static void veth_dellink(struct net_device *dev, struct list_head *head)
{
struct veth_priv *priv;
struct net_device *peer;
priv = netdev_priv(dev);
peer = priv->peer;
unregister_netdevice_queue(dev, head);
unregister_netdevice_queue(peer, head);
}
static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head)
{
int h;
for (h = 0; h < IP_TNL_HASH_SIZE; h++) {
struct ip_tunnel *t;
struct hlist_node *n;
struct hlist_head *thead = &itn->tunnels[h];
hlist_for_each_entry_safe(t, n, thead, hash_node)
unregister_netdevice_queue(t->dev, head);
}
if (itn->fb_tunnel_dev)
unregister_netdevice_queue(itn->fb_tunnel_dev, head);
}
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;
}
void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
struct net_device *real_dev = vlan->real_dev;
struct vlan_info *vlan_info;
struct vlan_group *grp;
u16 vlan_id = vlan->vlan_id;
ASSERT_RTNL();
vlan_info = rtnl_dereference(real_dev->vlan_info);
BUG_ON(!vlan_info);
grp = &vlan_info->grp;
if (vlan_id)
vlan_vid_del(real_dev, vlan_id);
grp->nr_vlan_devs--;
if (vlan->flags & VLAN_FLAG_GVRP)
vlan_gvrp_request_leave(dev);
vlan_group_set_device(grp, vlan_id, NULL);
unregister_netdevice_queue(dev, head);
if (grp->nr_vlan_devs == 0)
vlan_gvrp_uninit_applicant(real_dev);
dev_put(real_dev);
}
static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
{
int h;
struct ip6_tnl *t;
LIST_HEAD(list);
for (h = 0; h < HASH_SIZE; h++) {
t = ip6n->tnls_r_l[h];
while (t != NULL) {
unregister_netdevice_queue(t->dev, &list);
t = t->next;
}
}
t = ip6n->tnls_wc[0];
unregister_netdevice_queue(t->dev, &list);
unregister_netdevice_many(&list);
}
static void vrf_dellink(struct net_device *dev, struct list_head *head)
{
struct net_device *port_dev;
struct list_head *iter;
netdev_for_each_lower_dev(dev, port_dev, iter)
vrf_del_slave(dev, port_dev);
unregister_netdevice_queue(dev, head);
}
static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head,
struct rtnl_link_ops *ops)
{
struct ip_tunnel *t;
t = rtnl_dereference(itn->collect_md_tun);
if (!t)
return;
unregister_netdevice_queue(t->dev, head);
}
static void veth_dellink(struct net_device *dev, struct list_head *head)
{
struct veth_priv *priv;
struct net_device *peer;
priv = netdev_priv(dev);
peer = rtnl_dereference(priv->peer);
/* Note : dellink() is called from default_device_exit_batch(),
* before a rcu_synchronize() point. The devices are guaranteed
* not being freed before one RCU grace period.
*/
RCU_INIT_POINTER(priv->peer, NULL);
unregister_netdevice_queue(dev, head);
if (peer) {
priv = netdev_priv(peer);
RCU_INIT_POINTER(priv->peer, NULL);
unregister_netdevice_queue(peer, head);
}
}
static void ipoib_unregister_child_dev(struct net_device *dev, struct list_head *head)
{
struct ipoib_dev_priv *priv, *ppriv;
priv = netdev_priv(dev);
ppriv = netdev_priv(priv->parent);
down_write(&ppriv->vlan_rwsem);
unregister_netdevice_queue(dev, head);
list_del(&priv->list);
up_write(&ppriv->vlan_rwsem);
}
static void ipoib_unregister_child_dev(struct net_device *dev, struct list_head *head)
{
struct ipoib_dev_priv *priv, *ppriv;
priv = netdev_priv(dev);
ppriv = netdev_priv(priv->parent);
mutex_lock(&ppriv->vlan_mutex);
unregister_netdevice_queue(dev, head);
list_del(&priv->list);
mutex_unlock(&ppriv->vlan_mutex);
}
void ip_tunnel_dellink(struct net_device *dev, struct list_head *head)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct ip_tunnel_net *itn;
itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);
if (itn->fb_tunnel_dev != dev) {
ip_tunnel_del(itn, netdev_priv(dev));
unregister_netdevice_queue(dev, head);
