69 	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_change_rx_flags()  local
72 	if (!vf_netdev)  in netvsc_change_rx_flags()
77 		dev_set_promiscuity(vf_netdev, inc);  in netvsc_change_rx_flags()
82 		dev_set_allmulti(vf_netdev, inc);  in netvsc_change_rx_flags()
89 	struct net_device *vf_netdev;  in netvsc_set_rx_mode()  local
93 	vf_netdev = rcu_dereference(ndev_ctx->vf_netdev);  in netvsc_set_rx_mode()
94 	if (vf_netdev) {  in netvsc_set_rx_mode()
95 		dev_uc_sync(vf_netdev, net);  in netvsc_set_rx_mode()
96 		dev_mc_sync(vf_netdev, net);  in netvsc_set_rx_mode()
117 	struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_open()  local
137 	if (vf_netdev) {  in netvsc_open()
142 		ret = dev_open(vf_netdev, NULL);  in netvsc_open()
146 				    vf_netdev->name, ret);  in netvsc_open()
203 	struct net_device *vf_netdev  in netvsc_close()  local
204 		= rtnl_dereference(net_device_ctx->vf_netdev);  in netvsc_close()
224 	if (vf_netdev)  in netvsc_close()
225 		dev_close(vf_netdev);  in netvsc_close()
300 	struct net_device *vf_netdev;  in netvsc_select_queue()  local
304 	vf_netdev = rcu_dereference(ndc->vf_netdev);  in netvsc_select_queue()
305 	if (vf_netdev) {  in netvsc_select_queue()
306 		const struct net_device_ops *vf_ops = vf_netdev->netdev_ops;  in netvsc_select_queue()
309 			txq = vf_ops->ndo_select_queue(vf_netdev, skb, sb_dev);  in netvsc_select_queue()
311 			txq = netdev_pick_tx(vf_netdev, skb, NULL);  in netvsc_select_queue()
416 static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev,  in netvsc_vf_xmit()  argument
423 	skb->dev = vf_netdev;  in netvsc_vf_xmit()
449 	struct net_device *vf_netdev;  in netvsc_xmit()  local
458 	vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev);  in netvsc_xmit()
459 	if (vf_netdev && netif_running(vf_netdev) &&  in netvsc_xmit()
460 	    netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net) &&  in netvsc_xmit()
462 		return netvsc_vf_xmit(net, vf_netdev, skb);  in netvsc_xmit()
1144 	struct net_device *vf_netdev;  in netvsc_get_link_ksettings()  local
1146 	vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_get_link_ksettings()
1148 	if (vf_netdev)  in netvsc_get_link_ksettings()
1149 		return __ethtool_get_link_ksettings(vf_netdev, cmd);  in netvsc_get_link_ksettings()
1162 	struct net_device *vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_set_link_ksettings()  local
1164 	if (vf_netdev) {  in netvsc_set_link_ksettings()
1165 		if (!vf_netdev->ethtool_ops->set_link_ksettings)  in netvsc_set_link_ksettings()
1168 		return vf_netdev->ethtool_ops->set_link_ksettings(vf_netdev,  in netvsc_set_link_ksettings()
1179 	struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev);  in netvsc_change_mtu()  local
1194 	if (vf_netdev) {  in netvsc_change_mtu()
1195 		ret = dev_set_mtu(vf_netdev, mtu);  in netvsc_change_mtu()
1216 	if (vf_netdev)  in netvsc_change_mtu()
1217 		dev_set_mtu(vf_netdev, orig_mtu);  in netvsc_change_mtu()
1372 	struct net_device *vf_netdev = rtnl_dereference(ndc->vf_netdev);  in netvsc_set_mac_addr()  local
1384 	if (vf_netdev) {  in netvsc_set_mac_addr()
1385 		err = dev_set_mac_address(vf_netdev, addr, NULL);  in netvsc_set_mac_addr()
1393 	} else if (vf_netdev) {  in netvsc_set_mac_addr()
1396 		dev_set_mac_address(vf_netdev, addr, NULL);  in netvsc_set_mac_addr()
