veth: advertise link netns via netlink
Assign rtnl_link_ops->get_link_net() callback so that IFLA_LINK_NETNSID is added to rtnetlink messages. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -469,6 +469,14 @@ static const struct nla_policy veth_policy[VETH_INFO_MAX + 1] = {
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[VETH_INFO_PEER] = { .len = sizeof(struct ifinfomsg) },
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};
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static struct net *veth_get_link_net(const struct net_device *dev)
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{
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struct veth_priv *priv = netdev_priv(dev);
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struct net_device *peer = rtnl_dereference(priv->peer);
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return peer ? dev_net(peer) : dev_net(dev);
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}
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static struct rtnl_link_ops veth_link_ops = {
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.kind = DRV_NAME,
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.priv_size = sizeof(struct veth_priv),
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@ -478,6 +486,7 @@ static struct rtnl_link_ops veth_link_ops = {
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.dellink = veth_dellink,
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.policy = veth_policy,
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.maxtype = VETH_INFO_MAX,
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.get_link_net = veth_get_link_net,
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};
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/*
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