
Introduce the hints port attribute that allows passing in backend specific hints mainly to allow backend specific performance tuning. Enable: openstack port create --hint ALIAS=VALUE openstack port set --hint ALIAS=VALUE openstack port unset --hints Required neutron extension: port-hints port-hint-ovs-tx-steering Valid hint aliases and values: ovs-tx-steering=hash ovs-tx-steering=thread The same hints in JSON format, as expected by the Neutron API: {"openvswitch": {"other_config": {"tx-steering": "hash"}}} {"openvswitch": {"other_config": {"tx-steering": "thread"}}} Change-Id: I4c7142909b1e4fb26fc77ad9ba08ec994cc450b2 Depends-On: https://review.opendev.org/c/openstack/neutron/+/873113 Partial-Bug: #1990842 Related-Change (server side): https://review.opendev.org/c/openstack/neutron/+/873113 Related-Change (spec): https://review.opendev.org/c/openstack/neutron-specs/+/862133