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In the IPU model, a function can host one or more logical network endpoints called vPorts. Each vPort may be associated with either a physical or an internal communication port, and can be RDMA capable. A vPort features a netdev and, if RDMA capable, must have an associated ib_dev. This change introduces a GEN3 auxiliary vPort driver responsible for registering a verbs device for every RDMA-capable vPort. Additionally, the UAPI is updated to prevent the binding of GEN3 devices to older user-space providers. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Link: https://patch.msgid.link/20250827152545.2056-8-tatyana.e.nikolova@intel.com Tested-by: Jacob Moroni <jmoroni@google.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>