81 	struct net_device *real_dev = vlan->real_dev;  in unregister_vlan_dev()  local
88 	vlan_info = rtnl_dereference(real_dev->vlan_info);  in unregister_vlan_dev()
102 	netdev_upper_dev_unlink(real_dev, dev);  in unregister_vlan_dev()
110 		vlan_mvrp_uninit_applicant(real_dev);  in unregister_vlan_dev()
111 		vlan_gvrp_uninit_applicant(real_dev);  in unregister_vlan_dev()
119 		vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);  in unregister_vlan_dev()
122 	dev_put(real_dev);  in unregister_vlan_dev()
125 int vlan_check_real_dev(struct net_device *real_dev,  in vlan_check_real_dev()  argument
128 	const char *name = real_dev->name;  in vlan_check_real_dev()
130 	if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {  in vlan_check_real_dev()
135 	if (vlan_find_dev(real_dev, protocol, vlan_id) != NULL)  in vlan_check_real_dev()
144 	struct net_device *real_dev = vlan->real_dev;  in register_vlan_dev()  local
150 	err = vlan_vid_add(real_dev, vlan->vlan_proto, vlan_id);  in register_vlan_dev()
154 	vlan_info = rtnl_dereference(real_dev->vlan_info);  in register_vlan_dev()
160 		err = vlan_gvrp_init_applicant(real_dev);  in register_vlan_dev()
163 		err = vlan_mvrp_init_applicant(real_dev);  in register_vlan_dev()
172 	vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1;  in register_vlan_dev()
177 	err = netdev_upper_dev_link(real_dev, dev);  in register_vlan_dev()
182 	dev_hold(real_dev);  in register_vlan_dev()
184 	netif_stacked_transfer_operstate(real_dev, dev);  in register_vlan_dev()
199 		vlan_mvrp_uninit_applicant(real_dev);  in register_vlan_dev()
202 		vlan_gvrp_uninit_applicant(real_dev);  in register_vlan_dev()
204 	vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);  in register_vlan_dev()
211 static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)  in register_vlan_device()  argument
215 	struct net *net = dev_net(real_dev);  in register_vlan_device()
223 	err = vlan_check_real_dev(real_dev, htons(ETH_P_8021Q), vlan_id);  in register_vlan_device()
231 		snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);  in register_vlan_device()
243 		snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);  in register_vlan_device()
263 	new_dev->mtu = real_dev->mtu;  in register_vlan_device()
264 	new_dev->priv_flags |= (real_dev->priv_flags & IFF_UNICAST_FLT);  in register_vlan_device()
269 	vlan->real_dev = real_dev;  in register_vlan_device()