[PATCH v1 20/21] net/virtio-user: advertize control VQ support with vDPA

Maxime Coquelin maxime.coquelin at redhat.com
Wed Nov 30 16:56:38 CET 2022


This patch advertizes control virtqueue support by the vDPA
backend if it supports VIRTIO_NET_F_CTRL_VQ.

Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>
---
 drivers/net/virtio/virtio_user/vhost_vdpa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index 3fd13d9fac..7bb4995893 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -135,8 +135,8 @@ vhost_vdpa_get_features(struct virtio_user_dev *dev, uint64_t *features)
 		return -1;
 	}
 
-	/* Multiqueue not supported for now */
-	*features &= ~(1ULL << VIRTIO_NET_F_MQ);
+	if (*features & 1ULL << VIRTIO_NET_F_CTRL_VQ)
+		dev->hw_cvq = true;
 
 	/* Negotiated vDPA backend features */
 	ret = vhost_vdpa_get_protocol_features(dev, &data->protocol_features);
-- 
2.38.1



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