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path: root/drivers/net/veth.c
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Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 4cca36ebc4fb..c8186ffda1a3 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 | \