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Subject: [PATCH v1 2/2] virtio-net: Clarify the size of the struct virtio_net_hdr for tx
The feature VIRTIO_NET_F_HASH_REPORT only applies to the receive side. However, when VIRTIO_NET_F_HASH_REPORT feature was introduced, it was not clarified that the size of the struct virtio_net_hdr on the packet transmission also uses higher size when VIRTIO_NET_F_HASH_REPORT is negotiated. Explicitly clarify this. Fixes: https://github.com/oasis-tcs/virtio-spec/issues/183 Signed-off-by: Parav Pandit <parav@nvidia.com> --- changelog: v0->v1: - addressed comments from Xuan to rewrite tx normative --- device-types/net/description.tex | 3 +++ 1 file changed, 3 insertions(+) diff --git a/device-types/net/description.tex b/device-types/net/description.tex index a1f40f7..d86beee 100644 --- a/device-types/net/description.tex +++ b/device-types/net/description.tex @@ -528,6 +528,9 @@ \subsubsection{Packet Transmission}\label{sec:Device Types / Network Device / De \drivernormative{\paragraph}{Packet Transmission}{Device Types / Network Device / Device Operation / Packet Transmission} +The driver MUST use the same size of the field \field{struct virtio_net_hdr} +for transmit and receive packet buffers. + The driver MUST set \field{num_buffers} to zero. If VIRTIO_NET_F_CSUM is not negotiated, the driver MUST set -- 2.34.1
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