virtio_net: Make virtio_net support carrier detection
Impact: Make NetworkManager work with virtio_net For now the semantics are simple: There is always carrier. This allows a seamless experience with e.g., qemu/kvm where NetworkManager just configures and sets up everything automagically. If/when a generally agreed-upon way to control carrier on/off in the emulator/hypervisor level emerges, it will be trivial to extend the driver to support that too, but for now even this 2-liner makes user experience that much better. Signed-off-by: Pantelis Koukousoulas <pktoss@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net
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@ -612,6 +612,7 @@ static struct ethtool_ops virtnet_ethtool_ops = {
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.set_tx_csum = virtnet_set_tx_csum,
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.set_sg = ethtool_op_set_sg,
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.set_tso = ethtool_op_set_tso,
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.get_link = ethtool_op_get_link,
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};
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#define MIN_MTU 68
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@ -739,6 +740,8 @@ static int virtnet_probe(struct virtio_device *vdev)
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goto unregister;
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}
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netif_carrier_on(dev);
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pr_debug("virtnet: registered device %s\n", dev->name);
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return 0;
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