[dpdk-dev] [PATCH v5 09/11] 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 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index a2bb726ba..b02c65598 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1161,6 +1161,15 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
 			req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
 	}
 
+#ifdef RTE_LIBRTE_VIRTIO_PQ
+	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);
+	}
+#endif
+
 	/*
 	 * Negotiate features: Subset of device feature bits are written back
 	 * guest feature bits.
-- 
2.17.1