This patch defines some requirements for virtio-net to support reset queues.
Signed-off-by: Xuan Zhuo <[email protected]> --- conformance.tex | 2 ++ content.tex | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/conformance.tex b/conformance.tex index 42f8537..52b4879 100644 --- a/conformance.tex +++ b/conformance.tex @@ -136,6 +136,7 @@ \section{Conformance Targets}\label{sec:Conformance / Conformance Targets} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Packet Transmission} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Setting Up Receive Buffers} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Processing of Incoming Packets} +\item \ref{drivernormative:Device Types / Network Device / Device Operation / Reset Virtqueue} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Control Virtqueue / Packet Receive Filtering} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering} \item \ref{drivernormative:Device Types / Network Device / Device Operation / Control Virtqueue / Gratuitous Packet Sending} @@ -396,6 +397,7 @@ \section{Conformance Targets}\label{sec:Conformance / Conformance Targets} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Packet Transmission} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Setting Up Receive Buffers} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Processing of Incoming Packets} +\item \ref{devicenormative:Device Types / Network Device / Device Operation / Reset Virtqueue} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Control Virtqueue / Packet Receive Filtering} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering} \item \ref{devicenormative:Device Types / Network Device / Device Operation / Control Virtqueue / Gratuitous Packet Sending} diff --git a/content.tex b/content.tex index c6f116c..ce8e37a 100644 --- a/content.tex +++ b/content.tex @@ -4000,6 +4000,25 @@ \subsubsection{Processing of Incoming Packets}\label{sec:Device Types / Network #define VIRTIO_NET_HASH_REPORT_UDPv6_EX 9 \end{lstlisting} +\subsubsection{Reset Virtqueue}\label{sec:Device Types / Network Device / Device Operation / Reset Virtqueue} + +The receive and transmission virtqueues can implement reset based on Virtqueue +Reset (See \ref{sec:Basic Facilities of a Virtio Device / Virtqueues / Virtqueue Reset}). + +\drivernormative{\paragraph}{Gratuitous Packet Sending}{Device Types / Network Device / Device Operation / Reset Virtqueue} + +The driver MUST NOT reset the control virtqueue. + +\devicenormative{\paragraph}{Gratuitous Packet Sending}{Device Types / Network Device / Device Operation / Reset Virtqueue} + +After automatic receive steering or RSS receive steering has completed the +selection of the queue, if the destination receive queue is in reset state, +the device MUST re-select a different random queue. If all receive queues are in +reset state, the device can drop the packet. + +A virtio-net device MUST support the above requirements in order to support +VIRTIO_F_RING_RESET. + \subsubsection{Control Virtqueue}\label{sec:Device Types / Network Device / Device Operation / Control Virtqueue} The driver uses the control virtqueue (if VIRTIO_NET_F_CTRL_VQ is -- 2.31.0 --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
