Re: [virtio-comment] [PATCH v3] vsock: add documentation about len header field

[Stefano Garzarella <sgarzare@redhat.com>]

On Thu, Apr 07, 2022 at 11:13:30AM +0300, Laura Loghin wrote:
> Signed-off-by: Laura Loghin <lauralg@amazon.com>
> ---
> virtio-vsock.tex | 5 +++++
> 1 file changed, 5 insertions(+)

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>

> diff --git a/virtio-vsock.tex b/virtio-vsock.tex
> index d79984d..1d6579b 100644
> --- a/virtio-vsock.tex
> +++ b/virtio-vsock.tex
> @@ -107,6 +107,11 @@ \subsection{Device Operation}\label{sec:Device Types / Socket Device / Device Op
> #define VIRTIO_VSOCK_OP_CREDIT_REQUEST 7
> \end{lstlisting}
>
> +\field{len} is the size of the payload, in bytes. However, the driver may
> +provide buffer(s) for the payload that have a total size longer than
> +\field{len}, in which case only the first \field{len} bytes will be used for
> +the actual data.
> +
> \subsubsection{Virtqueue Flow Control}\label{sec:Device Types / Socket Device / Device Operation / Virtqueue Flow Control}
>
> The tx virtqueue carries packets initiated by applications and replies to
> --
> 2.17.1
>
>
>
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