[dpdk-dev] [PATCH v14 09/10] net/virtio-user: fail if cq used with packed vq
Jens Freimann
jfreimann at redhat.com
Mon Dec 17 22:31:38 CET 2018
Until we have support for control virtqueues let's disable it and
fail device initalization if specified as a parameter.
Signed-off-by: Jens Freimann <jfreimann at redhat.com>
---
drivers/net/virtio/virtio_user/virtio_user_dev.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 697ba4ae8..4e331fc6a 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -467,10 +467,16 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues,
if (!in_order)
dev->unsupported_features |= (1ull << VIRTIO_F_IN_ORDER);
- if (packed_vq)
+ if (packed_vq) {
+ if (cq) {
+ PMD_INIT_LOG(ERR, "control vq not supported yet with "
+ "packed virtqueues\n");
+ return -1;
+ }
dev->device_features |= (1ull << VIRTIO_F_RING_PACKED);
- else
+ } else {
dev->device_features &= ~(1ull << VIRTIO_F_RING_PACKED);
+ }
if (dev->mac_specified) {
dev->device_features |= (1ull << VIRTIO_NET_F_MAC);
--
2.17.2
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