}
}
void rpl_ip_tunnel_dellink(struct net_device *dev)
#endif
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct ip_tunnel_net *itn;
itn = net_generic(tunnel->net, tunnel->ip_tnl_net_id);
ip_tunnel_del(itn, netdev_priv(dev));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)
unregister_netdevice_queue(dev, head);
#endif
}
static int rmnet_dev_walk_unreg(struct net_device *rmnet_dev, void *data)
{
struct rmnet_walk_data *d = data;
u8 mux_id;
mux_id = rmnet_vnd_get_mux(rmnet_dev);
rmnet_vnd_dellink(mux_id, d->port);
netdev_upper_dev_unlink(rmnet_dev, d->real_dev);
unregister_netdevice_queue(rmnet_dev, d->head);
return 0;
}
static int vif_delete(struct net *net, int vifi, int notify,
struct list_head *head)
{
struct vif_device *v;
struct net_device *dev;
struct in_device *in_dev;
if (vifi < 0 || vifi >= net->ipv4.maxvif)
return -EADDRNOTAVAIL;
v = &net->ipv4.vif_table[vifi];
write_lock_bh(&mrt_lock);
dev = v->dev;
v->dev = NULL;
if (!dev) {
write_unlock_bh(&mrt_lock);
return -EADDRNOTAVAIL;
}
#ifdef CONFIG_IP_PIMSM
if (vifi == net->ipv4.mroute_reg_vif_num)
net->ipv4.mroute_reg_vif_num = -1;
#endif
if (vifi+1 == net->ipv4.maxvif) {
int tmp;
for (tmp=vifi-1; tmp>=0; tmp--) {
if (VIF_EXISTS(net, tmp))
break;
}
net->ipv4.maxvif = tmp+1;
}
write_unlock_bh(&mrt_lock);
dev_set_allmulti(dev, -1);
if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--;
ip_rt_multicast_event(in_dev);
}
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER) && !notify)
unregister_netdevice_queue(dev, head);
dev_put(dev);
return 0;
}
static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head,
struct rtnl_link_ops *ops)
{
struct net *net = dev_net(itn->fb_tunnel_dev);
struct net_device *dev, *aux;
int h;
for_each_netdev_safe(net, dev, aux)
if (dev->rtnl_link_ops == ops)
unregister_netdevice_queue(dev, head);
for (h = 0; h < IP_TNL_HASH_SIZE; h++) {
struct ip_tunnel *t;
struct hlist_node *n;
struct hlist_head *thead = &itn->tunnels[h];
hlist_for_each_entry_safe(t, n, thead, hash_node)
/* If dev is in the same netns, it has already
* been added to the list by the previous loop.
*/
if (!net_eq(dev_net(t->dev), net))
unregister_netdevice_queue(t->dev, head);
}
}
static int mif6_delete(struct net *net, int vifi, struct list_head *head)
{
struct mif_device *v;
struct net_device *dev;
struct inet6_dev *in6_dev;
if (vifi < 0 || vifi >= net->ipv6.maxvif)
return -EADDRNOTAVAIL;
v = &net->ipv6.vif6_table[vifi];
write_lock_bh(&mrt_lock);
dev = v->dev;
v->dev = NULL;
if (!dev) {
write_unlock_bh(&mrt_lock);
return -EADDRNOTAVAIL;
}
#ifdef CONFIG_IPV6_PIMSM_V2
if (vifi == net->ipv6.mroute_reg_vif_num)
net->ipv6.mroute_reg_vif_num = -1;
#endif
if (vifi + 1 == net->ipv6.maxvif) {
int tmp;
for (tmp = vifi - 1; tmp >= 0; tmp--) {
if (MIF_EXISTS(net, tmp))
break;
}
net->ipv6.maxvif = tmp + 1;
}
write_unlock_bh(&mrt_lock);
dev_set_allmulti(dev, -1);
in6_dev = __in6_dev_get(dev);
if (in6_dev)
in6_dev->cnf.mc_forwarding--;
if (v->flags & MIFF_REGISTER)
unregister_netdevice_queue(dev, head);
dev_put(dev);
return 0;
}
void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
{
struct vlan_dev_info *vlan = vlan_dev_info(dev);
struct net_device *real_dev = vlan->real_dev;
const struct net_device_ops *ops = real_dev->netdev_ops;
struct vlan_group *grp;
u16 vlan_id = vlan->vlan_id;
ASSERT_RTNL();
grp = rtnl_dereference(real_dev->vlgrp);
BUG_ON(!grp);
/* Take it out of our own structures, but be sure to interlock with
* HW accelerating devices or SW vlan input packet processing if
* VLAN is not 0 (leave it there for 802.1p).
