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vhost_user_net: Implement VIRTIO_RING_F_EVENT_IDX

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The general handling of VIRTIO_RING_F_EVENT_IDX is in the
vhost_user_backend functionality and the net specific handling is in the
NetQueuePair from virtio-net.

As such enabling for the vhost-user-net backend is just the case of
adding the feature.

Fixes: #789

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-06-01 14:54:39 +01:00 committed by Sebastien Boeuf
parent a4d377a066
commit 61aa4615e2
1 changed files with 2 additions and 0 deletions
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2
vhost_user_net/src/lib.rs
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@ -27,6 +27,7 @@ use vhost_rs::vhost_user::message::*;
use vhost_rs::vhost_user::{Error as VhostUserError, Listener};
use vhost_user_backend::{VhostUserBackend, VhostUserDaemon, Vring, VringWorker};
use virtio_bindings::bindings::virtio_net::*;
use virtio_bindings::bindings::virtio_ring::VIRTIO_RING_F_EVENT_IDX;
use vm_memory::{GuestMemoryAtomic, GuestMemoryMmap};
use vm_virtio::net_util::{open_tap, RxVirtio, TxVirtio};
use vm_virtio::NetQueuePair;
@ -179,6 +180,7 @@ impl VhostUserBackend for VhostUserNetBackend {
| 1 << VIRTIO_NET_F_HOST_TSO4
| 1 << VIRTIO_NET_F_HOST_UFO
| 1 << VIRTIO_F_VERSION_1
| 1 << VIRTIO_RING_F_EVENT_IDX
| VhostUserVirtioFeatures::PROTOCOL_FEATURES.bits()
}