1887 	struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev);  in netvsc_set_features()  local
1915 	if (!vf_netdev)  in netvsc_set_features()
1918 	vf_netdev->wanted_features = features;  in netvsc_set_features()
1919 	netdev_update_features(vf_netdev);  in netvsc_set_features()
2103 static struct net_device *get_netvsc_byref(struct net_device *vf_netdev)  in get_netvsc_byref()  argument
2108 	dev = netdev_master_upper_dev_get(vf_netdev);  in get_netvsc_byref()
2147 static int netvsc_vf_join(struct net_device *vf_netdev,  in netvsc_vf_join()  argument
2153 	ret = netdev_rx_handler_register(vf_netdev,  in netvsc_vf_join()
2156 		netdev_err(vf_netdev,  in netvsc_vf_join()
2162 	ret = netdev_master_upper_dev_link(vf_netdev, ndev,  in netvsc_vf_join()
2165 		netdev_err(vf_netdev,  in netvsc_vf_join()
2177 	call_netdevice_notifiers(NETDEV_JOIN, vf_netdev);  in netvsc_vf_join()
2179 	netdev_info(vf_netdev, "joined to %s\n", ndev->name);  in netvsc_vf_join()
2183 	netdev_rx_handler_unregister(vf_netdev);  in netvsc_vf_join()
2189 			      struct net_device *vf_netdev)  in __netvsc_vf_setup()  argument
2194 	ret = dev_set_mtu(vf_netdev, ndev->mtu);  in __netvsc_vf_setup()
2196 		netdev_warn(vf_netdev,  in __netvsc_vf_setup()
2200 	dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE, NULL);  in __netvsc_vf_setup()
2204 	dev_uc_sync(vf_netdev, ndev);  in __netvsc_vf_setup()
2205 	dev_mc_sync(vf_netdev, ndev);  in __netvsc_vf_setup()
2209 		ret = dev_open(vf_netdev, NULL);  in __netvsc_vf_setup()
2211 			netdev_warn(vf_netdev,  in __netvsc_vf_setup()
2224 	struct net_device *vf_netdev;  in netvsc_vf_setup()  local
2231 	vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_vf_setup()
2232 	if (vf_netdev)  in netvsc_vf_setup()
2233 		__netvsc_vf_setup(ndev, vf_netdev);  in netvsc_vf_setup()
2241 static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)  in get_netvsc_byslot()  argument
2243 	struct device *parent = vf_netdev->dev.parent;  in get_netvsc_byslot()
2254 		netdev_notice(vf_netdev, "no PCI slot information\n");  in get_netvsc_byslot()
2259 		netdev_notice(vf_netdev, "Invalid vf serial:%s\n",  in get_netvsc_byslot()
2272 		if (ndev->addr_len != vf_netdev->addr_len ||  in get_netvsc_byslot()
2273 		    memcmp(ndev->perm_addr, vf_netdev->perm_addr,  in get_netvsc_byslot()
2290 		if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr) ||  in get_netvsc_byslot()
2291 		    ether_addr_equal(vf_netdev->dev_addr, ndev->perm_addr))  in get_netvsc_byslot()
2295 	netdev_notice(vf_netdev,  in get_netvsc_byslot()
2300 static int netvsc_prepare_bonding(struct net_device *vf_netdev)  in netvsc_prepare_bonding()  argument
2304 	ndev = get_netvsc_byslot(vf_netdev);  in netvsc_prepare_bonding()
2311 	vf_netdev->flags |= IFF_SLAVE;  in netvsc_prepare_bonding()
2312 	vf_netdev->priv_flags |= IFF_NO_ADDRCONF;  in netvsc_prepare_bonding()
2316 static int netvsc_register_vf(struct net_device *vf_netdev, int context)  in netvsc_register_vf()  argument
2324 	if (vf_netdev->addr_len != ETH_ALEN)  in netvsc_register_vf()
2327 	ndev = get_netvsc_byslot(vf_netdev);  in netvsc_register_vf()
2333 	if (!netvsc_dev || rtnl_dereference(net_device_ctx->vf_netdev))  in netvsc_register_vf()
2340 	if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) {  in netvsc_register_vf()