*/
if (vlan_id && (real_dev->features & NETIF_F_HW_VLAN_FILTER))
ops->ndo_vlan_rx_kill_vid(real_dev, vlan_id);
grp->nr_vlans--;
if (vlan->flags & VLAN_FLAG_GVRP)
vlan_gvrp_request_leave(dev);
vlan_group_set_device(grp, vlan_id, NULL);
/* Because unregister_netdevice_queue() makes sure at least one rcu
* grace period is respected before device freeing,
* we dont need to call synchronize_net() here.
*/
unregister_netdevice_queue(dev, head);
/* If the group is now empty, kill off the group. */
if (grp->nr_vlans == 0) {
vlan_gvrp_uninit_applicant(real_dev);
rcu_assign_pointer(real_dev->vlgrp, NULL);
if (ops->ndo_vlan_rx_register)
ops->ndo_vlan_rx_register(real_dev, NULL);
/* Free the group, after all cpu's are done. */
call_rcu(&grp->rcu, vlan_rcu_free);
}
/* Get rid of the vlan's reference to real_dev */
dev_put(real_dev);
}
static void ipoib_unregister_child_dev(struct net_device *dev)
#endif
{
struct ipoib_dev_priv *priv, *ppriv;
priv = netdev_priv(dev);
ppriv = netdev_priv(priv->parent);
mutex_lock(&ppriv->vlan_mutex);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)
unregister_netdevice_queue(dev, head);
#else
unregister_netdevice(dev);
#endif
list_del(&priv->list);
mutex_unlock(&ppriv->vlan_mutex);
}
void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
struct net_device *real_dev = vlan->real_dev;
struct vlan_info *vlan_info;
struct vlan_group *grp;
u16 vlan_id = vlan->vlan_id;
ASSERT_RTNL();
vlan_info = rtnl_dereference(real_dev->vlan_info);
BUG_ON(!vlan_info);
grp = &vlan_info->grp;
grp->nr_vlan_devs--;
if (vlan->flags & VLAN_FLAG_MVRP)
vlan_mvrp_request_leave(dev);
if (vlan->flags & VLAN_FLAG_GVRP)
vlan_gvrp_request_leave(dev);
vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, NULL);
netdev_upper_dev_unlink(real_dev, dev);
/* Because unregister_netdevice_queue() makes sure at least one rcu
* grace period is respected before device freeing,
* we dont need to call synchronize_net() here.
*/
unregister_netdevice_queue(dev, head);
if (grp->nr_vlan_devs == 0) {
vlan_mvrp_uninit_applicant(real_dev);
vlan_gvrp_uninit_applicant(real_dev);
}
/* Take it out of our own structures, but be sure to interlock with
* HW accelerating devices or SW vlan input packet processing if
* VLAN is not 0 (leave it there for 802.1p).
*/
if (vlan_id)
vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);
/* Get rid of the vlan's reference to real_dev */
dev_put(real_dev);
}
static void rmnet_dellink(struct net_device *dev, struct list_head *head)
{
struct net_device *real_dev;
struct rmnet_port *port;
u8 mux_id;
rcu_read_lock();
real_dev = netdev_master_upper_dev_get_rcu(dev);
rcu_read_unlock();
if (!real_dev || !rmnet_is_real_dev_registered(real_dev))
return;
port = rmnet_get_port_rtnl(real_dev);
mux_id = rmnet_vnd_get_mux(dev);
rmnet_vnd_dellink(mux_id, port);
netdev_upper_dev_unlink(dev, real_dev);
rmnet_unregister_real_device(real_dev, port);
unregister_netdevice_queue(dev, head);
}
static void vrf_dellink(struct net_device *dev, struct list_head *head)
{
unregister_netdevice_queue(dev, head);
}
