4 files changed, 32 insertions, 3 deletions
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 2a17500..131bde9 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -330,7 +330,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
 	struct rtable *rt;
 	int err, ret = NET_XMIT_DROP;
 	struct flowi4 fl4 = {
-		.flowi4_oif = dev->iflink,
+		.flowi4_oif = dev_get_iflink(dev),
 		.flowi4_tos = RT_TOS(ip4h->tos),
 		.flowi4_flags = FLOWI_FLAG_ANYSRC,
 		.daddr = ip4h->daddr,
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 2950c37..1701ede 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -114,7 +114,6 @@ static int ipvlan_init(struct net_device *dev)
 	dev->features = phy_dev->features & IPVLAN_FEATURES;
 	dev->features |= NETIF_F_LLTX;
 	dev->gso_max_size = phy_dev->gso_max_size;
-	dev->iflink = phy_dev->ifindex;
 	dev->hard_header_len = phy_dev->hard_header_len;
 
 	ipvlan_set_lockdep_class(dev);
@@ -305,6 +304,13 @@ static int ipvlan_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
 	return 0;
 }
 
+static int ipvlan_get_iflink(const struct net_device *dev)
+{
+	struct ipvl_dev *ipvlan = netdev_priv(dev);
+
+	return ipvlan->phy_dev->ifindex;
+}
+
 static const struct net_device_ops ipvlan_netdev_ops = {
 	.ndo_init		= ipvlan_init,
 	.ndo_uninit		= ipvlan_uninit,
@@ -317,6 +323,7 @@ static const struct net_device_ops ipvlan_netdev_ops = {
 	.ndo_get_stats64	= ipvlan_get_stats64,
 	.ndo_vlan_rx_add_vid	= ipvlan_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid	= ipvlan_vlan_rx_kill_vid,
+	.ndo_get_iflink		= ipvlan_get_iflink,
 };
 
 static int ipvlan_hard_header(struct sk_buff *skb, struct net_device *dev,
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index b5e3320..b227a13 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -786,7 +786,6 @@ static int macvlan_init(struct net_device *dev)
 	dev->hw_features	|= NETIF_F_LRO;
 	dev->vlan_features	= lowerdev->vlan_features & MACVLAN_FEATURES;
 	dev->gso_max_size	= lowerdev->gso_max_size;
-	dev->iflink		= lowerdev->ifindex;
 	dev->hard_header_len	= lowerdev->hard_header_len;
 
 	macvlan_set_lockdep_class(dev);
@@ -995,6 +994,13 @@ static void macvlan_dev_netpoll_cleanup(struct net_device *dev)
 }
 #endif	/* CONFIG_NET_POLL_CONTROLLER */
 
+static int macvlan_dev_get_iflink(const struct net_device *dev)
+{
+	struct macvlan_dev *vlan = netdev_priv(dev);
+
+	return vlan->lowerdev->ifindex;
+}
+
 static const struct ethtool_ops macvlan_ethtool_ops = {
 	.get_link		= ethtool_op_get_link,
 	.get_settings		= macvlan_ethtool_get_settings,
@@ -1025,6 +1031,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
 	.ndo_netpoll_setup	= macvlan_dev_netpoll_setup,
 	.ndo_netpoll_cleanup	= macvlan_dev_netpoll_cleanup,
 #endif
+	.ndo_get_iflink		= macvlan_dev_get_iflink,
 };
 
 void macvlan_common_setup(struct net_device *dev)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 4cca36e..c8186ff 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -263,6 +263,20 @@ static void veth_poll_controller(struct net_device *dev)
 }
 #endif	/* CONFIG_NET_POLL_CONTROLLER */
 
+static int veth_get_iflink(const struct net_device *dev)
+{
+	struct veth_priv *priv = netdev_priv(dev);
+	struct net_device *peer;
+	int iflink;
+
+	rcu_read_lock();
+	peer = rcu_dereference(priv->peer);
+	iflink = peer ? peer->ifindex : 0;
+	rcu_read_unlock();
+
+	return iflink;
+}
+
 static const struct net_device_ops veth_netdev_ops = {
 	.ndo_init            = veth_dev_init,
 	.ndo_open            = veth_open,
@@ -275,6 +289,7 @@ static const struct net_device_ops veth_netdev_ops = {
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= veth_poll_controller,
 #endif
+	.ndo_get_iflink		= veth_get_iflink,
 };
 
 #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |    \