geneve/vxlan: offload ports on register/unregister events

This improves consistency of handling when moving a netdev to another
netns. Most drivers currently do a full reset when the device goes up,
so that will flush the offload state anyway.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 74545ec..745d57a 100644 (file)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1567,8 +1567,13 @@ static int geneve_netdevice_event(struct notifier_block *unused,
        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
        if (event == NETDEV_UDP_TUNNEL_PUSH_INFO ||
-           event == NETDEV_UDP_TUNNEL_DROP_INFO)
+           event == NETDEV_UDP_TUNNEL_DROP_INFO) {
                geneve_offload_rx_ports(dev, event == NETDEV_UDP_TUNNEL_PUSH_INFO);
+       } else if (event == NETDEV_UNREGISTER) {
+               geneve_offload_rx_ports(dev, false);
+       } else if (event == NETDEV_REGISTER) {
+               geneve_offload_rx_ports(dev, true);
+       }
 
        return NOTIFY_DONE;
 }

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 4642d5b..dbca067 100644 (file)
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3638,11 +3638,15 @@ static int vxlan_netdevice_event(struct notifier_block *unused,
        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
        struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
 
-       if (event == NETDEV_UNREGISTER)
+       if (event == NETDEV_UNREGISTER) {
+               vxlan_offload_rx_ports(dev, false);
                vxlan_handle_lowerdev_unregister(vn, dev);
-       else if (event == NETDEV_UDP_TUNNEL_PUSH_INFO ||
-                event == NETDEV_UDP_TUNNEL_DROP_INFO)
+       } else if (event == NETDEV_REGISTER) {
+               vxlan_offload_rx_ports(dev, true);
+       } else if (event == NETDEV_UDP_TUNNEL_PUSH_INFO ||
+                  event == NETDEV_UDP_TUNNEL_DROP_INFO) {
                vxlan_offload_rx_ports(dev, event == NETDEV_UDP_TUNNEL_PUSH_INFO);
+       }
 
        return NOTIFY_DONE;
 }