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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2016-03-16 21:59:49 -07:00 • committed by David S. Miller
commit f6773c5e95
4 changed files with 6 additions and 0 deletions
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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");