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veth: set peer GSO values
[ Upstream commit 72d24955b4
]
When new veth is created, and GSO values have been configured
on one device, clone those values to the peer.
For example:
# ip link add dev vm1 gso_max_size 65530 type veth peer name vm2
This should create vm1 <--> vm2 with both having GSO maximum
size set to 65530.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -425,6 +425,9 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
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if (ifmp && (dev->ifindex != 0))
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peer->ifindex = ifmp->ifi_index;
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peer->gso_max_size = dev->gso_max_size;
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peer->gso_max_segs = dev->gso_max_segs;
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err = register_netdevice(peer);
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put_net(net);
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net = NULL;
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