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

[Jens Freimann]

Signed-off-by: Jens Freiman <jfreim...@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