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net: enable GRO by default for vlan devices
Currently vlan devices don't have GRO by default as none of the Ethernet drivers add NETIF_F_GRO to their vlan_features. As GRO is a software feature add GRO to dev->vlan_features in register_netdevice() and let vlan_dev_init() take care that it gets enabled only when dev->features has NETIF_F_GRO too. Signed-off-by: Brandon Philips <bphilips@suse.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -5057,6 +5057,11 @@ int register_netdevice(struct net_device *dev)
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if (dev->features & NETIF_F_SG)
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dev->features |= NETIF_F_GSO;
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/* Enable GRO for vlans by default if dev->features has GRO also.
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* vlan_dev_init() will do the dev->features check.
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*/
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dev->vlan_features |= NETIF_F_GRO;
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ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
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ret = notifier_to_errno(ret);
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if (ret)
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