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virtio_net: bigger header when VERSION_1 is set
With VERSION_1 virtio_net uses same header size whether mergeable buffers are enabled or not. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Jason Wang <jasowang@redhat.com>
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1 changed files with 2 additions and 1 deletions
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@ -1805,7 +1805,8 @@ static int virtnet_probe(struct virtio_device *vdev)
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if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
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vi->mergeable_rx_bufs = true;
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if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
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if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF) ||
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virtio_has_feature(vdev, VIRTIO_F_VERSION_1))
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vi->hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf);
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else
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vi->hdr_len = sizeof(struct virtio_net_hdr);
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