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Commit 61345fab authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

net: ipvlan: Issue NETDEV_PRE_CHANGEADDR 



A NETDEV_CHANGEADDR event implies a change of address of each of the
IPVLANs of this IPVLAN device. Therefore propagate NETDEV_PRE_CHANGEADDR
to all the IPVLANs.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Acked-by: default avatarJiri Pirko <jiri@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b89df65c

drivers/net/ipvlan/ipvlan_main.c

+14 −0
Original line number Diff line number Diff line
@@ -759,10 +759,13 @@ EXPORT_SYMBOL_GPL(ipvlan_link_register); 
static int ipvlan_device_event(struct notifier_block *unused,

			       unsigned long event, void *ptr)

{

	struct netlink_ext_ack *extack = netdev_notifier_info_to_extack(ptr);

	struct netdev_notifier_pre_changeaddr_info *prechaddr_info;

	struct net_device *dev = netdev_notifier_info_to_dev(ptr);

	struct ipvl_dev *ipvlan, *next;

	struct ipvl_port *port;

	LIST_HEAD(lst_kill);

	int err;



	if (!netif_is_ipvlan_port(dev))

		return NOTIFY_DONE;
@@ -818,6 +821,17 @@ static int ipvlan_device_event(struct notifier_block *unused, 
			ipvlan_adjust_mtu(ipvlan, dev);

		break;



	case NETDEV_PRE_CHANGEADDR:

		prechaddr_info = ptr;

		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {

			err = dev_pre_changeaddr_notify(ipvlan->dev,

						    prechaddr_info->dev_addr,

						    extack);

			if (err)

				return notifier_from_errno(err);

		}

		break;



	case NETDEV_CHANGEADDR:

		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {

			ether_addr_copy(ipvlan->dev->dev_addr, dev->dev_addr);