2341 		ret = dev_change_net_namespace(vf_netdev,  in netvsc_register_vf()
2344 			netdev_err(vf_netdev,  in netvsc_register_vf()
2348 			netdev_info(vf_netdev,  in netvsc_register_vf()
2354 	netdev_info(ndev, "VF registering: %s\n", vf_netdev->name);  in netvsc_register_vf()
2356 	if (netvsc_vf_join(vf_netdev, ndev, context) != 0)  in netvsc_register_vf()
2359 	dev_hold(vf_netdev);  in netvsc_register_vf()
2360 	rcu_assign_pointer(net_device_ctx->vf_netdev, vf_netdev);  in netvsc_register_vf()
2362 	if (ndev->needed_headroom < vf_netdev->needed_headroom)  in netvsc_register_vf()
2363 		ndev->needed_headroom = vf_netdev->needed_headroom;  in netvsc_register_vf()
2365 	vf_netdev->wanted_features = ndev->features;  in netvsc_register_vf()
2366 	netdev_update_features(vf_netdev);  in netvsc_register_vf()
2369 	netvsc_vf_setxdp(vf_netdev, prog);  in netvsc_register_vf()
2384 static int netvsc_vf_changed(struct net_device *vf_netdev, unsigned long event)  in netvsc_vf_changed()  argument
2393 		vf_is_up = netif_running(vf_netdev);  in netvsc_vf_changed()
2395 	ndev = get_netvsc_byref(vf_netdev);  in netvsc_vf_changed()
2417 			   vf_is_up ? "to" : "from", vf_netdev->name, ret);  in netvsc_vf_changed()
2421 			    vf_is_up ? "to" : "from", vf_netdev->name);  in netvsc_vf_changed()
2434 			netif_set_tso_max_size(ndev, vf_netdev->tso_max_size);  in netvsc_vf_changed()
2442 static int netvsc_unregister_vf(struct net_device *vf_netdev)  in netvsc_unregister_vf()  argument
2447 	ndev = get_netvsc_byref(vf_netdev);  in netvsc_unregister_vf()
2454 	netdev_info(ndev, "VF unregistering: %s\n", vf_netdev->name);  in netvsc_unregister_vf()
2457 	netdev_rx_handler_unregister(vf_netdev);  in netvsc_unregister_vf()
2458 	netdev_upper_dev_unlink(vf_netdev, ndev);  in netvsc_unregister_vf()
2459 	RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);  in netvsc_unregister_vf()
2460 	dev_put(vf_netdev);  in netvsc_unregister_vf()
2491 	struct net_device *net = NULL, *vf_netdev;  in netvsc_probe()  local
2615 	for_each_netdev(dev_net(net), vf_netdev) {  in netvsc_probe()
2616 		ret = check_dev_is_matching_vf(vf_netdev);  in netvsc_probe()
2620 		if (net != get_netvsc_byslot(vf_netdev))  in netvsc_probe()
2623 		netvsc_prepare_bonding(vf_netdev);  in netvsc_probe()
2624 		netdev_lock_ops(vf_netdev);  in netvsc_probe()
2625 		netvsc_register_vf(vf_netdev, VF_REG_IN_PROBE);  in netvsc_probe()
2626 		netdev_unlock_ops(vf_netdev);  in netvsc_probe()
2627 		__netvsc_vf_setup(net, vf_netdev);  in netvsc_probe()
2652 	struct net_device *vf_netdev, *net;  in netvsc_remove()  local
2678 	vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_remove()
2679 	if (vf_netdev)  in netvsc_remove()
2680 		netvsc_unregister_vf(vf_netdev);  in netvsc_remove()
2782 	struct net_device *vf_netdev;  in netvsc_event_set_vf_ns()  local
2785 	vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);  in netvsc_event_set_vf_ns()
2786 	if (!vf_netdev)  in netvsc_event_set_vf_ns()
2789 	if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) {  in netvsc_event_set_vf_ns()
2790 		ret = dev_change_net_namespace(vf_netdev, dev_net(ndev),  in netvsc_event_set_vf_ns()
2793 			netdev_err(vf_netdev,  in netvsc_event_set_vf_ns()
2797 			netdev_info(vf_netdev,  in netvsc_event_set_vf_ns()