Changes and New Features

Upstream Kernel 6.8
Internal Ref.	Feature	Description	Support Added in User Space Version	Support Added in Firmware Version

Core Features
3403931	Transitional Virtio-net Support Over vfio	[BlueField3] Introduced a vfio driver over virtio devices to support the legacy interface functionality for the VFs.	N/A	N/A
VDPA Features
3016493	Improve SW Assisted Live Migration Downtime	[ConnectX-6 DX and above] Added a feature that improves the downtime during live migration with qemu and kernel vdpa (mlx5_vdpa). Downtime is the period when traffic cannot work due to queue reconfiguration and migration. It is improved through the following changes: During live migration, allowed re-mapping only of the virtqueue descriptor area instead of the whole VM memory which takes a long time Introduced a virtqueue resume option to avoid virtqueue destruction and re-creation cycle which takes a long time	QEMU	xx.39.1002