macvlan: disable LRO on lower device instead of macvlan
A macvlan device has always LRO disabled so that calling dev_disable_lro() on it does nothing. If we need to disable LRO e.g. because - the macvlan device is inserted into a bridge - IPv6 forwarding is enabled for it - it is in a different namespace than lowerdev and IPv4 forwarding is enabled in it we need to disable LRO on its underlying device instead (as we do for 802.1q VLAN devices). v2: use newly introduced netif_is_macvlan() Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -131,6 +131,7 @@
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#include <linux/static_key.h>
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#include <linux/hashtable.h>
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#include <linux/vmalloc.h>
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#include <linux/if_macvlan.h>
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#include "net-sysfs.h"
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@ -1424,6 +1425,10 @@ void dev_disable_lro(struct net_device *dev)
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if (is_vlan_dev(dev))
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dev = vlan_dev_real_dev(dev);
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/* the same for macvlan devices */
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if (netif_is_macvlan(dev))
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dev = macvlan_dev_real_dev(dev);
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dev->wanted_features &= ~NETIF_F_LRO;
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netdev_update_features(dev);
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