64 	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_change_rx_flags()  local
67 	if (!vf_netdev)  in netvsc_change_rx_flags()
72 		dev_set_promiscuity(vf_netdev, inc);  in netvsc_change_rx_flags()
77 		dev_set_allmulti(vf_netdev, inc);  in netvsc_change_rx_flags()
84 	struct net_device *vf_netdev;  in netvsc_set_rx_mode()  local
88 	vf_netdev = rcu_dereference(ndev_ctx->vf_netdev);  in netvsc_set_rx_mode()
89 	if (vf_netdev) {  in netvsc_set_rx_mode()
90 		dev_uc_sync(vf_netdev, net);  in netvsc_set_rx_mode()
91 		dev_mc_sync(vf_netdev, net);  in netvsc_set_rx_mode()
112 	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_open()  local
132 	if (vf_netdev) {  in netvsc_open()
137 		ret = dev_open(vf_netdev, NULL);  in netvsc_open()
141 				    vf_netdev->name, ret);  in netvsc_open()
198 	struct net_device *vf_netdev  in netvsc_close()  local
199 		= rtnl_dereference(net_device_ctx->vf_netdev);  in netvsc_close()
219 	if (vf_netdev)  in netvsc_close()
220 		dev_close(vf_netdev);  in netvsc_close()
295 	struct net_device *vf_netdev;  in netvsc_select_queue()  local
299 	vf_netdev = rcu_dereference(ndc->vf_netdev);  in netvsc_select_queue()
300 	if (vf_netdev) {  in netvsc_select_queue()
301 		const struct net_device_ops *vf_ops = vf_netdev->netdev_ops;  in netvsc_select_queue()
304 			txq = vf_ops->ndo_select_queue(vf_netdev, skb, sb_dev);  in netvsc_select_queue()
306 			txq = netdev_pick_tx(vf_netdev, skb, NULL);  in netvsc_select_queue()
445 static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev,  in netvsc_vf_xmit()  argument
452 	skb->dev = vf_netdev;  in netvsc_vf_xmit()
478 	struct net_device *vf_netdev;  in netvsc_xmit()  local
487 	vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev);  in netvsc_xmit()
488 	if (vf_netdev && netif_running(vf_netdev) &&  in netvsc_xmit()
489 	    netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net) &&  in netvsc_xmit()
491 		return netvsc_vf_xmit(net, vf_netdev, skb);  in netvsc_xmit()
1172 	struct net_device *vf_netdev;  in netvsc_get_link_ksettings()  local
1174 	vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_get_link_ksettings()
1176 	if (vf_netdev)  in netvsc_get_link_ksettings()
1177 		return __ethtool_get_link_ksettings(vf_netdev, cmd);  in netvsc_get_link_ksettings()
1190 	struct net_device *vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_set_link_ksettings()  local
1192 	if (vf_netdev) {  in netvsc_set_link_ksettings()
1193 		if (!vf_netdev->ethtool_ops->set_link_ksettings)  in netvsc_set_link_ksettings()
1196 		return vf_netdev->ethtool_ops->set_link_ksettings(vf_netdev,  in netvsc_set_link_ksettings()
1207 	struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev);  in netvsc_change_mtu()  local
1222 	if (vf_netdev) {  in netvsc_change_mtu()
1223 		ret = dev_set_mtu(vf_netdev, mtu);  in netvsc_change_mtu()
1244 	if (vf_netdev)  in netvsc_change_mtu()
1245 		dev_set_mtu(vf_netdev, orig_mtu);  in netvsc_change_mtu()
1400 	struct net_device *vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_set_mac_addr()  local
1412 	if (vf_netdev) {  in netvsc_set_mac_addr()
1413 		err = dev_set_mac_address(vf_netdev, addr, NULL);  in netvsc_set_mac_addr()
1421 	} else if (vf_netdev) {  in netvsc_set_mac_addr()
1424 		dev_set_mac_address(vf_netdev, addr, NULL);  in netvsc_set_mac_addr()
1924 	struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev);  in netvsc_set_features()  local
1952 	if (!vf_netdev)  in netvsc_set_features()
1955 	vf_netdev->wanted_features = features;  in netvsc_set_features()
1956 	netdev_update_features(vf_netdev);  in netvsc_set_features()
2139 static struct net_device *get_netvsc_byref(struct net_device *vf_netdev)  in get_netvsc_byref()  argument
2144 	dev = netdev_master_upper_dev_get(vf_netdev);  in get_netvsc_byref()
2183 static int netvsc_vf_join(struct net_device *vf_netdev,  in netvsc_vf_join()  argument
2189 	ret = netdev_rx_handler_register(vf_netdev,  in netvsc_vf_join()
2192 		netdev_err(vf_netdev,  in netvsc_vf_join()
2198 	ret = netdev_master_upper_dev_link(vf_netdev, ndev,  in netvsc_vf_join()
2201 		netdev_err(vf_netdev,  in netvsc_vf_join()
2208 	vf_netdev->flags |= IFF_SLAVE;  in netvsc_vf_join()
2212 	call_netdevice_notifiers(NETDEV_JOIN, vf_netdev);  in netvsc_vf_join()
