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Subject[RFC PATCH v6 17/22] virtio/vsock: SEQPACKET feature bit support
Date
This adds handling of SEQPACKET bit: guest tries to negotiate it
with vhost.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
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 2700a63ab095..41c5d0a31e08 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -612,6 +612,10 @@ 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:
@@ -695,6 +699,7 @@ 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
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