Commit 8c2acc53 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

macvlan: fix gso_max_size setting 



gso_max_size must be set based on the value of the underlying device to
support devices not using the full 64k.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b5b51509

drivers/net/macvlan.c

+2 −0
Original line number Diff line number Diff line
@@ -360,6 +360,7 @@ static int macvlan_init(struct net_device *dev) 
	dev->state		= (dev->state & ~MACVLAN_STATE_MASK) |

				  (lowerdev->state & MACVLAN_STATE_MASK);

	dev->features 		= lowerdev->features & MACVLAN_FEATURES;

	dev->gso_max_size	= lowerdev->gso_max_size;

	dev->iflink		= lowerdev->ifindex;

	dev->hard_header_len	= lowerdev->hard_header_len;
@@ -596,6 +597,7 @@ static int macvlan_device_event(struct notifier_block *unused, 
	case NETDEV_FEAT_CHANGE:

		list_for_each_entry(vlan, &port->vlans, list) {

			vlan->dev->features = dev->features & MACVLAN_FEATURES;

			vlan->dev->gso_max_size = dev->gso_max_size;

			netdev_features_change(vlan->dev);

		}

		break;