[dpdk-dev] [PATCH v3 17/21] net/virtio: disable ctrl virtqueue for packed rings

[Jens Freimann]

Signed-off-by: Jens Freiman <jfreimann at 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 dc220c743..7367d9c5d 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1157,6 +1157,13 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
 	req_features &= ~(1ull << VIRTIO_F_RING_PACKED);
 #endif
 
+	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.
-- 
2.14.3