2214 	netdev_info(vf_netdev, "joined to %s\n", ndev->name);  in netvsc_vf_join()
2218 	netdev_rx_handler_unregister(vf_netdev);  in netvsc_vf_join()
2224 			      struct net_device *vf_netdev)  in __netvsc_vf_setup()  argument
2229 	ret = dev_set_mtu(vf_netdev, ndev->mtu);  in __netvsc_vf_setup()
2231 		netdev_warn(vf_netdev,  in __netvsc_vf_setup()
2235 	dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE, NULL);  in __netvsc_vf_setup()
2239 	dev_uc_sync(vf_netdev, ndev);  in __netvsc_vf_setup()
2240 	dev_mc_sync(vf_netdev, ndev);  in __netvsc_vf_setup()
2244 		ret = dev_open(vf_netdev, NULL);  in __netvsc_vf_setup()
2246 			netdev_warn(vf_netdev,  in __netvsc_vf_setup()
2259 	struct net_device *vf_netdev;  in netvsc_vf_setup()  local
2266 	vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_vf_setup()
2267 	if (vf_netdev)  in netvsc_vf_setup()
2268 		__netvsc_vf_setup(ndev, vf_netdev);  in netvsc_vf_setup()
2276 static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)  in get_netvsc_byslot()  argument
2278 	struct device *parent = vf_netdev->dev.parent;  in get_netvsc_byslot()
2289 		netdev_notice(vf_netdev, "no PCI slot information\n");  in get_netvsc_byslot()
2294 		netdev_notice(vf_netdev, "Invalid vf serial:%s\n",  in get_netvsc_byslot()
2307 		if (ndev->addr_len != vf_netdev->addr_len ||  in get_netvsc_byslot()
2308 		    memcmp(ndev->perm_addr, vf_netdev->perm_addr,  in get_netvsc_byslot()
2321 		if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)) {  in get_netvsc_byslot()
2322 			netdev_notice(vf_netdev,  in get_netvsc_byslot()
2328 	netdev_notice(vf_netdev,  in get_netvsc_byslot()
2333 static int netvsc_register_vf(struct net_device *vf_netdev)  in netvsc_register_vf()  argument
2341 	if (vf_netdev->addr_len != ETH_ALEN)  in netvsc_register_vf()
2344 	ndev = get_netvsc_byslot(vf_netdev);  in netvsc_register_vf()
2350 	if (!netvsc_dev || rtnl_dereference(net_device_ctx->vf_netdev))  in netvsc_register_vf()
2357 	if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) {  in netvsc_register_vf()
2358 		ret = dev_change_net_namespace(vf_netdev,  in netvsc_register_vf()
2361 			netdev_err(vf_netdev,  in netvsc_register_vf()
2365 			netdev_info(vf_netdev,  in netvsc_register_vf()
2371 	netdev_info(ndev, "VF registering: %s\n", vf_netdev->name);  in netvsc_register_vf()
2373 	if (netvsc_vf_join(vf_netdev, ndev) != 0)  in netvsc_register_vf()
2376 	dev_hold(vf_netdev);  in netvsc_register_vf()
2377 	rcu_assign_pointer(net_device_ctx->vf_netdev, vf_netdev);  in netvsc_register_vf()
2379 	if (ndev->needed_headroom < vf_netdev->needed_headroom)  in netvsc_register_vf()
2380 		ndev->needed_headroom = vf_netdev->needed_headroom;  in netvsc_register_vf()
2382 	vf_netdev->wanted_features = ndev->features;  in netvsc_register_vf()
2383 	netdev_update_features(vf_netdev);  in netvsc_register_vf()
2386 	netvsc_vf_setxdp(vf_netdev, prog);  in netvsc_register_vf()
2401 static int netvsc_vf_changed(struct net_device *vf_netdev, unsigned long event)  in netvsc_vf_changed()  argument
2410 		vf_is_up = netif_running(vf_netdev);  in netvsc_vf_changed()
2412 	ndev = get_netvsc_byref(vf_netdev);  in netvsc_vf_changed()
2434 			   vf_is_up ? "to" : "from", vf_netdev->name, ret);  in netvsc_vf_changed()
2438 			    vf_is_up ? "to" : "from", vf_netdev->name);  in netvsc_vf_changed()
2444 static int netvsc_unregister_vf(struct net_device *vf_netdev)  in netvsc_unregister_vf()  argument
2449 	ndev = get_netvsc_byref(vf_netdev);  in netvsc_unregister_vf()
2456 	netdev_info(ndev, "VF unregistering: %s\n", vf_netdev->name);  in netvsc_unregister_vf()
2458 	netvsc_vf_setxdp(vf_netdev, NULL);  in netvsc_unregister_vf()
2461 	netdev_rx_handler_unregister(vf_netdev);  in netvsc_unregister_vf()
2462 	netdev_upper_dev_unlink(vf_netdev, ndev);  in netvsc_unregister_vf()
2463 	RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);  in netvsc_unregister_vf()
2464 	dev_put(vf_netdev);  in netvsc_unregister_vf()
2600 	struct net_device *vf_netdev, *net;  in netvsc_remove()  local
2624 	vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_remove()
2625 	if (vf_netdev)  in netvsc_remove()
2626 		netvsc_unregister_vf(vf_netdev);  in netvsc_remove()