Re: [dpdk-dev] [PATCH V4] ethdev: add queue state when retrieve queue information

[Thomas Monjalon <thomas@monjalon.net>]

16/04/2021 10:46, Lijun Ou:
> Currently, upper-layer application could get queue state only
> through pointers such as dev->data->tx_queue_state[queue_id],
> this is not the recommended way to access it. So this patch
> add get queue state when call rte_eth_rx_queue_info_get and
> rte_eth_tx_queue_info_get API.
> 
> Note: After add queue_state field, the 'struct rte_eth_rxq_info' size
> remains 128B, and the 'struct rte_eth_txq_info' size remains 64B, so
> it could be ABI compatible.
[...]
> --- a/doc/guides/rel_notes/release_21_05.rst
> +++ b/doc/guides/rel_notes/release_21_05.rst
> @@ -251,6 +251,12 @@ ABI Changes
>    function was already marked as internal in the API documentation for it,
>    and was not for use by external applications.
>  
> +* Added new field ``queue_state`` to ``rte_eth_rxq_info`` structure
> +  to provide indicated rxq queue state.
> +
> +* Added new field ``queue_state`` to ``rte_eth_txq_info`` structure
> +  to provide indicated txq queue state.

Not sure we should add a note here for additions which
do not break ABI compatibility.
It may be confusing.