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vlan: propagate gso_max_segs

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vlan drivers lack proper propagation of gso_max_segs from
lower device.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-03-16 21:59:49 -07:00 committed by David S. Miller
parent b4ab9d76b9
commit f6773c5e95
4 changed files with 6 additions and 0 deletions
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2
drivers/net/ipvlan/ipvlan_main.c
View File

@ -119,6 +119,7 @@ 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->gso_max_segs = phy_dev->gso_max_segs;
dev->hard_header_len = phy_dev->hard_header_len;
ipvlan_set_lockdep_class(dev);
@ -592,6 +593,7 @@ static int ipvlan_device_event(struct notifier_block *unused,
list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
ipvlan->dev->features = dev->features & IPVLAN_FEATURES;
ipvlan->dev->gso_max_size = dev->gso_max_size;
ipvlan->dev->gso_max_segs = dev->gso_max_segs;
netdev_features_change(ipvlan->dev);
}
break;

2
drivers/net/macvlan.c
View File

@ -803,6 +803,7 @@ 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->gso_max_segs = lowerdev->gso_max_segs;
dev->hard_header_len = lowerdev->hard_header_len;
macvlan_set_lockdep_class(dev);
@ -1532,6 +1533,7 @@ static int macvlan_device_event(struct notifier_block *unused,
case NETDEV_FEAT_CHANGE:
list_for_each_entry(vlan, &port->vlans, list) {
vlan->dev->gso_max_size = dev->gso_max_size;
vlan->dev->gso_max_segs = dev->gso_max_segs;
netdev_update_features(vlan->dev);
}
break;

1
net/8021q/vlan.c
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@ -311,6 +311,7 @@ static void vlan_transfer_features(struct net_device *dev,
struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
vlandev->gso_max_size = dev->gso_max_size;
vlandev->gso_max_segs = dev->gso_max_segs;
if (vlan_hw_offload_capable(dev->features, vlan->vlan_proto))
vlandev->hard_header_len = dev->hard_header_len;

1
net/8021q/vlan_dev.c
View File

@ -551,6 +551,7 @@ static int vlan_dev_init(struct net_device *dev)
dev->features |= real_dev->vlan_features | NETIF_F_LLTX |
NETIF_F_GSO_SOFTWARE;
dev->gso_max_size = real_dev->gso_max_size;
dev->gso_max_segs = real_dev->gso_max_segs;
if (dev->features & NETIF_F_VLAN_FEATURES)
netdev_warn(real_dev, "VLAN features are set incorrectly. Q-in-Q configurations may not work correctly.\n");