net/virtio-user: fix wrongly get/set features

[dpdk.git] / drivers / net / virtio / virtio_user_ethdev.c

diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index 48a8c4f..fbf9df7 100644 (file)
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -117,7 +117,8 @@ virtio_user_get_features(struct virtio_hw *hw)
 {
        struct virtio_user_dev *dev = virtio_user_get_dev(hw);
 
-       return dev->features;
+       /* unmask feature bits defined in vhost user protocol */
+       return dev->device_features & VIRTIO_PMD_SUPPORTED_GUEST_FEATURES;
 }
 
 static void
@@ -125,7 +126,7 @@ virtio_user_set_features(struct virtio_hw *hw, uint64_t features)
 {
        struct virtio_user_dev *dev = virtio_user_get_dev(hw);
 
-       dev->features = features;
+       dev->features = features & dev->device_features;
 }
 
 static uint8_t