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Harshavardhan Unnibhavi e3ea110d6e VSOCK: handle VIRTIO_VSOCK_OP_CREDIT_REQUEST

The original implementation of the virtio-vsock driver does not
handle a VIRTIO_VSOCK_OP_CREDIT_REQUEST as required by the
virtio-vsock specification. The vsock device emulated by
vhost-vsock and the virtio-vsock driver never uses this request,
which was probably why nobody noticed it. However, another
implementation of the device may use this request type.

Hence, this commit introduces a way to handle an explicit credit
request by responding with a corresponding credit update as
required by the virtio-vsock specification.

Fixes: 06a8fc7836 ("VSOCK: Introduce virtio_vsock_common.ko")
Signed-off-by: Harshavardhan Unnibhavi <harshanavkis@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20210802173506.2383-1-harshanavkis@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2021-08-03 14:30:59 -07:00

af_vsock_tap.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

af_vsock.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2021-06-29 15:45:27 -07:00

diag.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321

2019-06-05 17:37:05 +02:00

hyperv_transport.c

Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer