[PATCH 15/17] net/virtio: disable ctrl virtqueue for packed rings

[Jens Freimann <jfreimann@redhat.com>]

Signed-off-by: Jens Freiman <jfreimann@redhat.com>
---
 drivers/net/virtio/virtio_ethdev.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 888cc49..9f372a4 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1195,6 +1195,13 @@ static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
 			req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
 	}
 
+	if (req_features & (1ULL << VIRTIO_F_RING_PACKED)) {
+		req_features &= ~(1ull << VIRTIO_NET_F_CTRL_MAC_ADDR);
+		req_features &= ~(1ull << VIRTIO_NET_F_CTRL_VQ);
+		req_features &= ~(1ull << VIRTIO_NET_F_CTRL_RX);
+		req_features &= ~(1ull << VIRTIO_NET_F_CTRL_VLAN);
+	}
+
 	/*
 	 * Negotiate features: Subset of device feature bits are written back
 	 * guest feature bits.
-- 
1.8.3.1