[PATCH] net: we must ignore unrecognized flags

We already used that for DATA_VALID, make sure it's easy to extend even more.  Signed-off-by: Michael S. Tsirkin <> ---  Looks like this chunk was missing in the patch I sent, fixing this up.
content.tex
8 +++++++-  1 file changed, 7 insertions(+), 1 deletion(-)  diff --git a/content.tex b/content.tex index 11015a5..1a15238 100644 --- a/content.tex +++ b/content.tex @@ -3345,6 +3345,9 @@ A driver SHOULD NOT send TCP packets requiring segmentation offload which have t  negotiatedfootnote{This is a common restriction in real, older network cards.}, in  which case it MUST set the VIRTIO_NET_HDR_GSO_ECN bit in field{gso_type}.
+devicenormative{paragraph}{Packet Transmission}{Device Types / Network Device / Device Operation / Packet Transmission} +The device MUST ignore field{flag} bits that it does not recognize. +  paragraph{Packet Transmission Interrupt}label{sec:Device Types / Network Device / Device Operation / Packet Transmission / Packet Transmission Interrupt}
Often a driver will suppress transmission interrupts using the @@ -3451,11 +3454,14 @@ If VIRTIO_NET_F_GUEST_UDP is not negotiated, the device MUST NOT set  If VIRTIO_NET_F_GUEST_TSO6 is not negotiated, the device MUST NOT set  field{gso_type} to VIRTIO_NET_HDR_GSO_TCPV6.
A device SHOULD NOT send TCP packets requiring segmentation offload  which have the Explicit Congestion Notification bit set, unless the  VIRTIO_NET_F_GUEST_ECN feature is negotiated, in which case it MUST set  the VIRTIO_NET_HDR_GSO_ECN bit in field{gso_type}.
+drivernormative{paragraph}{Processing of Packets}{Device Types / Network Device / Device Operation / Processing of Packets} +The driver MUST ignore field{flag} bits that it does not recognize. +  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

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MST