[dpdk-dev] [PATCH v1] ethdev: add rte_device to port_id function

[Stephen Hemminger]

On Fri, 17 Apr 2020 18:48:37 +0200
Gaetan Rivet <grive at u256.net> wrote:

> +/**
> + * Find the owned ethdev port id of an `rte_device`.
> + *
> + * @param dev
> + *   An `rte_device`.
> + * @param owner
> + *   An owner id. Use `RTE_ETH_DEV_NO_OWNER` for ownerless ports.
> + *
> + * @return
> + *   The port id of an `rte_device` if it is owned by `owner`.
> + *   `RTE_MAX_ETHPORTS` otherwise.
> + */
> +__rte_experimental
> +uint16_t rte_eth_port_from_dev_owned_by(const struct rte_device *dev,
> +					const uint64_t owner);
> +

Ok, but why introduce API with no users?
Also a device could in theory be owned multiple times by the same owner.
For example if two NIC's from same vendor were used in bonding.