[RFC PATCH v7 20/22] virtio/vsock: SEQPACKET feature bit support
flat view
STALE2041d
From: Arseny Krasnov <hidden>
Date: 2021-03-23 13:17:21
Also in:
kvm, lkml
Subsystem:
networking [general], the rest, virtio and vhost vsock driver, virtio core, vm sockets (af_vsock) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Stefan Hajnoczi, Stefano Garzarella, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
Revision v7 (2 revisions archived).
Revisions (2)
- v6
- v7 current [diff against previous]
This adds handling of SEQPACKET bit: guest tries to negotiate it with vhost. Signed-off-by: Arseny Krasnov <redacted> --- net/vmw_vsock/virtio_transport.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 83ae2078c847..ee99bd919a12 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c@@ -624,6 +624,10 @@ static int virtio_vsock_probe(struct virtio_device *vdev) rcu_assign_pointer(the_virtio_vsock, vsock); mutex_unlock(&the_virtio_vsock_mutex); + + if (vdev->features & (1ULL << VIRTIO_VSOCK_F_SEQPACKET)) + virtio_transport.seqpacket_allow = true; + return 0; out:
@@ -707,6 +711,7 @@ static struct virtio_device_id id_table[] = { }; static unsigned int features[] = { + VIRTIO_VSOCK_F_SEQPACKET }; static struct virtio_driver virtio_vsock_driver = {
--
2.25.1