On Wed, Jul 26, 2023 at 02:38:08PM -0400, Michael S. Tsirkin wrote:

On Wed, Jul 19, 2023 at 12:50:14AM +0000, Bobby Eshleman wrote:

quoted

This commit adds a feature bit for virtio vsock to support datagrams.

Signed-off-by: Jiang Wang <redacted>
Signed-off-by: Bobby Eshleman <redacted>
---
 include/uapi/linux/virtio_vsock.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h
index 331be28b1d30..27b4b2b8bf13 100644
--- a/include/uapi/linux/virtio_vsock.h
+++ b/include/uapi/linux/virtio_vsock.h

@@ -40,6 +40,7 @@

 /* The feature bitmap for virtio vsock */
 #define VIRTIO_VSOCK_F_SEQPACKET	1	/* SOCK_SEQPACKET supported */
+#define VIRTIO_VSOCK_F_DGRAM		3	/* SOCK_DGRAM supported */

 struct virtio_vsock_config {
 	__le64 guest_cid;

pls do not add interface without first getting it accepted in the
virtio spec.

Yep, fortunatelly this series is still RFC.
I think by now we've seen that the implementation is doable, so we
should discuss the changes to the specification ASAP. Then we can
merge the series.

@Bobby can you start the discussion about spec changes?

Thanks,
Stefano