev_ops;
int err;
struct ifreq ifr;
struct ip_tunnel_parm p;
struct in_device *in_dev;
memset(&p, 0, sizeof(p));
p.iph.daddr = v->vifc_rmt_addr.s_addr;
p.iph.saddr = v->vifc_lcl_addr.s_addr;
p.iph.version = 4;
p.iph.ihl = 5;
p.iph.protocol = IPPROTO_IPIP;
sprintf(p.name, "dvmrp%d", v->vifc_vifi);
ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
if (ops->ndo_do_ioctl) {
mm_segment_t oldfs = get_fs();
set_fs(KERNEL_DS);
err = ops->ndo_do_ioctl(dev, &ifr, SIOCADDTUNNEL);
set_fs(oldfs);
} else
err = -EOPNOTSUPP;
dev = NULL;
if (err == 0 &&
(dev = __dev_get_by_name(net, p.name)) != NULL) {
dev->flags |= IFF_MULTICAST;
in_dev = __in_dev_get_rtnl(dev);
if (in_dev == NULL)
goto failure;
ipv4_devconf_setall(in_dev);
IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
if (dev_open(dev))
goto failure;
dev_hold(dev);
}
}
return dev;
failure:
/* allow the register to be completed before unregistering. */
rtnl_unlock();
rtnl_lock();
unregister_netdevice(dev);
return NULL;
}
int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct net_device *netdev = wdev->netdev;
struct qtnf_vif *vif;
if (WARN_ON(!netdev))
return -EFAULT;
vif = qtnf_netdev_get_priv(wdev->netdev);
if (qtnf_cmd_send_del_intf(vif))
pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
vif->vifid);
/* Stop data */
netif_tx_stop_all_queues(netdev);
if (netif_carrier_ok(netdev))
netif_carrier_off(netdev);
if (netdev->reg_state == NETREG_REGISTERED)
unregister_netdevice(netdev);
vif->netdev->ieee80211_ptr = NULL;
vif->netdev = NULL;
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
eth_zero_addr(vif->mac_addr);
return 0;
}
int lowpan_register_netdevice(struct net_device *dev,
enum lowpan_lltypes lltype)
{
int i, ret;
dev->addr_len = EUI64_ADDR_LEN;
dev->type = ARPHRD_6LOWPAN;
dev->mtu = IPV6_MIN_MTU;
dev->priv_flags |= IFF_NO_QUEUE;
lowpan_dev(dev)->lltype = lltype;
spin_lock_init(&lowpan_dev(dev)->ctx.lock);
for (i = 0; i < LOWPAN_IPHC_CTX_TABLE_SIZE; i++)
lowpan_dev(dev)->ctx.table[i].id = i;
dev->ndisc_ops = &lowpan_ndisc_ops;
ret = register_netdevice(dev);
if (ret < 0)
return ret;
ret = lowpan_dev_debugfs_init(dev);
if (ret < 0)
unregister_netdevice(dev);
return ret;
}
/*
* Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
*/
int rtw_change_ifname(_adapter *padapter, const char *ifname)
{
struct net_device *pnetdev;
struct net_device *cur_pnetdev;
struct rereg_nd_name_data *rereg_priv;
int ret;
if(!padapter)
goto error;
cur_pnetdev = padapter->pnetdev;
rereg_priv = &padapter->rereg_nd_name_priv;
//free the old_pnetdev
if(rereg_priv->old_pnetdev) {
free_netdev(rereg_priv->old_pnetdev);
rereg_priv->old_pnetdev = NULL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
if(!rtnl_is_locked())
unregister_netdev(cur_pnetdev);
else
#endif
unregister_netdevice(cur_pnetdev);
rereg_priv->old_pnetdev=cur_pnetdev;
pnetdev = rtw_init_netdev(padapter);
if (!pnetdev) {
ret = -1;
goto error;
}
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
rtw_init_netdev_name(pnetdev, ifname);
_rtw_memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
if(!rtnl_is_locked())
ret = register_netdev(pnetdev);
else
#endif
ret = register_netdevice(pnetdev);
if ( ret != 0) {
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
goto error;
}
return 0;
error:
return -1;
}
static void veth_dellink(struct net_device *dev)
{
struct veth_priv *priv;
struct net_device *peer;
priv = netdev_priv(dev);
peer = priv->peer;
if (!list_empty(&priv->list))
list_del(&priv->list);
priv = netdev_priv(peer);
if (!list_empty(&priv->list))
list_del(&priv->list);
unregister_netdevice(dev);
unregister_netdevice(peer);
}
void __exit sit_cleanup(void)
{
inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
rtnl_lock();
sit_destroy_tunnels();
unregister_netdevice(ipip6_fb_tunnel_dev);
rtnl_unlock();
}
static void __exit sit_cleanup(void)
{
xfrm4_tunnel_deregister(&sit_handler, AF_INET6);
rtnl_lock();
sit_destroy_tunnels();
unregister_netdevice(ipip6_fb_tunnel_dev);
rtnl_unlock();
}
void unregister_hdlc_device(hdlc_device *hdlc)
{
if (hdlc_to_dev(hdlc)->name==NULL)
return; /* device not registered */
destroy_pvc_list(hdlc);
unregister_netdevice(hdlc_to_dev(hdlc));
MOD_DEC_USE_COUNT;
}
void sn_release_netdev(struct sn_device *dev)
{
rtnl_lock();
/* it is possible that the netdev has already been unregistered */
if (dev && dev->netdev && dev->netdev->reg_state == NETREG_REGISTERED)
unregister_netdevice(dev->netdev);
rtnl_unlock();
}
static void internal_dev_destroy(struct vport *vport)
{
struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
netif_stop_queue(netdev_vport->dev);
dev_set_promiscuity(netdev_vport->dev, -1);
unregister_netdevice(netdev_vport->dev);
}
static void internal_dev_destroy(struct vport *vport)
{
struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
netif_stop_queue(netdev_vport->dev);
dev_set_promiscuity(netdev_vport->dev, -1);
/* unregister_netdevice() waits for an RCU grace period. */
unregister_netdevice(netdev_vport->dev);
}
